Raytheon Pathfinder 1200 Instruction Manual

Distributed by

Any reference to Raytheon or

RTN in this manual should be interpreted as Raymarine.

The names Raytheon and RTN are owned by the

Raytheon Company.

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~AYTHEO~

Mariners Pathfinder

®

Radar

Model 1200

Instruction Manual

RA.\)-\

0'"2.

PURPOSE

THIS MANUAL CONTAINS IMPORTANT INFORMATION OF THE INSTALLATION

OPERATION AND MAINTENANCE OF YOUR EQUIPMENT

RAYTHEON MARINE COMPANY products are supported by a network of Authorized Service

Representatiy.e to you location you may contact the following regional centers:

Western United States

Eastern United States

Europe

Far East

Raytheon Marine Company

20410 Gramercy Place

Torrance, CA 90501

Phone: 800-862-5555

(In CA: 800-842-3333)

Raytheon Marine Company

676 Island Pond Road

Manchester, NH 03103

Phone: 603-668-1600

Rayscan Copenhagen

Siljangade 6 DK2300

Copenhagen S Denmark

Phone: 451-570611

Raytheon Marine Sales & Service Co.

Minato-Ise Building 3-12-1

Kaigandori Naka-ku

Yokohama, Japan 231

Phone: 045-212-3633

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HIGH VOLTAGE WARNING

Do not open any of the units when the radar is ON; high voltages within the Scanner and

Display Unit could be fatal to anyone coming in direct contact with them.

Disconnect ship's power from the Scanner and Display Unit before attempting env maintenance; otherwise, ship's power will be present at terminals inside the Scanner and Display Unit.

RADIATION HAZARD

Care should be taken to avoid possible harmful effects (particularly to the eyes) of radiation from radar transmissions.

To avoid harmful radiation, the Display OPERA TE switch should be turned to the STBY or OFF position when working on the Scanner. Under no circumstances should you look directly into the antenna from a distance of less than 2 feet when the radar is in operation.

CONTENTS

SECTION 1.

GENERAL DESCRiPTION

1.1

INTRODUCTION

1.2

PHYSICAL DESCRiPTION

1.3

SPECIFICATIONS , "

SECTION 2.

OPERATION

2.1

OPERATING CONTROLS

2.2

RANGE AND BEARING MEASUREMENTS

2.3

USING THE CONTROLS

2.4

NAVIGATION WITH THE. RADAR

2.5

FALSE ECHOES

SECTION 3.

MAINTENANCE

3.1

GENERAL

3.2

SCANNER UNIT

3.3

DISPLAY UNIT

SECTION 4.

INSTALLATION

4.1

PLANNING

4.2

INSTALLATION OF SCANNER UNIT

4.3

INSTALLATION OF DISPLAY UNIT

4.4

CHANGE ARRANGEMENT FOR SHIP'S MAINS INPUT

4.5

CABLE INFORMATION

4.6

INITIAL OPERATION AND CHECKOUT

SECTION 5.

ADJUSTMENT AND FAULT FINDING 5-1

5.1

ADJUSTMENT 5-1

5.2

TROUBLE·SHOOTING ........................•........ 5-6

5.3

REPLACEMENT OF MAJOR COMPONENTS 5-14

SECTION 6.

TECHNICAL DESCRIPTION

6.1

BLOCK DIAGRAM DESCRiPTION

6.2

SCANNER UNIT

6.3

DISPLAY UNIT

6-2

6-2

6-9

6-15

4-1

4-1

4-2

4-4

4-5

4-6

4-8

SECTION 7.

PARTS LIST

1-1

1-1

1-2

1-4

2-1

2-1

2-4

2-5

2-6

2-9

3-1

3-1

3-1

3-1

7- 1

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III

112

113

114

Figure

101

102

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105

106

107

108

109

DRAWINGS

Title

GENERAL SYSTEM OF 1200 RADAR

OUTLINE DRAWING OF M89362 SCANNER UNIT

OUTLINE DRAWING OF M89361 DISPLAY UNIT

BLOCK DIAGRAM OF 1200 RADAR

INTERCONNECTIONS OF 1200 RADAR

POWER SUPPLY DIAGRAM OF 1200 RADAR

CIRCUIT DRAWING OF M89362 SCANNER UNIT

INTERNAL CONNECTION OF M89361 DISPLAY UNIT

CIRCUIT DRAWING OF MAIN CONTROL PCB BUILT-IN

DISPLA Y UNIT

CIRCUIT DRAWING OF CONTROL PANEL PCB BUILT-IN

DISPLAY UNIT

CIRCUIT DRAWING OF DISPLAY ASSEMBLY BUILT-IN

DISPLAY UNIT

CIRCUIT DRAWING OF POWER SUPPLY PCB BUILT-IN

DISPLA Y UNIT

ASSEMBLY DRAWING OF M89362 SCANNER UNIT

ASSEMBLY DRAWING OF M89361 DISPLAY UNIT

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SECTION 1

GENERAL DESCRIPTION

1.1 INTRODUCTION

Congratulations on selecting the Raytheon Model 1200 Mariners Pathfinder Radar for your radar navigation needs.

Whether you purchased this radar because of its compactness or power economy, ease of installation, or long term reliability, one thing is certain; the moment you turn on your 1200 you'll know you're seeing a revolutionary new concept in radar technology at work.

Radar signals are "stored" on a 9-inch diagonal TV-type picture with chart like clarity and detail. A single glance at your Model 1200 Display will give you a complete and accurate 360 0 radar picture of other vessels, bouys and land fall surrounding your vessel.

A unique feature even allows you to "freeze" the picture for high accuracy bearing and range measurements.

With "one touch" range selection, recessable controls, and "Interference Rejection",

(a feature found only on bigger-radar systems) it should become apparent that human engineering and operational simplicity have been considered foremost in the 1200's design.

We trust that you will enjoy many years of excellent performance, reliability, and smooth sailing with your new 1200 Radar.

1-1

1.2 PHYSICAL DESCRIPTION

1.2.1 Scanner Unit

The antenna and transceiver are combined within the 24Yz inch radome which is made of AES plastic and has a single-flange mounting. A small, flexible cable connects the Scanner Unit to the Display Unit. The radome cover is secured to the scanner pan base by four clamping bolts and provided with a rubber gasket to seal the unit from the weather and salt spray.

1.2.2 Display Unit

The Display Unit is enclosed in a drip-proof case and can be easily mounted on top ?f

a chart table, installed against a bulkhead, or hung from the overhead. All controls for operating the 1200 Radar are located on the front panel and positioned to easy adjustment during day or night use. A bearing scale is illuminated around the screen, and is used to determined the relative bearing to a target.

The compact transistor inverter, housed within the Display Unit, converts the ship's mains supply (12, 24, or 32 Vdc) to the power supply voltages required by the radar system.

1·2

SCANNER UNIT

DISPLA Y UNIT

1-3

1-4

1.3 SPECI FICATIONS

1.3.1 General

I) Maximum range:

2) Minimurn range:

3) Range Scales:

4) Range discrimination:

5) Range ring accuracy:

6) Bearing accuracy:

7) Cathode-ray tube:

8) Environmental conditions:

Scanner Unit:

Display Unit:

9) Power Consumption:

DC 12V:

DC 24V:

DC 32V:

10) Ship's mains voltage variation

DC 12V:

DC 24V:

DC 32V:

1.3.2 Scanner Unit

I) Dimensions:

2) Weight

3) Polarization:

4) Beam width:

5) Sidelobes:

6) Rotation:

7) Drive motor input voltage:

8) Transmitter frequency:

12 nautical miles.

Better than 32 m on 0.25 n.m.

Range

0.25 nm

0.5 nm

I nm

2 nm

4nm

8nm

12nm

Range ring interval

0.125 nm

0.25 nm

0.25 nm

0.5 nm

Inm

2nm

3nm

Number of rings

2

2

4

4

4

4

4

Better than 22 m.

Better than ± 2.5

% of maximum range of the scale in use, or 22 m, whichever is the greater.

Better than ± I degree.

9 in. tube.

Effective diameter 130 mm

Temperature -15°C to +50°C

(under nominal input voltage)

Humidity Up to 95 % at 35°C

Wind velocity Up to 50

Temperature mls as relative

-lOoC to +50°C

Humidity Up to 95 % at 35°C

4.5A

2.3A

1.8A

IIV-16V

22V - 32V

28V - 42V

Diameter of radome 620mm

Height 345 mm

Approx.

9.5 kg

Horizontal

Horizontal 5°

25° Vertical

Better than -21 dB

Approx. 27 RPM

DC 12V

9445 ± 30 MHz

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9)

10)

11)

Peak power output:

Transmitter tube:

Pulse length/Pulse repetition frequency:

12)

13)

14)

15)

16)

Modulator:

Dup1exer:

-,

Local oscillator:

Mixer:

17) IF amplifier:

18) Overall noise figure:

1.3.3 DISPLAY UNIT

1) Dimensions:

3 kw

Magnetron (M1315)

0.l2lls/920

0.5 Ils/920

Hz (0.25, 0.5, 1, 2 nm)

Hz (4, 8, 12 nm)

Solidstate modulator driving magnetron

Circulator

Diode Limiter

Gunn Oscillator

Balanced mixer (with IN23E and 1N23ER crystal diodes)

Center frequency 38 MHz

Bandwidth

Better than 10 dB

6 MHz

2) Mounting:

3) Weight:

4) Cathode-ray tube:

5) Range scales:

6) Range rings:

7) Bearing synchronizing system:

8) Tuning:

9) Bearing scale:

10) Ship's heading marker:

11) Controls:

Width

Depth

Height

310 mm

380 mm

263 mm

Table, overhead or bulkhead mounting

Approx. 7.5 kg

C935 P31 (Green)

0.25,0.5,1,2,4,8,12 nautical miles

0.125,0.25,0.25,0.5, 1,2,3 nautical miles

Motor Encoder

Manual

360

0 scale graduated at intervals of 1 0

Electrical

OPERATE (OFF-STBY-ON)

TUNE

SEA-CLUTTER

GAIN

HOLD (SW)

RAIN CLUTTER (SW)

SHM, MARKERS (SW)

IR (SW)

BRIL (SW)

RANGE (0.25, 0.5, 1, 2, 4, 8, 12)

1.3.4 Inter-Unit Cable Length

Scanner-Display

Type of Cable

H-2695 I 10006

Standard Length Maximum Length

10 m 20m

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SECTION 2

OPERATION

2.1

OPERATING CONTROLS

Generally the operation of the 1200 is easy and straight forward. However, the navigator who knows the layout and understands the functions of the various controls will obtain the best performance from his equipment.

.

2.1.1 Layout of the Controls

Layout of the controls is shown in Figure 2-1.

RAIN CLUTTER SW

SHM/MARKERS SW

INTERFERENCE

REJECTER SW

CRT BRILLIANCE SW

READY LIGHT

OPERATE SW

(OFF-STBY -ONI

RANGE SW

TUNE control SEA CLUTTER control

FIG.

2-1 OPERA TlNG CONTROLS

HOLD SW

2.1.2 Function of the Controls

1) OPERATE (OFF-STBY-ON)

In OFF position there is no power supplied to the Scanner Unit and Display Unit.

In STBY position, power is supplied to the Scanner Unit and Display Unit, but radio waves are not being transmitted.

Approximately 90 seconds after switching to STBY, the READY light will glow, meaning the radar is available for operation.

2-1

In ON position, (with the READY light glowing) the system is transmitting, and any echoes from targets received are amplified and displayed on your screen.

2) RANGE

The seven RANGE switches select the scale which you wish the radar to display.

The range selected automatically determines the proper number and calibrated distance between the range rings and the proper transmission pulse length as shown in Table 2-1.

TABLE 2-1 RELATION OF RANGE, RINGS AND PULSE LENGTH

Range

(nm)

0.25

0.5

I I

2

4

8

12

Range Rings Interval

(nml

0.125

0.25

0.25

0.5

I

2

3

Number of Rings

4

4

4

4

2

2

4

Pulse Length

(~s)

0.12

0.12

0.12

0.12

0.5

0.5

0.5

2-2

3)

4)

5)

6)

TUNE

The TUNE control allows you to maximize target echoes by "fine" tuning of the local oscillator which is located in the Scanner Unit.

GAIN

The GAIN control varies the amplification in the receiver, and thus the strength of echoes as they will appear on the screen.

SEA CLUTTER

The SEA CLUTTER control reduces the gain level at short range only.

RAIN CLUTTER

The primary use of RAIN CLUTTER is to break up the returns from rain or snow thus allowing weaker targets to become visible.

7) SHM MARKERS (SHM, MARKERS - SHM - MARKERS - OFF)

8)

The SHM MARKERS switch is a four position switch which selects the SHM, markers, both or none for the display.

CRT BRIL

9)

The CRT BRI LLiANCE controls 4 levels of the screen brightness.

IR

The IR switch turns the interference rejecter "on" to eliminate interference from other ship radars.

10) HOLD

The HOLD switch is used to temporarily "freeze" the picture on the screen to assist the operator in determining bearing and ranges. Pushing the HOLD switch stops the transmission of RF power releasing the switch restores normal operation.

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2.1.3

Operating Procedure

TO SWITCH ON

To switch on the radar, proceed as follows:

1) Set the OPERATE switch to STBY.

2) After READY light glows (approximately 90 seconds), set the OPERATE switch to

ON.

3) Set the CRT BRI LLiANCE switch so as to obtain desired brightness of the screen.

4) Set''range scale to the 4, 8 or 12 mile range.

5) Assure that RAIN CLUTTER, the IR switch, and SEA CLUTTER are OFF.

6) Adjust GAIN control to produce a light background speckle screen.

7) Adjust TUNING control for maximum echoes on the screen.

If there is no target available (that is, in the open sea) adjust TUNING for the maximum strength of sea clutter.

8) Push RANGE switch of the scale you wish to cover.

9) RAIN CLUTTER if necessary, STC as necessary.

10) If necessary, press IR to reduce radar interference. When the radar is no longer required, set the OPERATE switch to OFF. If you want to keep the radar in a state of immediate readiness, the OPERATE switch should be set to STBY position.

2-3

2-4

2.2

RANGE AND BEARING MEASUREMENTS (See Figure 2-2)

The picture on the screen shows a plan view of the position of targets around your vessel. In effect your ship is at the center of the screen and targets are presented in polar coordinates (or map-like) throughout 360 degrees. The display is referred to as the PPI

(Plan Position Indicator).

2.2.1 Range Measurement

To measure a target's range proceed as follows:

I) Note the range scale in use and the distance between rings.

2) Count the number of rings between the center of the screen and the target, and visually estimate the distance between the inner edge of the target and inner edge of the nearest ring.

2.2.2 Bearing Measurement

Using bearing scale engraved on the screen filter, read the bearing where the radial line passes through the center of the target. The reading you obtain will show the targets relative bearing in degrees.

SHIP's HEADING MARKER

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28

RANGE RINGS

27~H----+-----l---+---o---*--+----t---+~

26

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TARGET

FIG.

2-2 RANGE AND BEARING MEASUREMENTS

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2.3

USING THE CONTROLS

2.3.1 TUNE Control

The magnetron and the Gunn oscillator may take about 10 minutes to completely stabilize on frequency. So after switching on and tuning initially, the tuning should be rechecked after the first 10 minutes.

Symptoms that the equipment may be out of tune are a lack of distant echoes or the appearance of double echoes (one echo behind another). The coarse method of tuning is described in Section 5. Normally it is possible to fine tune the radar by selecting a comparatively weak echo and then rotating the TUNE control until the strongest echo and best definition are combined.

2.3.2 GAIN Control

The correct setting of the GAIN control is for light background speckle to be just visible on the screen. The equipment is then in its most sensitive condition. Objects will be detected at the greatest possible range. With too little gain, weak targets may be missed and there can be a decrease in detection range. With excessive gain (a few) extra targets may be brought in, but the contrast between echoes and background noise will be substantially reduced, making target observation more difficult.

In crowded regions gain might be temporarily reduced to clarify the picture. This must be done with care since important marks may be missed. With gain at its normal setting, clutter from rain or snow may obscure the echo from a ship inside a squall or storm. A temporary reduction in gain will usually permit the stronger and more distinct ship's echo to be distinguished.

Detection of targets beyond the storm may, however, require slightly higher gain than normal, since the clutter may have attenuated, but not completely obscured, echoes from the targets. The GAIN control should be always returned to its normal position as soon as any temporary alteration is no longer required.

2.3.3 SEA CLUTTER Control

Whereas the GAIN control affects the strength of echoes at all ranges, the effect of

SEA CLUTTER control is greatest on short-range echoes, becoming progressively less as range increases.

The SEA CLUTTER control is only effective up to a maximum of about three miles.

In particular, the SEA CLUTTER control reduces the strength of the mass of random signals received from waves at short range.

The setting used should be sufficient to reduce the strength of signals until clutter appears only as small dots, and until small targets can be distinguished, the setting should never be advanced so far as to blank out all clutter.

The sensitivity of the SEA CLUTTER control is fully variable, thus enabling an optimum picture to be obtained under adverse weather conditions.

Maximum reduction in the strength of close-range echoes takes place when the control is turned fully clockwise.

When it is turned counterclockwise there is no reduction in the strength of echoes.

The SEA CLUTTER control may be used to reduce some rain or snow clutter, as well as strong sea clutter, in the immediate vicinity of the vessel. A temporary increase in the setting will usually permit strong echoes from ships, and most navigational marks inside storms or squalls, to be distinguished.

At close range in crowded regions the control may be temporarily advanced to clear the picture.

This should be done with care, so as to avoid missing important echoes.

2-5

The SEA CLUTTER control should be always returned to its optimum position after any temporary alteration.

2.3.4

RAIN CLUTTER Switch

During heavy rain or snow which may clutter the picture, use RAIN CLUTTER to give better contrast between echoes and the clutter.

Under some conditions of sea return, both RAIN CLUTTER and SEA CLUTTER will help to clarify the picture. When viewing large masses of land, coastlines, etc.

RAIN CLUTTER reduces the background and will cause promontories to stand out more clearly.

2.3.5

IR Switch

When another ship radar is using the same frequency band as that of your own interference typically appears arranged in curved spokes as shown in Figure 2-3. The radar interference is mainly noticeable on longer range scales.

Using the IR switch will eliminate this form of interference as well as any other form of a synchronous noise.

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.............

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FIG. 2-3 RADAR INTERFERENCE

2-6

2.4

NAVIGATION WITH THE RADAR

2.4.1 Obtaining a Position Fix

The Model 1200 Radar is an accurate and reliable navigational aid for determining your ship's position. Figure 2-4 shows examples of alternative methods of using radar sitings from prominent navigational points which can be identified on a chart. A position fix based on two or more navigational points will furnish a more accurate fix, especially when the points approach 90 degrees apart from your ship's position.

2.4.2 Avoiding Collision

The moment a target appears on the screen, its range and relative bearing should be noted. This is best done on a plotting sheet or chart.

As in visual observation, "a constant bearing indicates a collision course".

As soon as a series of plots indicates a closing range and no significant change in successive bearings, positive action should be considered mandatory and "The Regulations for Preventing Collisions at Sea" should be observed.

2.4.3 Determining Your Radar Line-of-Sight Range

When searching for distant targets, your radar line-of-sight range to the target can be a limiting factor.

Radar waves behave like light waves but they are refracted slightly more, increasing the distance to the radar horizon slightly more than that to the optical horizon

(however, displayed range is correct).

As Figure 2-5 shows, the radar line-of-sight range is a combination of the radar horizon of your ship's radar scanner and the radar horizon of the target.

The distance to the radar horizon from radar scanner of height "h " meters, under standard conditions, may be calculated from the formula

Distance (nrn)

= 2.23

v'i1

For example, a scanner at a height of 5 meters has a radar horizon of 5 nm.

A 5 meters cliff has a radar horizon of 5 nm. Therefore, under standard conditions, the cliff should begin to appear on the screen when ship closes nearer than 5 + 5 = 10 nm.

2-7

2-8

A.

THREE RANGE ARCS

PLOTTED ON CHART

B.

ONE RANGE ARC AND ONE

BEARING PLOTTED ON CHART

C.

TWO BEARINGS PLOTTED

ON CHART

D.

RADAR SCREEN POSITION

FIG. 2.4

POSIT/ON FIX METHODS

al

.,.

EARTH al = 2.23~ a-z = 2.23...;t;; al + G.2

= 2.23

(..jh;

+ v'h;

I a-z al. a-z: in nautical miles hi. h-z : in meters

100

75

50

25 20

30

10

5

20

10

10 - - - - - - - -

- - - 0

-'----------------....1-0--------------"'-0-----

+ G.2

(nrn) al hi [rn]

FIG.

2-5 RADAR HORIZON

2-9

2.5

FALSE ECHOES

Occasionally, signals appear on the screen at positions where there is no target. They are false echoes.

The following are known as most common false echoes.

2.5.1 Side Echoes

Some radiation escapes on each side of the main beam in side lobes. If they are reflected by a target, they will be displayed on the screen as an echo. (See Figure 2-6)

These echoes appear as arcs form echoes at each side of the true echo. Sometimes joined together if the side echoes are strong.

SIDE ECHOES

TRUE ECHO

FIG.

2-6 SIDE ECHOES

2.5.2 Indirect Echoes

As shown in Figure 2-7, indirect echoes may appear if there is a large target, such as a passing ship, at a short range or a reflecting surface, such as a funnel, on your own ship.

The signal, on first striking the smooth side of the large target, will be deflected. Then it encounters a second target, the echo will return along the same paths to the scanner.

Thus, the echo from the second target will appear beyond that of the large target but on the same bearing. The indirect echoes will also appear when the signal will be deflected by the reflecting surface.

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2-10

TRUE ECHO

PASSING SHIP

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FIG.

2-7 INDIRECT ECHOES

2.5.3 Multiple Echoes

The multiple echoes may appear if there is a large target having a wide vertical surface parallel to your own ship at comparatively short ranges. The signal will be reflected by the wide vertical surface, then the reflected signal strikes your own ship, and it will return along the same paths to the target. This will be repeated.

Thus, the multiple echoes will appear beyond the true target's echo on the same bearing as shown in Figure 2-8.

TRUE ECHO

MULTIPLE ECHOES

FIG.

2-8 MUL TlPLE ECHOES

2·11

2.5.4

Ghost Echoes

The ghost echoes may appear if there is a target having a wide smooth surface near your own ship. As shown in Figure 2-9, the appearance of the ghost echoes is similar to that of the indirect echoes.

The ghost echoes appear on the screen as if you saw the target reflected in a mirror.

GHOST

ECHOES

TRUE ECHOES

FIG. 2-9 GHOST ECHOES

2-12

2.5.5 Shadows

Although the scanner unit should be ideally placed where there is a good all-around view, as far away as possible from any part of the ship's superstructure or rigging to refrect the beam, there may be some obstructions. An obstruction will throw either a complete or partial shadow as shown in Figure 2-10.

If there are targets in such shadow sector, target's echoes may not be displayed on the screen. Thus, it is important to know the bearings and width of all shadow sectors, and it can be checked by turning the SEA CLUTTER control to zero when light rain clutter covers much of the screen and the sea is calm.

Any shadow will then be shown dark sectors in the clutter.

o

SCANNER

PARTIAL

SHADOW

.....

- + - - - - , l - - 1

PARTIAL

SHADOW

BLIND SECTOR

FIG. 2-10 SHADOWS

2-13

SECTION 3

MAINTENANCE

3.1 GENERAL

Continuing satisfactory operation of the radar can depend on how well you care for your equipment. The simple maintenance tips that follow can save you time, and money and help avoid premature equipment failure.

CAUTION

When working on the radar, make sure that the main switch which supplies power to the radar is open. As an additional precaution, keep the IOPERATE

I switch on the

Display Unit in the OFF position.

I) Keep the equipment as clean as possible. Use a soft cloth to remove dirt, dust, waterspray as it appears.

2) Periodic inspection of the radar systems should include the following: a.

Check all hardware for tightness.

b.

Check for evidence of any corrosion of the scanner, display or cables and clean as required.

c.

Check cables and terminal connections for cleanliness, tightness, and freedom from chafing or abrasions.

3·1

3.2

SCANNER UNIT radar.

Set the safety switch (S I0 I) of the Scanner Unit to OFF before working on the

3.2.1 Radome

Wipe the surface of the Radome with a clean, soft cloth. Check that there is no paint, dirt or caked salt. A heavy deposit of dirt or caked salt on a painted surface of upper Radome will cause a considerable drop in the radar performance.

Don't use any chemical cleaners except alcohol.

3.2.2 Lubrication

Locate main drive gear, clean away old lubrication residue and dirt. Using a spatula, apply a light coating of grease (MOBILUX Grease No.2 Mobil Oil Company or equivalent) on the gear of the main shaft and the drive motor.

Lubrication should be done every six months.

GEAR of MAIN SHAFT

,GEAR of DRIVE MOTOR

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3.2.3 Mounting

Check the mounting bolts of the Scanner Unit and tighten if necessary.

3-2

3.3

DISPLAY UNIT

3.3.1 Cleaning the Screen

The face of screen filter and cathode-ray tube will, in time, accumulate a film of contaminants which tends to dim the picture.

Be sure ]OPERATE

I switch is OFF. Remove the front panel. Removing Front

Panel Procedure: Remove 4 screws retaining top and bottom covers. Remove 4 screws securing front panel to display. Lay Front Panel forward gently for clearing of CRT face.

3.3.2

High

Volt~ge

Circuit

Clean the printed CRT display circuit board components and CRT anode with a dry, soft cloth or a clean, soft brush. A coating of dust can cause voltage breakdown, in the circuit and malfunction of the radar.

REMOVE 4 SCREWS

RETAINING TOP

AND BOTTOM COVER

4 SCREWS

4 SCREWS

REMOVE 4 SCREWS

SECURING THE

FRONT PANEL

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SECTION 4

INSTALLATION

".

4.1 PLANNING

The layout for installing the 1200 Radar should be planned to give the best operation and 'service aboard your particular ship.

In general, the Scanner Unit should be mounted atop the wheelhouse or bridge as high as possible. The Display Unit should be installed in the wheelhouse at a convenient viewing position.

A 10 meter length of Vinyl-covered, shielded, 11 conductor cable is furnished for interconnecting the two main units (Scanner and Display).

This length of cable should be sufficient to fabricate the cable runs required on most small ships: additional cable may be ordered from RAYTHEON. The maximum length cable from the Scanner Unit to the Display Unit should not exceed 20 meters.

Figure 101 shows the General System drawing for the 1200 Radar.

4·1

4-2

·r

4.2

INSTALLATION OF SCANNER UNIT

4.2.1 Selecting the location

Selecting an adequate location for the Scanner Unit requires careful consideration.

On many small ships, the unit can be installed directly on the top deck of the wheelhouse near the ship's centerline. The unit should be mounted as high as possible on the ship to ensure best performance at the maximum range.

(Refer to para 2.4.3)

The scanning beam should not be obstructed by nearby large objects. Locate the unit where large structures such as superstructures or serchlights, or horns, masts are not in the same horizontal plane, otherwise, blind areas and false targets can appear on the radar screen. Installation near the top of a stack must be avoided as damage could result due to excessive heat and the corrosive effects of stack gases.

4.2.2 Mounting the Scanner Unit

Using the outline drawing of Figure 102 as a guide, install the Scanner Unit and secure to the mounting surface. The mounting surface for the Scanner Unit should be parallel with the ship's waterline, and the unit must be turned with the cable inlet astern (safety switch aft).

If mounting directly to a top deck does not given sufficient height or clearance, a radar mast or pedestal may be used to raise the unit.

4.2.3 Connecting the Cable

The cable entrance is provided in the base of the Scanner Unit.

If the unit is mounted on a hollow mast, the cable may be run inside the mast and through the center entrance hole.

Connect the cable leads onto terminal board TB 101 as shown in below.

Terminal lugs are provided in the Scanner Unit.

Fig. 4-1 details the connecting procedure for the Scanner Unit.

I

TO GROUND

1.

2.

3.

LOOSEN FOUR CLAMPING

BOLTS

CLAMPING BOLTS (4)

REMOVE THE RADOME

FROM THE BASE and

INSERT THE CONNECTING

CABLE IN THE CABLE

INLET.

ADD THE RUBBER GROMMET, and SECURE THE CLAMPING

PLATE.

CONNECT THE CABLE

LEADS WITH TERMINAL

BOARDS TB101.

GROUND THE SHIELD

WITH THE LUG

PROVIDED.

Fig.4-1 CONNECTING PROCEDURE FOR SCANNER UNIT

4-3

4.3

INSTALLATION OF DISPLAY UNIT

4.3.1 Selecting the Location

Ideally, the Display Unit should be located in the wheelhouse so the radar screen can be viewed when looking forward from the wheel. The Display Unit can be mounted on top of the chart table hung from the overhead, or installed against the bulkhead.

To minimize interference the location chosen should be at least 1 meter away from the ships compass and Loran C receiver.

4.3.2 Mounting the DIsplay Unit

Using the outline drawing of Figure 103 as a guide, install the Display Unit and secure to the mounting surface. Note that the yoke of the Display Unit can be attached above or below the unit.

4.3.3 DC Power Connector

A three pin connector is furnished for connecting the 13.6 Vdc power to the radar.

The power cable from the 13.6 volt power source to the radar should be number 14 stranded wire for a run of less than 10 feet. Longer cable runs require an even larger wire size to minimize the voltage drop (Table 4-1). Connections should be made directly to the battery. Check that all connections are clean and bright. The (+) battery wire must be connected to pin 1 of the connector and the ( -) battery wire to pin 3 of the connector.

Pin 2 should be connected to the ships RF ground system. Should the power connections be inadvertently reversed, protective fuse F 1 (7A), located on the rear panel, will blow.

Recheck the input power leads for correct polarity with a YOM, reconnect the leads observing correct polarity and replace the fuse.

3 (-I

LARGE

KEY 2 (!l

12 VOLTS

INPUT

VOLTAGE

AWG WIRE SIZE

10' 20' 30' 40'

POWER CABLE LENGTH

TABLE 4-1 POWER CABLE SIZE VERSUS LENGTH

4-4

Note: If a longer cable run for power is required, it may be more convenien: to bring a power distribu- tion point to the proximity of the radar display using proper sized cable in order to use manageable conductor sizes at the plug.

4.3.4 Connecting the Cables

Connect the cables to the J501 and J502.

FIG. 4-2 details the connecting procedure for the Display Unit.

~

•••..• !...

•.

~··i

:1

J

~:

I

J501

J502

FIG.

4-2 DISPLA Y REAR PANEL

4-5

4.4 CHANGE OF SHIP'S MAINS INPUT TO 24 OR 32 V

4.4.1 Scanner Unit

No change.

4.4.2 Display Unit

1) Display Unit factory wired for 12 V dc.

To change the ship's mains input from 12 V de to 24, 32 V de, make the link changes as follows.

-',

A.

Change plug PSGI to 12

B.

Move link B to 24V

C.

Move link C (UP) to 24 V

D.

Remove link D

E.

Remove link E

2) Change fuse from 7A to 3A.

®

CONNECT P501 FROM J1 to J2

D

I

, j l ! -

12\11 t;======::j

IG J2 o i

24V c :

======::j

Cl9

<'

C

4-6

FIG. 4-3 CHANGE ARRANGEMENT FOR SHIP'S MAINS INPUT

~ r

I r

4.5

CABLE INFORMATION

4.5.1 Composite Cable Type H-2695110006

This cable is vinyl-covered, shielded, 11 conductor cable connecting the Scanner Unit with the Display Unit. Specification of this cable is as follows:

VINYL-COVER

SHIELD

Conductor

(No.)

1

2

3

4

5

6

7

8

9

10

11

Cross Section Conductor

(mrn? ) Type

0.5

0.3

19/0.18

12/0.18

0.3

0.3

1.25

1.25

12/0.18

12/0.18

50/0.18

50/0.18

1.25

0.3

0.3

0.3

0.3

50/0.18

12/0.18

12/0.18

12/0.18

12/0.18

Color

Black

White

Red

Black

White

Red

Green

Yellow

Brown

Blue

Remarks

Coaxial

Shielded

"

"

250 V

250 V

250 V

600 V

250 V

250 V

250 V

TABLE 4-2 SPECIFICA TlON OF COMPOSITE CABLE TYPE H-2695110006

4·7

4.6

INITIAL OPERATION AND CHECKOUT

4.6.1

Inspection After the Installation

After completing the installation, it is necessary to assure that all the steps of the installation were accomplished in accordance with the instructions.

In particular, inspect to insure that the cables are not crimped or damaged and an input voltage connected accurately; voltage linking is correct; the securing bolts of each equipment are tightened; a water leak has not occurred in the Scanner Unit, and that the connection of the cable shield is made properly to RF ground.

~.6.2

Operational Check

Apply power to radar and switch to standby (STBY). In approximately 90 seconds the READY light should glow.

Switch radar to ON and observe presence of a sweep line which originates from the center of the CRT and extends to the edge. Switch on the range markers and while pushing the range selector through each range scale, observe that the sweep is the correct length and has the proper number of range rings. Observe that the range markers are focused properly.

Rotate GAIN control and observe the presence of targets and noise. Rotate SEA

CLUTTER control on 1/2 mile scale and note the reduction of close in gain and targets.

After approximately 10 minutes of operation, rotate the TUNE control and observe that maximum target returns occur at the center of the TUNE range.

If readjustment of the display or T/R is required, refer to paragraph" 5.1.1 and 5.1. 2.

4.6.3

Relative Bearing Alignment

This alignment must be carried out by the engineer when installation is complete.

When the ship is underway, proceed as follows:

(I) Identify a suitable target (e.g., ship or buoy etc.) preferably between 1.5 and 3 nm in range on the screen.

READ switch for SHM i

!

I

!

i

I

I i i i

I

4-8

Fig.4-5 RELA TlVE BEARING ALIGNMENT

SCREW

(2) Head the vessel to the target.

(3) Establish the bearing of the target on the screen.

(4) Compare the bearing measured in step (2) and (3) above and calculate the direction and magnitude of the bearing error.

(5) Loosen the screws which secures the SHM unit in the Scanner (See Figure 4-5).

(6) Rotate SHM unit clockwise or counterclockwise until the bearing of the target on the screen is the same as the bearing of step (2).

(7) Tighten the screws, checking that the scale reading does not alter.

5.1.2

0 nm (Zero nm) ADJUSTMENT (See Fig. 5-3)

Set the RANGE at 0.25 nm and observe a target at a known real (nearest) distance.

Adjust RV3 so that the target real distance will be coincident with the displayed distance on the screen.

4-9

l

!

!

!

I

I i

I

[ r

I

SECTION 5

ADJUSTMENT AND FAULT FINDING

5.1

ADJUSTMENT

5.1.1 Adjustment for Replacing Components

'-'.

Although the radar is delivered adjusted for optimum performance, it may be necessary to make adjustments after a major component has been replaced or if a fault is suspected during operation.

REPLACEMENT ITEM

Magnetron V201

Gunn Oscillator A301

Cathode-ray tube V401

Display PCB

SHM Unit Sl02

NOTE

ADJUSTMENT REQUIRED

Gunn Oscillator tuning

Gunn Oscillator tuning

Adjusting centering magnet

Adjusting intensity

Adjusting focus

Bearing Alignment

(See para. 4.6.3)

See Sect.

(1)

(1)

(2)

(3)

(4)

#

5-1

5-2

1) Gunn Oscillator tuning (See Fig.

5-1)

Method A - For two men working at the scanner position and the other at the display position. They can communicate with one another directly or by telephone, etc.

a.

About 10 minutes after operating the radar, set

I

RANGEl between 0.5 and

3 nm.

b.

Rotate the c.

Set the

I

TUNE

I control of the Display Unit to midposition.

I

SAFETY

I switch Sl 01 of the Scanner Unit to OFF.

d.

Remove the Radome from the pedestal of the Scanner Unit.

e.

Turn antenna array manually until it encounters some solid land echoes.

f.

Set the

I

GAIN

I control so that noise on the sweep trace is discernible.

g.

Adjust the mechanical tuning knob of the Gunn Oscillator (A30l) so as to maximise the echoes on the screen.

Method B - For one man at the scanner position only.

a.

Carry out instructions for steps a. through f. of method A, except that the

I

RANGE

I selector setting can be at any range between 8 and 12 nm.

b.

Connect the Circuit Tester on 5 to 10 voltdc range to TB 101-32 with the negative lead to chassis.

c.

Adjust Gunn Oscillator mechanical tuning for a peak reading on the meter.

Note: The Circuit Tester for tuning above mentioned is required its internal resistance more than lOkD./V.

There may be more than one peak reading. The proper peak is the first peak observed when turning the AD] Screw CW from full CWo

LOCK NUT

MECHANICAL KNOB

I

I

I

I

ADJUSTING THE MECHANICAL

KNOB WITH TUNING METER

Fig. 5-1 GUNN OSCILLA TOR TUNING

2) Beam centering adjustment on the CRT (See Fig. 5-2) a.

Remove the cover from the Display Unit b.

Loosen the locking screw on centering magnet and rotate the two knobs simultaneously or individually so that the beam center coincides with the center of cursor line.

c.

After adjustment, tighten the locking screw of centering magnet.

Note: A parmanent magnet, is mounted behind the deflection coil and consists of two doughnut shaped plates.

3) Intensity adjustment a.

Remove the cover from the Display Unit.

b.

l

CRT BRIL

I

push highest position.

c.

Adjust RV4 (INTENSITY ADJ) so that PPI is suitable brightness.

4) Focus adjustment a.

Remove the cover from the Display Unit.

b.

Adjust VR203 (Display Sub PCB) so that the sweep line, rings and targets on the screen are as small and clear as possible.

5·3

54

5) Comparator level Adjustment a.

Remove the cover from the Display Unit.

b.

Rotate the GAIN control fully clockwise.

c.

Adjust RV2 (PC40 1) until some back ground speckle is present on the screen.

6) Display Assembly adjustment

6-1) H-Hold a) Disconnect the signal connector (for VSY, HSY and VD).

b) Loose couple frequency counter to L571(D.Y)-1.

c) Adjust VR501 so that frequency is 15.625 kHz.

d) Connect the signal connector.

6-2) V-Hold

Adjust VR401 so that vertical screen is kept in sync ..

6-3) H-Width

\ a) Set RANGE switch at 12 nm.

b) Adjust L502 so that the fourth marker is 1/16" from the CRT edge.

6-4) V-HEIGHT and V-LIN a) Set RANGE switch at 12 nm.

b) Adjust VR402 and VR403 so that the marker is round.

6-5) CRT BIAS a) Rotate VR201 (contrast) fully counterclockwise.

b) Adjust VR502 so that the raster on the screen is dimly seen.

Caution: VR502 carefully to avoid CRT damage.

c) Rotate VR201 ADJ clockwise for best contrast.

7) Panel dimmer Adjustment

Adjust RV401 so that the switch panel is suitable brightness.

1

,

\

\

\ v'~ Sci

H-HOLD ADJ v~

V-LIN ADJ

4e.3

v\'\

;""'"2-

CRT BIAS ADJ

H-WIDTH ADJ

V-HEIGHT

AD~01..

V-HOLD ADJ i"~

FOCUS ADJ

1-.0""3-

TWO CENTERING KNOBS

FIG. 5-2 BEAM CENTERING AND DISPLA Y ADJUSTMENT

AVR ADJ

\1v

I

INTENSITY ADJ

COMPARATOR

LEVEL ADJ o nm ADJ

SAMPLING

CLOCK f.

ADJ

PANEL DIMMER ADJ

FIG. 5-3 DISPLA Y UNIT ADJUSTMENT

5-5

Name of

Parts

Diode

Diode

Lamp

Type

IN23E

IN23ER

Fuse

.,~

Glass tube 7A

Glass tube 3A

TABLE 5.1 SPARE PARTS

The number of articles

1

1

2

2

2

Description Supplier

CD301 Receiver unit

CD302 Receiver unit

PL401 Display unit Arrow

PL402

F40l Display unit Toyo fuse

F40l Display unit Toyo fuse

Code No.

STXAJOOOO9

STXAJOOO1O

STWAABOO232

SZFADOOO19

SZFADOOO16

TABLE 5.2

OPERA nON CHECK LIST

Unit to be checked

Scanner Unit a. Tune

Check item b. Mag. current a. Input voltage

Correct condition

Maximum indication

12 V

Refer to Note

17V b. AVR output voltage

Display Unit c. Observation of screen sensitivity, sweep length, sweep linearity, sweep center, ring and illumination.

d. Check of the operating controls

/

.i->

Note: Allowable variation of input voltage.

de 12V: de 24 V: de 32V: nv

>-

16V

22V ~ 32V

28V 42V

Remarks

S ~ lOVdc range of the tester

Measuring point

TB10l

32

TBlOl

MO

FSOI ~ 2A

(peS01) lG~2A

(PC50l)

N/A

TABLE 5.3

FUSES USED

Location

Display unit

Part No.

F40l

F401

Rating current

7A

3A

Protective cet.

All cct

All cct

Type

Glass tube 7A

Glass tube 3A

Remarks de 12V dc 24V, 32V

5-7

TABLE 5.4

TROUBLE SHOOTING GUIDE

Trouble Remedy

5-8

1.

Does not start at

OPERA TE switch to STBY.

"

Check: o Blown fuse F401.

o Check input power circuits.

o Fault of contact on S401.

o Fault of TRSO1, 502, 503.

o Fault of AVR cct on PCSO 1.

o Fault of contact on connecter of PCSO 1.

o Fault of rectifier diodes on PCSO 1.

2.

3.

Ready lamp not glowing.

Scanner fails to rotate.

Check: o AVR Inop.

o Fault of CD40 1.

o Fault of timer cct on PC401.

Check: o Fault of S 101. (Safety Switch OFF) o Fault of contact on terminal boards.

o Fault of BIOI (Commutator and blush).

o Fault of drive mechanism.

4.

Scanner rotates but rotation of sweep is abnormal

Rotation of MlOl and fault of connection between

MIOI (PG) and PC401.

Check: o Fault of connection between M10 1 (PG) and PC40I.

o Fault of MIOI.

o Fault of cct on PC401.

5.

No picture on the screen.

6.

Only horizontal line screen.

Fault of CRT display unit or its supply voltages.

Check: o Open heater of CRT.

o Fault of contact on CRT socket.

o Fault of contact on CRT cap.

o Fault of video cct on PC401.

(Fault of RV4) o Fault of timer cct on PC401

There may be fault in vertical sweep generator, amplifier circuits and deflection coil.

Check: o Fault in vertical sweep generator, amplifier cct (circuit).

7.

Incorrect sweep o Start of sweep is not centered on the screen.

o Markers are oval.

o Adjust MT401 o Adjust horizontal or vergical hold.

o Adjust vertical length and linearity.

Trouble

8.

No range rings on the screen.

9.

Range rings on the screen but no noise and no echoes:

10. Noise and range rings on the screen but no echoes.

11. Poor sensitivity.

Dim echoes.

Remedy

Check: o Fault of range rings generator cct on PC401.

o Fault of control cct on PC402.

Faulty circuit between IF amplifier of receiver unit and input circuit of display unit video amplifier.

Check: o Fault of GAIN, STC control settings.

o Fault of receiver unit.

o Fault of contact on terminal boards and connector.

o Fault of GAIN, STC cct on PC401.

If no transmission is present, check the modulator and magnetron.

Check: If transmission appears to be present as indicated by the correct MAG. I reading on Tester.

TBlOl MO

=

12 VDC o Failure of Gunn Oscillator tuning.

If transmission appears to be present, carry out the

Gunn Oscillator tuning procedures and check the diodes.

o Fault of Gunn Oscillator.

o Fault of CD30l, 302.

If no transmission is present, o Whether the lead wire to magnetron is contacted to chassis.

o Fault of magnetron.

Check: o Reduction of transmitting output power.

o Fault of magnetron.

~ Check of MAG. I reading on TB 101-MO.

o Fault of diodes (CD30l, 302) o Fault of CRT.

o Water in the radiator and waveguide.

(Dirt, caked salt, ice and snow on the radome?) o Failure of Gunn Oscillator tuning.

o Failure of FOCUS adjustment.

o Failure of INTENSITY ADJ.

o Fault of video amplifier cct on PC401.

o Fault of receiver unit.

5-9

TABLE 5.5

TYPICAL VOL TAGES AND RESISTANCES

(A) Inter-unit terminal board

Note: Resistance measurements shall be made under the following conditions:

IOPERATE

I

switch-OFF,j S101j-ON

Resistance value shall be measured between measuring point and ground unless otherwise

specified, and negative terminal of the tester is grounded as a rule.

The tester used this measurement is 20 kfJ./V de, 8 kD./V ac.

Voltage measurement shall be made under the following conditions:

JOPERATE

I switch-ON,

,

I

RAIN CLUTTER

I switch-OFF,

I

GAIN/-max,

I

SEA CLUTTER

I

-min.

Ship's power supply is de 12 V.

SCANNER UNIT

Measuring

Point

TBIOI MH

MI

PI

6

GS

VD

33

38

DP

22

78

300

6

53

55

6.5 k

600

460

Resistance

Hl)

1 nm

Voltage (V)

2 nm

4 nm

Remarks

0.25

nm

0.5

nm

8 nm

12 nm

340 340 340 340 330 330 330 DC 1200 V

1 i

0.02 0.02

0.02

0.02

0.02

0.02

0.02

DC 0.3 V

12 12 12 12 0.8

0.8

0.8

DC 30 V

12 12 12 12 12 12 12 DC 30 V

4.7

4.7

4.7

4.7

4.7

4.7

4.7

DC 12 V

0.13

0.13

0.13

0.13

0.13

0.13

0.13

DC 0.3 V

I

I

7 7 7 7 7 7 7 DC30 V

5 5 5 5 5 5 5

7.5

7.5

7.5

7.5

7.5

7.5

7.5

I

DC30V

AC30 V

5-10

(B) Resistances at inter-unit connecter without connection of cables.

NOTE: Refer to Note given in item (A).

SCANNER UNIT

Measuring Point Resistance (n)

TBI0l

....

~-

MH

TI

PI

33

38

DP

6

GS

VD

00

1 k

320

8

3.5 k

00

80 k

0

700

DISPLAY UNIT

Measuring Point Resistance (n)

J502

5

6

7

8

9

3

4

1

2

10

11

12

13

14

15

16

0

20

100

0

0

55

6.5 k

8.5

8.5

630

35

0

4.8 k

0

0

16

5-11

DISPLA Y UNIT

0.25 nm

OV lC22-11

2V, 5/oLs/div

0.25 nm

OV

IC22-9

2V, 0.5ms/div

0.25 nm

OV

2V, 50/oLs/div

12 nm

OV

15-2

(HSY)

2V, 10/oLs/div

12 nm

IC22-9

OV lC22-11

2V, 20/oLS/div

12 nm

IC24-6

OV lC22·9

2V, 0.5ms/div

IC31-3

OV

2V, 50/oLs/div

OV

15-3

(VSY)

J5-5 (Video)

2V, 2ms/div

FIG.

5-4 TYPICAL WAVEFORMS1/2

5-12

OV

2V, O.5msjdiv

13-5 (CP)

+2V

IC22-11

2V. 50llsjdiv

13-9 (GS)

OV

J5-2

(HSY)

1C51-12

OV

IC36-6

2V, O.5msjdiv

1C21-13

OV

J5-2

(HSY)

2V, IOlls(div

IC59-7

OV

J5-3

(VSy)

2V, 2ms(div

1C51-4

FIG.

5-4 TYPICAL WA VEFORMS 2/2

5-13

5.3

REPLACEMENT OF MAJOR COMPONENTS

5.3.1

Replacement

(l) Magnetron V 201 a.

Remove 4 screws holding the transmitter unit.

b.

Remove the cover from chassis.

c.

Disconnect magnetron leads from the pulse transformer.

d.

Remove 4 screws holding the magnetron.

e.

Ease the magnetron away from the mounting plate and withdraw.

f.

...

To reassemble, reverse the above procedure.

CA UTlON: Do not put the magnetron on iron plate.

•

(2) Diode Limiter A 102 a.

Remove 4 screws holding the Receiver Unit.

b.

Withdraw the Diode limiter.

c.

To reassemble, reverse the above procedure.

d.

To reassemble, reverse the above procedure.

(3) Gunn Oscillator A 301 a.

Remove 4 screws hodling the the receiver unit.

b.

Disconnect leads from the Gunn Oscillator.

c.

Remove 4 screws holding the Gunn Osillator.

d.

Withdraw the Gunn Oscillator from the Mixer.

e.

To reassemble, reverse the above procedure.

(4) Crystal diodes CD301, 302 a.

Remove 4 screws holding the receiver unit.

b.

Pull diodes out from their mounts.

c.

When replacing ensure that the diode polarity is correct.

d.

Pay sufficient care on handling diodes, since they are fragible to strong radio waves, high voltages and mechanical shocks.

(5) Cathode-ray tube V 401 (See Fig. 5·5) a.

Remove the cover from the Display Unit.

b.

Remove 4 knobs on the front panel.

c.

Remove front panel.

d.

Remove the socket from CRT base.

e.

Remove the HV cap from CRT.

f.

Remove 4 screws holding the CRT.

g.

Remove the CRT frontward.

To replace the CRT proceed as follows: h.

Insert the CRT in position and orientate it so that HV cap is at 9 o'clock.

i.

Place the CRT front panel on the tube face and tighten screws.

j.

Replace HV cap and socket.

k.

Then reverse above procedure c ~ b ~ a.

(6) Drive motor M 101 (See Fig. 5-6) a.

Remove 4 screws holding the drive motor.

b.

Remove the drive motor from turning mechanism plate.

c.

To replace, reverse the above procedure.

5-14

4 SCREWS

4 SCREWS

REMOVE 4 SCREWS SECURING

THE FRONT PANEL •

Fig.

5-5 REPLACEMENT OF CRT

REMOVE 4 SCREW and

REMOVE THE CRT

FRONTWARD

5-15

5-16

REMOVE 4 NUTS

Fig.

5-6 REPLACEMENT OF DRIVE MOTOR

Cf'

...,

Type Kind, Use

Hitachi

TABLE 5.6

TABLE OF TRANSISTORS USED

Supplier

Vebo

(V)

Veeo

(V)

Vebo

(V)

80 80 4

Ie lA

Pc

8W hFE

Vee

(V)

(sat)

60 ~ 120 1.0

Vbe

(V)

(sat)

1.5

hie fr

(MHz)

160

Oat

(Oe/W)

2SC1212AB Si HF Driver

NPN

2SA1015-Y Si AF Amp

PNP

2SC1855 Si HF Amp

NPN

2SD1148-0 Si

NPN

2SC1815-Y Si AF Amp

NPN

2SD633Z Si

NPN

2SA839-0 Si HF Amp

PNP

Toshiba

Hitachi

-50

20

-50

20

-5

3

-150 mA 400mW 120 ~ 240 -0.3

-1.1

max max

20mA 250mW 20 ~ 200

Toshiba 140

Toshiba

Toshiba

60

140

50

100

5

5

5

Toshiba -150 -150 -5 lOA

150 rnA

7A

-1.5A

100 W 2.0

max

400mW 120 ~ 240 0.25

1.0

max max

40W 2.0

2.5

max max

25 W 70 ~ 140

80 min

550

80 min

6

.~

<t' ...

co

TABLE 5.7

TABLE OF DIODES USED

Type

IS1588

IS1832

V06C

V05J

HVR-3H

S6080B lK34A

SD2Z11

IN60

S6K20

SD2Cli

V05C

BZ-350

Kind, Use Supplier

VRM

(V)

VR

(V)

IPM

(rnA)

Si High Speed Switching

Si Rectifier

Toshiba

Si Rectifier

Si Rectifier

Si Rectifier

_.

Thyristor

Ge Detector

Si Rectifier

Toshiba

Hitachi

Hitachi

Sank en

Toshiba

Unizon

-----_._-f--'-~------------

Toshiba

Ge

Si Rectifier

Si Rectifier

Si Rectifier

Si Zener

New JRC

SHINDENGEN

Toshiba

Hitachi

New JRC

200

30

200

200

300

35 30 360

1800 1500 2.5A

200

1000

8000

750

800

60

20

200

10

(rnA)

120

0.7A

1.1A

2.7A

350

50

SA

50

6A

SA

P

(mW)

300 lW

VF

(V)

1.3

2.0

1.4

1.3

12

" turn off time

= 15 /lS (IT (AV) = 3A)

1.2

Vz = 35 V

..4

~

-"

(l)

Type

IlPC596C

TA 7124P

IlPC71D

TA7326P

NJM4558D

IlPD4 16C-2

IlPC494C

HA17723G

HA17555PS

TABLE 5.8

TABLE OF INTEGRATED CIRCUITS USED

Kind, Use

VIF Detector

Linear, VIF Amp

Supplier

NEC

Toshiba

High Speed Comparator NEC

Linear

Timer

Dual Operational Amp

Toshiba

New JRC

16384 BIT N CHANNEL

MOS RAM

NEC

STABILIZED

POWER SUPPLY

STABILIZED

POWER SUPPLY

NEC

Hitachi

Precision Timer Hitachi

Vee = 18 V lsource, lsink = 200 rnA

Remarks

Vee = 15 V, Po = 275 mW (Ta = 70°C)

.

Vee = 15 V, Po = 400 mW, Gp = 48 dB (f= 58 MHz)

NF = 6.0 dB (f = 58 MHz)

V+ = 12 V, V- = -6 V

VIO = 1.0 mY, Ito = 1 IlA

VOH = +3.2 V, VOL= -0.5 V

Vs = 12 V, Vee = 7 V, Po = 400 mW

Topr = -20 - 75°C

V+=15V, V- =-15V access time = 200 ns

Vee = 41 V

VCER = 41 V

Ie = 250 m A

PT = 1000 mW

Vcc = 40 V, PT = 1000 mW, lout = 150 rnA

5-20

25C1212A8 1E

2C

38

25A839-O

250633Z

2501148-0 o

18

2C (Case)

3E

1 2 3 1 2 3

(c ~ c)

25A1015-Y

25C1815-Y g

0 0 0

1 2 3 l E

2C

38

25C1855 CSJ

2E

3C

18

FIG. 5-7

IDENTIFICA TlON OF TRANSISTOR LEADS

@

0

CD

CD

0 , I'

==cr=J~=

151832

151588

~

1N60

8Z-350

1K34A

.1

I@

I

502C11

~ o@

5D2Z11

.1

o@

1. Gate

2. Cathode

Anode (case)

HVR-3H

560808

o

+ -

V06C

U05J

U05C

FIG. 5-8

+

IDENTIFICATION OF DIODE LEADS

56K20

I aD em lID

1 2 3 s c

", lID lID a:D aDl

4 5 6 7

C

Z t:l u u

;

0

> >

TA7124P

TA7326P

GND

IN

II

Vl-

::l

0

U u.

<l:

I.-

'0

BU u

0'0 ti U

0 s e

'"

0

'"

J..lPC596C

I-

::l

0

\"

V+

OUT

NC

NC

J..lPC71D

1 2 3 4 5 6 7

1VS

2.

RESET

3.

START

4.

GND

5.

VCM

6.

OUTPUT

7.

VDD

OUTPUT

NON·

NV INV.

REF CONTROL

:NPUT INPUTOUT Vee

C2 E2 E1

GND

TRIGGER

OUT

RESET

DISCHARGE

THRESHOLD

VCONTROL

U

Z

NON- INV.

INV.

INPUT

INPUT

DEAD-C'

TIME T

FEEDCONTROL

BACK

J..lPC494C

RT GND Cl

Co

E

8

U U ;

U U 0 N U

> > > >

Z

VBB

DIN

WRITE

RAS

A o

A,

Al

VDD

J..lPD416C-2

Vss

CAS

DOUT

A.

A,

A.

As

9 Vee

HA17555PC

NJM4558D

1.

A OUTPUT

2. A-INPUT

3.

A+ INPUT

4.

V-

5.

B+ INPUT

6.

B-INPUT

7.

B OUTPUT

8.

V+

HA17723G

FIG.

5-9 /DENT/FICA T/ON OF IC (TOP VIEW)

5-21

SECTION 6

TECHNICAL DESCRIPTION

6.1

6.1.1

6.1.2

6.1.3

BLOCK DIAGRAM DESCRIPTION

General

Scanner Unit

Display Unit

6.2

6.2.1

6.2.2

6.2.3

SCANNER UNIT

Radiator, Motor-encoder, Radiator Rotating Mechanism, SHM Sw.

Transmitter

Receiver

6.3

6.3.1

6.3.2

DISPLAY UNIT

General

Main Control Circuits

6·1

6.1

BLOCK DIAGRAM DESCRIPTION

6.1.1 General

The overall system block diagram can be considered as being comprised of two main sections. One for the scanner unit circuit diagram; the other for the display unit circuit diagram. The following description of the block diagram explains the individual circuits described in Chapter 6.2 and 6.3.

The motor-encoder and SHM pulse generator are used to synchronize; the bearing of the radar display, display timing and transmit-triggering. Setting the operate switch to

"STBY" position activates the power supply which in tum provides operating voltages to all circuits of the radar. After about 90 seconds, setting the operate switch to "ON" position allows transmitter triggering and the radar becomes operational.

6.1.2 Scanner Unit

The scanner unit includes the scanner drive mechanism together with the transmitter and receiver. These three sections are housed within a 25" radome.

1) Radiator

The radiator is a horizontally polarized, resonant, center-fed slotted wave guide array. The radiator is driven at 27 rpm by a motor-encoder via a reduction mechanism.

2) Motor-encoder

The scanner motor is a dc motor which incorporates a reduction mechanism and encoder. The input voltage of the motor is 12 V de. The concoder generates a bearing sync pluse every 0.176 degree or 2048 pulses for each complete rotation or the scanner.

3) SHM Pulse Generator

The SHM pulse generator consists of a reed switch and permanent magnet which is mounted on the main reduction gear. The SHM pulse resets the bearing counter in the display unit to zero.

4) Modulator

A line-type pulser is used in the modulator. The charging method used is de charging. A silicon controlled rectifier (SCR) is used as the high power switch of the pulser.

The pulse selection relay (K20 1) is controlled by the RANGE switching on the control panel of the display unit. This will provide short pulses when the 0.25, 0.5,

I or 2 nm range switches are selected and long pulses on the 4, 8 or 12 nm ranges.

The pulse repetition frequency (PRF) rate is 920 Hz.

5) Magnetron Transmitter

A voltage of the required pulse width is fed to the magnetron which generates high energy oscillations in the region of 9445 MHz for the duration of the input pulse.

The operating point of magnetron is at a voltage of -3.6KV and a current of 3A.

6-2

1 j i

I

6) Circulator and Diode Limiter

A ferrite circulator is used for the duplexer. The Passive Diode Limiter is used to protect the receiving section (especially the mixer diodes). From excessive RF input levels at all times.

7) Gunn Oscillator

A Gunn Oscillator is used for the local oscillator. The oscillator generates a low energy RF signal the frequency of which is tuned 38 MHz higher than that of the transmitter output frequency.

""

8) Mixer

Two small diodes, fitted inside the mixer waveguide assembly at the, receiver input, form a balanced mixer which feeds the intermediate 38 MHz frequency signal to the 1.

F. amplifier.

9) 1.

F. Amplifier

The 1.

F. amplifier consists of two stages. The first stage is a low noise transistor amplifier; the second is a linear integrated circuit amplifier stage. The second stage is controlled by the GAIN-SEA CLUTTER signal from the display unit.

10) Detector

In this stage, the 1.

F. (38 MHz) component is removed leaving video rate signals for display.

11) Video Circuit

This circut is primarily an emitter follower which feeds the video signal from the detector to the display unit providing an impedance match to the coaxial cable.

At the same time this emitter follower supplies the video integrator circuit used for tuning of the Gunn Oscillator.

6.1.3

Display Unit

The display unit consists of the main control circuits, the control panel circuitry, the CRT display and the power supply.

The display unit is fed with the video and bearing synchronizing signals from the scanner unit via a multicore cable. Semi-conductors and integrated circuits are used throughout the display except for the CRT and lamps.

1) Video Circuit

The video circuit consists of the FTC (Rain-Clutter) circuit, inverting amplifier,

D.C. restorer circuit, emitter follower and tuning indicator circuit.

2) Comparator

The comparator generates a digital pulse train from the input analog video signal.

Comparator level adjust RV402, sets the video threshold.

3) Pulse Stretch

The pulse stretch circuit expands the width of the digital video pulses, according to the range scale selected.

6-3

6-4

4) Buffer Memory

The buffer memory stores the video data of 3 successive transmissions. A single transmission of video data is stored into 112 memory cells.

5) Interference Rejecter

The stored transmissions of video data from the buffer memory is serially fed into the interference rejector. Interference in the video data will be rejected using pulse correllation techniques.

6) Video RAM

The Video RAM is the main memory for the display. The display area on the

CRT screen is divided by 224 x 224 dots, the Video RAM used in the 1200 Radar has 65,536 memory cells (256 x 256).

'

7) Gate Generator

The gate generator produces a waveform whose duration depends on the setting of the RANGE switches. The output gate is fed to the sampling clock oscillator.

8) Sampling Clock OSC

The sampling clock oscillator produces the sampling clock pulse, (17.5 MHz) which is the sampling frequency of 0.25 and 0.5 nm ranges.

9) Count Down

The count down circuit produces the sampling clock pulses for the remaining ranges (1 to 12 nm ranges). The countdown circuit consists of four divided by 2 circuits and one divided by 3.

10) Sampling Clock Select

The sampling clock select circuit selects the proper sampling clock pulse rate via the range data signal from the control circuit PCB. The output is fed to the R/W clock select circuit.

11) R/W Clock Select

The read/write clock select circuit selects either the pulses from the sampling clock pulse or the display clock pulses of H.

counter depending on the appropriate timing of sampling or displaying. The output is fed to the buffer memory address counter.

12) Memory Address Counter

The memory address counter produces the buffer memory address data and controls reading and writing of the buffer memory.

13) W Pulse Generator

The W pulse generator produces the writing pulses to the Video RAM from the output of the X address counter.

14) Parallel-Serial Converter

The parallel-serial converter circuit changes the four bits data of the Video RAM to the serial data.

15) Bearing Pulse Generator

The bearing pulse generator synchronizes the signal of the motor encoder into the display timing. The output of this circuit is fed to the bearing counter circuit and the main trigger generator circuit.

16) Main Trigger Generator

The main trigger generator circuit produces the trigger pulse for the transmitter and display control timing.

,~.

17) Transmitter Trigger Generator

The transmitter trigger generator produces the pulse for driving the modulator in the scanner unit.

18) Delay Circuit (0 nm Adjust)

The delay circuit produces a variable delay time for adjusting the o nm as compensation for transmitter firing delays.

PPI center to

19) Gain-STC (Sea Clutter) Circuit

The Gain-STC circuit controls the sensitivity of the receiver in response to the setting of the Gain and Sea Clutter controls on the control panel. At sea, the effect of random signals received from waves at short ranges can be reduced with the sea clutter control.

20) Clear Pulse Generator

The clear pulse generator produces the pulse for resetting the bearing counter to zero. The Clear Generator is triggered by the SHM Pulse.

21) Bearing Counter

The bearing counter produces the antenna position data from the motor-encoder output and the SHM signal in the scanner unit.

22) RO/XY Converter

The RO/XY converter circuit produces the pulse train for changing the bearing data and the range data into the X and Y address data.

23) X Address Counter

The X address counter produces the X address data for writing the Video RAM.

24) Y Address Counter

The Y address counter produces the Y address data for writing the Video RAM.

25) Marker Generator

The marker generator produces two marker pulses at 0.25 and 0.5 nm ranges and four marker pulses at 1, 2, 4, 8 and 12 nm ranges for input to the Video RAM.

26) Address Data Select

The address data select circuit inputs 7 bits X/Y counter address data or H/V control data to the Video RAM address (depending on timing of read/write), ROM address, latch and/or column address latch to the Video RAM address.

6-5

6-6

27) Master Oscillator

The master oscillator produces the 6 MHz clock pulse for the CRT display and the system control.

28) Horizontal Counter

The horizontal counter produces the X address data at the display time from the clock pulse of the master oscillator.

29) Vertical Counter

The vertical counter produces the Y address data at the display time from the output of the horizontal counter last stage.

30) Horizontal and Vertical Synchronizing Pulse Generator

This circuit produces the pulses for synchronizing horizontal and vertical deflection of the CRT display unit.

31) SHM Generator

The SHM generator produces the pulses for displaying the ship's heading marker on the screen.

32) 90 Sec Timer

The 90 Sec Timer circuit provides the delay time which is required for warm up of the magnetron.

33) SHM Mixing, Blanking Gate

The SHM Mixing circuit is used for mixing the video pulses and the SHM pulses.

The blanking gate circuit switches the mixed signal by display timing.

34) Video Buffer

The video buffer circuit controls the CRT intensity according to the BRIL SW setting on the front panel and drives the video circuit of the CRT display unit.

35) Display PCB

The display PCB contains the horizontal deflection circuit, the vertical deflection circuit and the power supply circuit for the display unit which is supplied from

12 V de.

36) Video PCB

The video PCB contains the final video amplifier circuit for driving CRT cathode.

37) Control Panel Circuit PCB

The control panel circuit produces the signals for controllings the display circuitry by setting control knobs and control switches on the front pannel.

38) AVR Circuit

The AVR circuit generates a regulated output voltage of 17 V de from the ship's mains of 12 V, 24 V, or 32 V de.

39) Converter Circuit

The converter circuit converts the 17 V de output of AVR into four levels of voltage which are required for the scanner and the display unit operation. The outputs are -5 V, +5 V, +12 V, and +330 V de.

Bearing Pulse

Horizontal SYNC Output

J

Bearing Pulse Gene. Output..J

Main Trig. Gene. Output

Transmitter Trig. Gene.

Output

Charging Wave Form of

PFN

MOD pulse of Magnetron r

--"

-J

Magnetron d.

Output

-1

J l

Gate Gene. Output

Video RAM Write Gate

I ij n f n

Horizontal SYNC Pulse

IIL...

Horizontal Blank Gate

SHM Pulse

_

Vertical SYNC Pulse

Vertical Blank Gate

SHM Gate n

~

~

FIG. 6-1 OVERALL TIMING TABLE nL.._

6-7

----~-_.~----

·.~

M89361 DIS P LA Y UN IT

,...---.

Video cct

Com

-e-

~

G-nte

Gene.

r---

So.mpling

Clock osc

4.-

Delay cct

(onm AdJ) i

Beo....

ing

PuiseGen

I - r-- Mo.inTrig

G-en

1 l

Tt-ausmitter

I-

Tl-ig'. Goer>

-Pulse st"t""eteh

I - -

Buffer

Memo...),

Memor)'

AdO.

Countet r - -

Rejector r Video

RAM

~ fur-Sel'" r-

WPulse

Gene Convel-Lel'"

Count flown

!

Sampling

Clock select tywclock

Se.lect

Ad.d.. .

£Jo.ta.

Select

~

SHM H.X

Bla.nking

I--

Ga:t.e

II j

Vid.eo

Buffe.r

,

~

Cleare

A..tlse

Gen

W

Bea.... ing

Counter

Go.in.STC k cct.

f-

~

RejXY

Convej-tev

Po.nel

Control

PC 8 cct f - - -

Mo.yker

G-en

.-

1 r x Acid.

Counter

~

Y Ad.d.

Counter

1

90 sec

Timetr--V·Counterf----.r'3'

~

H,V SINe

~e't1

~

I

' - -

H, Counler

EOr -

Ma.ster

OSC

SHM

Gene

,-

SCANNER UNIT l

~£HATOR

~CRT

J-

, .

SHM

<:'vv

-- -

, r-->:

I

ROV\R:1'

JO\NT

L 571

Magnet

---

---

-

-

-lf~

-

I

~

I

--

MoTor

M 101

ENCOOE'~

MA.GN~

~

("") l -

CIRCUI - -

V1BEO V20t 1.ATOR

I

I

I

I r - - -

BlOSE

I - -

L1MITffi f - -

AI02

PCB

,

A10I

I

I ..

IF AMP

,

MODU-

LAToR

D1SPLAY f-

PCB

. ,

PC201

I

I

~

DETECTOR

GUNN osc

A 301

~

M1XER

C9301

C9302

I

,

I

I

J vieao ccr

L _____

-

RECEIVER

--.J

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

, I

I

I

SH I P'S MA'NS f) c

~ 2, 24 , 32 V

BLOCK DIAGRAM OF 1200 RADAR

6-8

6.2

SCANNER UNIT

The scanner unit consists of the radiator, the motor-encoder, radiator rotating mechanism,

SHM sw, transmitter and receiver units. These components are housed within the 25" radome.

6.2.1 Radiator, Motor-encoder, Radiator Rotating Mechanism, SHM Sw

1) Radiator

The radiator is horizontally polarized, resonant, center-fed slotted waveguide array which is constructed in an aluminum flare. The radiator, approximately two feet in length is coupled to the transmitter and receiver via a short waveguide, rotary joint and circulator.

At half power points horizontal beam width is 5° and vertical beam width is 25°.

Side lobes are better than -21 dB with respect to the main beam. The direction of maximum radiated power is perpendicular to the radiator.

(Figure 6-2)

Main beam

Side lobes

Radiator

FIG. 6-2 RADIATOR PATTERN

6-9

2) Motor-Encoder

A 12 V de motor is used to rotate the radiator. The encoder section of the assembly produces the bearing pulses for the rotation synchronization. A bearing sync pulse is generated every 0.176 degrees of rotation (2048 pulses per 360 0

) at 12 V dc amplitude. These pulses are sent through TB 10 l-DP to the Bearing Pulse Generator in the Display Unit.

3) Radiator Rotating Mechanism

Mechanical coupling between the radiator and the motor-encoder is affected by reduction drive mechanism. The motor rotates at approx. 27 rpm. The reduction ratio is 45 : 128.

4) SHM Sw

SHM Sw produces the signal of the ship's head position when the permanent magnet fitted on the main gear passes across Reed Switch S 102. The resulting SHF signal is sent to the Clear Pulse Generator in the Display Unit.

6.2.2 Transmitter

The general layout for the transmitter is shown in Figure 6-3. The transmitter consists of the modulator printed circuit board and the magnetron.

1) Modulator

The line-type pulser is used in the modulator and consists of a charging choke,

SCR switch, PFN and pulse transformer. The circuit is shown in Figure 107.

MAGNETRON PC201

.:':

6-10

FIG. 6-3 TRANSMITTER UNIT p

Circuit components:

L201

CD203

T201

Charging Choke

SCR Switch

Pulse Transformer and the PFN consists of L202, C204, C205, C206.

K201 is the pulse selection relay which is controlled by RANGE switches in the display unit.

-',

By setting the OPERATE switch on the control panel to "ON" position, the modulator trigger pulse is fed to the base of TR 1 from the transmitter trigger generator circuit in the display unit.

The MOD-MH of 330 V de is fed to the PFN capacitors C204, C205 and C206 via L201. Because of the resonant charging action of L201, the PFN reaches almost twice the voltage of the input. Since the charging efficiency is approximately 90 %.

the PFN voltage reaches nearly +600 V.

On receiving a positive pulse at the gate of CD203 from the emitter follower

TR201 via R205, the SCR switch begins to conduct and the voltage which is charged across the PFN capacitor is discharged via CD203 and T201.

Consequently, the pulse determined by the PFN appears on the primary windings of the pulse transformer T201 and this pulse is stepped up to the cathode of the magnetron via T201 (approximately 1 : 13).

The peak voltage of the pulse on the pulse transformer primary windings is

-260V, and the magnetron cathode voltage is -3.6 kV. On short ranges, the pulse length is 0.12

usee. On longer ranges when the K201 operates, the output pulse length is 0.5 usee. (K201 is controlled by RANGE switches in-the display unit.)

As a result:

Range

0.25 nm

0.5

nm

1 nm

2 nm

4 nm

8 nm

12 nm

Pulse Length

0.12JJ.sec

0.12

usee

0.12JJ.sec

0.12JJ.sec

0.5 JJ.sec

0.5 JJ.sec

0.5 JJ.sec

Pulse Repetition Frequencies

920 Hz

920 Hz

920 Hz

920 Hz

920Hz

920 Hz

920Hz

2) Magnetron Transmitter

While the high voltage pulse is fed to the cathode of the magnetron, the magnetron generates high energy oscillations in the region of 9445 MHz for the duration of the input pulse.

6-11

6-12

The operating point of the magnetron is at a voltage of -3.6 kV and a current of 3A. In normal operation, magnetron current can be checked with the volt meter connected to TB 10 I-MO and ground. The typical reading in long pulse is 12 V de.

3) Diode Limiter

AI02 is the Passive Diode Limiter fitted between the circulator and mixer assembly.

It serves as a barrier to protect the mixer diodes from high amplitude r.

f.

energy. Irrespective of whether or not the radar is energized.

Anode Voltage of the SCR (CD3)

Primary Voltage of the Pulse-Trans

(T201-2)

Modulator Trigger at

TB10l-TI

600 V

_t

Jf±v

~~

FIG.

6-4 TIME TABLE OF THE TRANSMITTER

~ r

6.2.3 Receiver

The general layout for the receiver is shown in Figure 6-5. Receiver consists of Gunn

Oscillator, Attenuator, Mixer, and Receiver Printed Circuit Board.

1) Gunn Oscillator

By means of both mechanical and electrical controls, A30l is tuned to give a continuous output frequency 38 MHz higher than that of the magnetron. Mechanical tuning is achieved by the adjustment of a screw on A30l; electrical tuning is achieved by the adjustment of the operator's TUNE control on the display unit.

-,

2) Attenuator

Normally a Gunn Oscillator provides a higher output than required for eff'~cient mixing. An attenuator is set to optimize the signal-to-noise ratio and this condition is obtained when the mixer current is 0.5 rnA at either test point TPI or TP2.

3) Mixer

The mixer is the balanced type and uses diode types lN23E and lN23ER. The balanced type mixer presents a good signal-to-noise ratio to the receiver system.

The mixer output is resonant at 38 MHz.

4) I.F. Amplifier

The I. F. Amplifier consists of two amplifying stages. The first stage is transistor amplifier which is designed to provide a good noise figure. The noise figure of this circuit is determined by the collector current of the transistor, approximately 3.5 rnA.

The second stage is the integrated circuit (K') amplifier. This stage is controlled by the GAIN-STC circuit in the display unit. The GAIN-STC control voltage is fed to the bias terminal (3) oflC30 1.

GAIN-STC control voltage on TB10l-GS (at STC control min) for maximum gain is approximately 5 V and for minimum gain approximately 9 V.

5) Second Detector

The second detector is an IC detector which operates as a sensitive detector amplifier. The negative going video signal appears across R13, the I.F. component is removed, and the video signal is fed to the video circuit.

6) Video Circuit

The video circuit consists of an emitter follower/video integrator. The emitter follower operates as an impedance transformer to drive the coaxial cable which feeds the video signal to the display unit.

The video integrator circuit is provided for test purposes when the Gunn Oscillator is being tuned.

The circuit is a de restorer circuit. When the negative going video pulses are fed on CD8, the charging current flows via CD8 and C24. As a result, C24 is charged negatively to approximately -1 V de which appears on TB 101-32. Proper tuning of

Gunn Oscillator is achieved when the tuning voltage on TB 10 1-32 is at a peak value.

6-13

cp

~

~

::JJ

§

-

"'i s ri;

::JJ

9'l

0,

~J~J

~Ur

AI02

0 tTl u cr

~

A 301

~I

J4

(P4)

J5

IPS)

++

C25

220fl

C2

2200

C4

0·0 If'

C0301

IN23E

~

I-~-b I I tp~) C6

CD302

IN23ER

I

I--~

C3

2200

~ c s

O.OI)J

TRI

2SCI1355

CDq~CDI2

I"'~~ t'lIll"'~--------------~1

CI

2200

:t

RI422 R21

10 z

~

C23

10fJ p>~ nl-r

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RI2

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i

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R23 a.:H

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........

-

...........

.........

-.~""--_.,

..

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--

~." ..

-

."-_.-

'iI1

6.3

DISPLAY UNIT

6.3.1 General

Most of the display unit components are mounted on five printed circuit boards; the remaining components are chassis mounted. The display unit circuitry consists of the main control, control panel, power supply, CRT display, and CRT display video circuits.

6.3.2 Main Control Circuits

1) Video Circuit

The incoming negative going video signal is fed to the FTC (Rain-Clutter) circuit.

The FTC circuit consists of a capacitor CIa, a resistor R22, and a diode CD~.

CD3 operates as a diode switch which is controlled by the RAIN CLUTTER switch on the display unit control panel via the Transistor TR3. In the "OFF" state of the RAIN

CLUTTER switch, CD3 is conductive, and the video signal is fed to the inverting amplifier without being differentiated. In the "ON" state of the RAIN CLUTTER switch, CD3 is not conductive, and the video signal is differentiated by cia and R22.

The negative going output of the FTC circuit is amplified by TR4 and the inverted (positive going) output signal appears on the TR4 collector. The output of the inverting amplifier is fed to the de restorer circuit via the emitter follower TR5.

2)

The de restorer circuit consists of CD5 and followed by TR6. TR6 is an emitter follower and drives the tuning indicator circuit and the comparator. The positive going output signal of TR6 is fed to the integrator circuit C 16 and changed into dc voltage. The de voltage across C 16 biases TR8 Base and controls the brilliance of the

Tuning Indicator LED. TR 7 controls the maximum brilliance of the Tuning Indicator

LED which is determined by the BRIL switch setting on the front control panel.

Comparator

The comparator IC2 changes the analog video signal into a digital pulse train and produces the negative going pulses on IC2-7. The output of IC2 is inverted by IC 14.

3) Pulse Stretch

The positive going digital video pulses are fed to the pulse stretch circuit. The pulse stretch circuit consists of eight bits shift register IC3 and NOR gates, IC4 and lC5. IC3 produces eight delayed pulses, and the delay time between pulses is controlled by the clock pulses on IC3-8.

The clock pulse frequency is selected by the transmitter pulse width signal determined by setting the RANGE switches. The clock pulse frequency is 17.5 MHz at short pulse and 4.375 MHz at long pulse. Two outputs Ql + Q2, or five outputs

(Ql - Q5) or all of eight outputs (Ql - Q8) are fed to the NOR gates and added to the input pulse. The stretched output pulses appear on IC5-6, IC5-12 and IC5-8 and selected by IC6. IC6 is a data selector IC and controlled by RANGE data signal

(Ra, R 1, R2).

4) Buffer Memory

The output video pulses of the pulse stretch circuit are fed to the buffer memory

(lC7). The displayed range is divided into 112 range cells. Therefore, the required

6-15

RV401

L501

· - - - - - - - - - - - v i .

i

.:

_

·...••. · .••. ···.····· ...••.•.•.•.••··.··.·.·•·•.·

:~

. • • 1

~

.••..•.••• ,J...

::~->V>.;.N.

.. ,.

~:t";\_-...'

':, t{~.;~.o.,;; yc>•••

<

~

-,.:

.!

...

,: :.

'

",.,:, ...•

,

:':-'<:.:'::'::':'

..

"

..

:1:

L571

CKJ44

PC501 CKJ45

J1

6·16

FIG. 6-6 DISPLA Y UNIT 1/2

PC402

W1

- - -

......

, tf

RV403

RV401

J502

CD401

5401

W2

FIG. 6-6

DISPLA Y UNIT 2/2

6-17

i

6-18 buffer memory will be 112 bits for the video data of each transmission. Three transmissions of video data are stored in the buffer memory (IC7) for the interference rejection circuit. The video data is written into the memory by the writing pulse fed to IC7-14. The address data is fed on AO-A8 and the read data appears on

DO (lC7-7).

5) Interference Rejecter

The video data sent to the video RAM from the interference rejecter circuit is delayed by two transmissions. The video data of the last-three transmissions is stored in the, buffer memory IC7. This video data is read serially in each range step by A7 and A8 address control. No. I and No.2 data of IC7-7 are latched on IC8 by timing control. After latching, No.3 data is present at IC7 -7. These three data are fed to

NOR gate IC9-6 and added. No. I and No.2 data are fed to NAND gate ICII-12,

No.2 and No.3 data are fed to NAND gate ICII-6. The interference noise pulse which is not synchronized to the transmission timing cannot pass through IC 11-12 or IC 11-6. The output pulses of IC 11-12 and IC 11-6 are fed to NOR gate IC 12-6 and added. ICIO-6 output appears in the IR switch "OFF" state. IC12-6 output appears in the IR switch "ON" state. IC9-12, IC 12-11, IC I0-11, IC 11-8, IC 12-8,

IC9-8, and IC 13 are used for making the required latch pulses and the address control data for the buffer memory.

6) Video RAM

The output of the interference rejecter circuit is added with the marker pulse by NOR gate IC20-8 and fed to "AND" gate IC61-12. IC61-12 is the "AND" gate for writing zero to video RAM in the "STANDBY" position of the POWER switch.

The video RAM consists of four 16K (16,384) bits dynamic random access memory ICs in a parallel connection.

Video data, multiplex address data, row address strobe pulse, column address strobe pulse, and writing pulses are fed to IC65-IC68.

7) Gate Generator

The gate generator IC22 is triggered by the delay circuit IC34-8 output, and the output of IC22-9 goes to "High" state. Clear pulse from IC20-12 of the buffer memory address counter circuit is fed to IC22-13 (CR2) after 112 video data sampling samples and the output of IC22-9 returns to "0" state. The output duration of

IC22-9 is varied at each range as follows:

RANGE (nm) 0.25

0.5

2 4 8 12

Time (usee) 6.4

6.4

12.8

25.6

51.2

102.4

153,.6

The outputs of IC22-9 (Q2) is fed to the sampling clock oscillator and the other circuits. IC22-5 produces the address data selector control pulse of the interference rejecter circuit.

8) Sampling Clock OSC

The sampling clock oscillator consists of ICI4-11, IC14-6 and ICI4-8. The output of IC22-9 is fed to IC14-13 and controls the oscillation. When IC14-13 is I state, the circuit of IC14-11 and IC14-6 oscillates and produces the pulse train.

The output frequency is adjusted to 17.5 MHz by CVI. The sampling clock pulse is fed to the count down circuit via the buffer inverter IC14-8.

9) Count Down

The count down circuit produces the sampling clock pulses of I to 12 nm range.

"IC15 is two 4 stage FF. One of 4 stage FF is used as four 1/2 frequency dividers and the other is used 1/3 divider with the feedback by IC76-6 and IC76-8.

10) Sampling Clock Select

The sampling clock select circuit produces the sampling clock pulse fitted on the range which is set on the RANGE switches by selection from the output of sampling clock OSC or the count down output.

The sampling clock frequency versus RANGE relation is as follows:

RANGE (nm)

0.25

0.5

Frequency (MHz)

17.5

17.5

Period (usee)

0.057

0.057

8.75

0.114

2

4.375

0.229

4

2.1875

0.457

8

1.09375

0.914

12

0.72917

1.371

IC 17 is the clock pulse select circuit for the pulse stretch circuit IC3. IC17-6 output is 17.5 MHz at 0.25 to 2 nm range and 4.375 MHz at 4 to 12 nm range.

11) R/W Clock Select

The read/write clock select circuit selects the pulse from the sampling clock pulses and the display clock pulses by the sampling/displaying timing and the Range data.

At sampling time, this circuit selects the output of the sampling clock select circuit.

At the 0.25 nm range display time, this circuit selects 0.375 MHz pulse of H counter and at the other range display time, this circuit selects 0.75 MHz pulse of H counter,

0.375 MHz and 0.75 MHz pulse are gated by IC24-3 and IC24-ll and are fed to

IC25 at the time of the video RAM writing only.

12) Memory Add Counter

The address counter IC 18/ 19 produces seven bits address data for the buffer memory (lC7 AO-A6). IC20-12 produces the stop pulse after 112 pulses of the input clock pulses.

13) W Pulse Generator

The W Pulse Generator IC72 produces the writing pulses to the video RAM from the X address counter output XO and Xl. Four outputs of IC73 are added with the video RAM clear pulse by IC74 and fed to four 16K bits dynamic RAM IC65 -68.

6-19

6·20

14) Parallel/Serial Converter

The four bits parallel data of the video RAM output is fed to the four bits shift resistor IC62 D4 to D1 input and latched by the mode control pulse on IC62-6.

The serial video pulse appears on Q4 IC62-10 clocked by the 6 MHz clock input pulse on IC62-8/9.

15) Bearing Pulse Generator

The signal of the motor-encoder in the scanner unit is fed to the schmitt trigger

...

IC34-10 output is then fed to IC78 (monostable multivibrator) IC78-5 produces an approximately 700 usee pulse IC78-5 output is fed to IC35 and synchronized ,to the display timing. At the same time IC35 is controlled by the OPERATE signal that is the output of AND gate IC80-3. IC80-1 input is the 90 seconds timer output.

IC80-2 input is OPERATE switch signal of which timing is synchronized to display vertical timing by IC79.

16) Main Trigger Generator

The IC35-6 output is fed to the main trigger generator IC21 via a differential circuit made up of C65, R78 and R79. IC2l-l3 produces an approximately 10 usee main trigger pulse which is controlled by a HOLD signal from IC80-6. The main trigger pulse stops whenever the HOLD switch is pushed, or for approximately 0.5

second during changes of the transmitter pulse width. IC4l-6 and IC78-4 produce the 0.5 second pulse from the pulse width control signal when the RANGE switch is changed.

17) Transmitter Trigger Generator

The trailing edge of the pulse from IC2l-13 is differentiated by C20 and R43 is amplified by TR 12 and TR 12-C output is fed to TR 11. TR 11 is an emitter follower and drives the modulator.

18) Delay Circuit (0 nm adjust)

The delay circuit consists of R46, RV3, C22 and IC34-8 and compensates for the delay time between transmitter triggering and firing by adjusting RV3 so that received video appears on the display at its proper range.

19) Gain STC (Sea Clutter) Circuit

12

R3

V -------I/INY-................- - - - - - - - - - - - - - - - - - ,

TR2 l.r

R6

Vsl

tVs2

C6

R9

GS ourpof

FIG.

6-7 GAIN - STC CIRCUIT mmz7.1~

ICl-l is a voltage follower of GAIN control, ICl-7 is a voltage follower of

STC control. With the SEA CLUTTER control fully counterclockwise, Vs is equal to

VG. Consequently, the de output voltage of GAIN control appears on TR2-E (GS output) via R6, Rll, R7 and TR2. GS output voltage variation is approximately 5 V to 9V. When GS output voltage is 5V, the IF gain is highest.

When the Sea Clutter Control is clockwise, and the negative going pulse from the delay circuit is fed to TR 1-B, TR 1 turns on. Therefore, C5 will be charged up to a.yoltage

determined by VS, VG and the ratio of Rll and R6. After the GS pulse is over, TR 1 turns off and VGs changes from Vs to Vs

1 and CS begins to discharge via R6, Rll and RIO. When VGs reaches VS2, CD2 goes into cut off, then CS continues to discharge via R6 until VGs becomes equal to VG. GS output is filtered in the receiver unit and fed to the IF amplifier.

GS pulse

STC waveform

Voltage variation

1-----1------ - - -- - -- - - - --

Vs

STC control voltage

VSl

--''"'''''==-----

VS2

Max. STC level

GAIN control voltage (VG)

----------

Max. GAIN level

, t, ..... _ \":---------1

"-

----------,

" -

Varied by GAIN cont, \

FIG. 6-8 GAIN - STC WAVEFORM

6-21

20) Clear Pulse Generator

The signal from the SHM switch is fed to IC34-3 via the R52 and C26 filter and the output pulse at IC34-4 is fed to IC34-1 and inverted. IC34-2 output is fed to IC35-12 and synchronized into the bearing pulse. IC35-8 output is fed to the bearing counter IC37-2, 12 and IC38-2, 3 via C24, R49, R50 (differential circuit) and IC34-6.

21) Bearing Counter

The bearing counters IC37 and IC38 produce 11 bits antenna position data for the RO/:XY converter. QAI output of IC37-3 is fed to the interference rejecter circuit.

22) RO/XY Converter

The RO/XY converter consists of the bearing data control IC39, IC40 the range counter IC27, IC28, IC26-8 (the function ROM), and the quadrant control circuit

IC41, IC31, CI34, IC44.

The function ROM has the conversion table calculated for SIN between 0° to

90°. Bearing data for each quadrant is controlled by IC39 and IC40. In one range, step X address and Y address conversion is operated serially by the bearing data control and the quadrant control circuit. This circuit produces the pulse train and up/down control signal for X, Y address counters.

23) X Address Counter

The X address counter IC45 and 46 produce eight bits X address data for writing to the video RAM. PPI cetner address data are set on IC46-A, B, C, D input before count.

24) Y Address Counter

The Y address counter IC47 and 48 produce eight bits Y address data for writing to the video RAM. PPI center address data are set on IC48-A, B, C, D input before count.

25) Marker Generator

The marker generator consists of the counter IC29, 54, 27 pulse generator IC30, the data selector IC32, and the marker pulse generator IC23 and IC31-3. IC32 sets the marker position by the range data. In 0.25 or 0.5 nm range, IC29 is set 0 at every

54 range pulses and in the other ranges, IC29 is set 0 at every 27 pulses. 0 pulse of

IC31-3 is fed to IC20-5 as the marker pulse. IC20-6 output is controlled by IR switch.

26) Address Data Select

The address data select circuit consists of four data selectors IC69, 70, 71, 72 and produces seven bits address data for the video RAM from X, Y address counter data and H. V. counter data by the timing of R/W and RAS/CAS.

27) Master Oscillator

The master oscillator IC49 is a crystal controlled oscillator and produces the

6 MHz master clock pulse.

6-22

28) Horizontal Counter

The horizontal counter consists of IC52, 53, 55 and IC54-11, and produces nine bits X address data at display time. IC54-11 sets the horizontal counter to 1/384 divider.

.

.....,.

29) Vertical Counter

The vertical counter consists of ICSS, S6 and ICS4-3, 6 and produces nine bits

Y address data at display time. ICS4-3, 6 set the vertical counter to 1/26 divider.

30) Horizontal and Vertical Synchronizing Pulse Generator

ICS7-14 produces the horizontal synchronizing pulse from the outputs of the horizontal counter. ICS7-14 output is inverted by IC49-10 and IC49-10 output is fed to the CRT display. ICS8-9 produces the vertical synchronizing pulse from the outputs of the vertical counter. ICS8-9 output is inverted by IC49-8 and IC49-8 output is fed to the CRT display. ICS9 produces the horizontal blanking pulse on

ICS9-4, the video RAM writing pulse on ICS9-7, the vertical blanking pulse on

ICS9-9, and the SHM gate pulse on ICS9-13.

31) SHM Generator

~ ICSO, Sl produce the SHM line on the CRT screen. The SHM will be generated

; when the proper XY address and unblanking signals are present at the input to ICSI

Pins 3 and 4.

32) 90-Second Timer

IC33-6 changes 0 to 1 after approximately 90 seconds from setting the

OPERATE switch to STBY. At the same time, the READY lamp (CD401) glows.

33) SHM Mixing, Blanking Gate

The video pulse is fed to IC63-S and the SHM pulse is fed to IC63-4. Mixed output appears on IC63-6 and is gated by the blanking gate IC64-6 and IC64-3.

34) Video Buffer

IC64-6 output pulse amplitude is controlled by IC64-8 and IC64-11 and fed to TR13 emitter follower. TR13-E output is fed to the CRT display via the intensity adjust RV4.

3S) Display PCB

The display printed circuit board contains the vertical deflection circuit IC40 1, the horizontal deflection circuit QSO I, IC40 1, QS02, QS03 the blanking circuit Q401,

Q402 and the power supply circuit TS02, DS03, DS06, DS04.

IC40 I operates as the vertical oscillator, the vertical deflection coil driver, and the horizontal oscillator. IC40 1-9 output is fed to the horizontal driver QS02 and QS02-C output is fed to the horizontal output QS03 via TSO 1. QS03-C drives the horizontal deflection coil and the flyback transformer TS02.

The horizontal and vertical blanking pulses are mixed and amplified by Q401 and Q402. Q402-C output is fed to the video AMP Q20S-E in the video PCB.

36) Video PCB

The video amplifier Q20S and Q206 form a cascade connected amplifier to amplify the video signals of the video buffer output. Q206-C output is fed to the CRT cathode.

6-23

6-24

37) Control Panel Circuit PCB

The control panel circuit PCB contains the RANGE switch data hold circuit with

LED indicators and RAIN CLUTTER, IR, BRIL, SHM MARKERS control data generator circuits with RAIN CLUTTER and IR LED's. IC 1 holds the range data and drives LED indicator. IC2 changes the range data into three bits binary data.

IC3 is a chattering free circuit controlled by the latching pulse of IC6-8. RAIN

CLUTTER signal on IC3-5 and IR signal on IC3-7 are fed to IC4 (dual FF). IC4 output produce ON and OFF control signal alternately every input signal. BRIL signal-on IC3 -12 and SHM MARKERS signal on IC15 are fed to IC5 and change to two bits control data. IC6-4 and IC6-6 are used to initialize the control data.

38) Power Supply

The power supply circuit is designed to provide the various power output for the whole radar from nominal ship's mains of 12 V, 24 V or 32 V de. The power supply circuit consists of the switching type AVR, the converter, the control circuit, and the rectifier circuits. The basic circuit of the power supply for 12V and 24/32V operation is shown in Figure 6-9.

TR501 L501 T401

TR 502

1

24/32V

Input

+

CI6 j EI

L501

C0501

Ed

Cont ro I

Circuit

+

CI

E2

TR503

T401

TR 502

12 V

1

Input

+

CI6

EI

TR501

Esw

1

Control

Circuit

+

CI

E2

FIG. 6-9 THE BASIC CIRCUIT

(A) For Step Down Operation

While the transistor switch is ON, power is fed to the load (the converter circuit) via an inductor L501. During the OFF time, the charged energy in the inductor is continuously fed to the load via a diode CD501. If these switch, times are denoted by Ton and Toff, the voltage across the diode Ed is such as shown in

Figure 6-10.

Its peak value is equal to the supply voltage E 1.

Ed = E1

Output Voltage = E2

> - - - - Toff - - - _

FIG. 6-10 ACROSS VOLTAGE OF THE DIODE

Therefore, the output voltage E2 is given by the average of the supply voltage.

Consequently, the output voltage is described by the following equation:

E2 =

Ton

Ton + Toff

El

Therefore, the output is held at a constant voltage by varying the switching time ratio according to the supply voltage.

6-25

6-26

(B) For Step Up Operation

While the transistor switch is ON, energy is sufficiently charged into the inductor.

During the OFF time, the charged energy in the inductor is added on the supply voltage, and is fed to the load and capacitor CI via diode COSO 1.

While the switch is ON, the capacitor continuously feeds the power to the load; therefore, the output is held to the constant voltage. Voltage across transistor switch ESW is shown in Figure 6-11. Its peak value is equal to the output voltage

E2.

",

Therefore, the supply voltage is given by the time average of the output voltage,

Esw = E2

Toff - - _ Ton _ _

-I

Supply Voltage = E1

----~-

.....

-

FIG. 6-11 ACROSS VOLTAGE OF THE TRANSISTOR SWITCH

Consequently, the output voltage is described in the following equation:

E2

=

Ton +

Toff

Toff

El

The constant output voltage is obtained by the same manner as for step down operation.

(C) Converter

TR2 and TR3 are the transistor switches, and the complementary squarewaves are fed to TR2-B and TR3-B. The 3000 Hz squarewave appears on the primary windings of T401. The secondary outputs of T40 1 are fed to the rectifier circuits.

(D) Control Circuit

IC2 drives the converter TR2, TR3 and AVR control TR3. The switching frequency is determined by C8 and R16. The 3000 Hz squarewave is superimposed on the reference voltage of IC1-6. This reference voltage is fed to IC1-5 and

'the output voltage is fed to ICl-4 via the AVR ADJ RV1. These two voltages are compared in ICl: the output pulse appears on ICl-9. This output pulse controls the transistor switch via two stage drivers. The regulated output is adjusted to l7V by RV1.

(E) Rectifier Circuits

The +330V, +12V, +5V, -5V are produced in this circuit and fed to display unit and scanner unit.

(F) HV Protection Circuit

This circuit is provided to prevent a short circuit of the power supply when the

SCR (Modulator circuit) is continuously held in a conductive condition.

IC3-2 triggers on a negative-going signal when HV voltage (+330V) reaches

+170V (voltage of IC3-2 reaches +4V). Once triggered, the IC3-3 is held +12V until the set time has elapsed. The duration of the set time is given by

T

=

1.1 x (R22) x (C14) and is about 1 sec.. As a result, Kl is OFF and the power supply circuit and the modulator circuit are separated.

6-27

SECTION 7

PARTS LIST

7.1

ELECTRICAL PARTS LIST

7.2

MECHANICAL PARTS LOCATION LIST

7-1

REF.

A101

A102

C101

C102

M101

MIl01

P201

P301

PS201

PS301

PT201

PT301

R101

S101

S102

TB1

1200 SCANNER UNIT TYPE M89362

TYPE

H-6AJRDOOOOI

NJS6918

ECE-B1ES102

ECQ-V051 03JC

MP.EM00133A

SR-1 FM4.9 x 4.9 x 6

PCN6-lOS-2.5C

PCN6-lOS-2.5C

PCN6-LOCK(D)

PCN6-LOCK(D)

PCN6-2226CF

PCN6-2226CF

ERX-2ANJ4R7

S-116

Type; RS-1, NO

KH4105-20P

MAIN CHASSIS TYPE cac

-177

DESCRIPTION

CIRCULATOR

DIODE LIMITER

25VlOOO~F

2W 4.7 OHM

20P

JRC PIN

6AJRDOOOOI

5EZAA00005

5CEAA01409

5CRAA00337

MPEM00133A

5MPABOOOOI

5JDAA00154

5JDAA00154

5JDAA00170

5JDAA00170

2911101001

2911101001

5REAG00049

5SAABOOOO2

5SJAC00003

5JTDK00003

RAYTHEON PIN

984929-145

984929-142

984929-142

984929-231

984929-231

587922-2

REF.

V201

TYPE

M1315

TRANSMITTER CHASSIS TYPE CNM - 70

DESCRIPTION

MAGNETRON

JRC PIN

5VMAA00023

RAYTHEON PIN

981957-12

REF.

C1

C8

C9

C10

C11

COl

CO2

CD3

C2

C3

C4

C5

C6

C7

CD4

CD5

CD6

CD7

CD8

CDS3

MODULATOR PCB ASSEMBLY (PC201) TYPE CNM -71

TYPE

DD31-2B472K500V02

ECQ-V054 73JC

ECE-A1 CS470

ECW-H6H153JC

ECW-H6H153JC

ECW-H6H153JC

ECQ-V05104JC

ECE-A1CS470

ECE-A1CS470

ECQ-V051 04JC

DD31-2B472K500V02 lS1832

V05J

S6080B

U05J

V06C lS1588

V05J

HVR-3H

HS-UC-45-24-AN-0

DESCRIPTION

500V 4700PF

16V 47~F

0.015~F

0.015~F

0.D15~F

50V O.1~F

16V 47~F

16V 47~F

50V O.1~F

500V 4700PF

800V 2.5A

800V 2.5A

800V 2.5A

JRC PIN

5CBAB00406

5CRAA00336

5CEAA01342

5CRAAOO085

5CRAAOO085

5CRAAOO085

5CRAA00334

5CEAA01342

5CEAA01342

5CRAA00334

5CBAB00406

5TXADOO173

5TXAEOO069

5TZAD00201

5TXAEOO069

5TXAEOOO16

5TXADO0040

5TXAEOO069

5TXANOO056

5ZKAFOOO17

RAYTHEON PIN

981957-4

981957-4

981957-4

587922-209

587922-8

587922-8

587922-55

587922-8

7-2

PIN

N

R1

R2

R3

R4

RS

R6

REF.

1201

K1

Ll

L2

L3

L4

PC201

R7

R8

R9

II

TR1

TYPE

PCN6-10PA-2.5DS

Type; RL, DC12V

H-6LZRDOO04S

EJOO-6LCRDOOO 10

H-6LCRDOOO08

H-6LCRDOOO 18A

H-6PCRDOOS34

ERD-2SPJ100

ERD-2SPJ102

ERD-2SPJ471

'ERG-1ANJ470

ERD-2SPJ100

ERX-2ANJ4R7

ERX-2ANJ4R7

ERX-2ANJ3R9

ERG-2ANJ470

H-6 LPRD00041A

2SC1212AB

DESCRIPTION

CHOKE COIL

1/4W 10 OHM

1/4W 1KOHM

1/4W 470 OHM

1W 47 OHM

1/4W 10 OHM

2W 4.7 OHM

2W 4.7 OHM

2W 47 OHM

JRC PIN

SJDAAOO06S

SKLAPOOO04

6LZRDOO04S

6LCRDOOO10

6LCRDOOO08

6LCRDOOO18

6PCRDOOS34

SRDAAOl178

SRDAAOl181

SRDAA011SS

SREAG001S1

SRDAAOl178

SREAGOO049

SREAGOO049

SREAG00903

5REAGO003 5

6LPRDOO041

STCAAOO137

RAYTHEON PIN

981957-6

981957-7

981957-8

981957-9

1037139-4

981957-11

587922-208

REF,

A301

C0301

C0302

P2

P3

P4

PS

P6

RC301

TYPE

NJS7901B

1N23E

1N23ER

60789-2

60789-2

60789-2

60789-2

60789-2

H-6ATRDOOOOSA

RECEIVER CHASSIS TYPE CGH - 75

DESCRIPTION

GUNN OSc.

JRC PIN

SENAC00018

STXAJ00009

STXAJ00010

5JWAH00086

SJWAH00086

SJWAH00086

SJWAH00086

SJWAH00086

6ATRDOOOOS

RAYTHEON PIN

981957-13

322-1001P6

322-1001P7

981957-90

C8

C9

ClO

C11

C12

C13

C14

CIS

C4

CS

C6

C7

REF.

C1

C2

C3

TYPE

DD106B222KSOV02

DD106B222KSOV02

DD106B222KSOV02

ECQ-VOS1 03JC

ECQ-VOS103JC

DD106B222KSOV02

DOl OSSLl011SOV02

DD106B222KSOV02

DD106B222KSOV02

DD106B222KSOV02

ECE-A1CS330

DOl 04SL220JSOV02

DD106B222KSOV02

DD106B222KSOV02

DOl 06B222KSOV02

RECEIVER PCB ASSEMBLY (PC301) TYPE CAE - 160

DESCRIPTION

SOV

SOV

SOV

SOV

SOV

SOV

SOV

SOV

2200PF

2200PF

2200PF

2200PF

100PF

SOV 2200PF

SOV 2200PF

SOV 2200PF

16V 33j1F

SOV 22PF

2200PF

2200PF

2200PF

JRC PIN

SCBAB00303

SCBAB00303

SCBAB00303

SCRAA00337

SCRAA00337

SCBAB00303

SCAAA01101

SCBAB00303

SCBAB00303

SCBAB00303

SCEAA01340

SCAAA01093

SCBAB00303

SCBAB00303

SCBAB00303

RAYTHEON PIN

1033012-93

1033012-93

1033012-93

1033012-93

1033012-93

1033012-93

1033012-93

1033012-93

1033012-93

1033012-93

7-3

REF.

C16

C17

C18

C19

C20

C21

C22

C23

C24

C25

C26

C27

C28

cm

CD4

CDS

CD6

CD7

CD8

CD9

12

13

14

15

16

1301

CDlO

CDlI

CD12

CVl

ICI

IC2

Ll

L2

L3

L4

L5

R6

R7

R8

R9

RIO

Rll

R12

R13

R14

R15

R17

R18

R19

L6

PC301

Rl

R2

R3

R4

R5

7-4

TYPE

ECE-AICS330

DD104SL2201 50V02

DD106B222K50V02

DD106B222K50V02

ECE-AICS330

DDI06B222K50V02

ECE-AICS330

ECE-AIESI00

ECQ-V051031C

ECE-AICS221

ECE-AIES100

DDl 06B222K50V02

DD106B222K50V02 lS1588 lS1588 lS1588

IS1588

IS1588 lK34A

V06C

V06C

V06C

V06C

ECV-1 ZW20X53N

TA7124P

UPC596C

171255-1

171255-1

171255-1

171255-1

171255-1

PCN6-10PA-2.5DS

LF4-8R2K

LF4-8R2K

SP0408-R68K

SP0406-1 ROK

SP0406-1R5K

SP0406-2R2K

H-6PCRD00533

ERD-25PJ221

ERD-25P1221

ERD-25P1332

ERD-25PJl22

ERD-25P1391

ERD-25P1561

ERD-25PJ220

ERD-25P1220

ERD-25PJl02

ERD-25P1621

ERD-25P1621

ERD-25PJ272

ERD-25PJl82

ERD-25PJ220

ERD-25P1220

ERD-25P1561

ERD-25PJl04

ERD-25PJlOO

DESCRIPTION

16V 33tLF

50V 22PF

50V 2200PF

50V 2200PF

16V 33tLF

50V 2200PF

16V

25V

33tLF

10tLF

16V 220tLF

25V IOtLF

50V 2200PF

50V 2200PF

MAX 20PF

8.2tLH

8.2tLH

0.68tLH

1.0tLH

1.5tLH

2.2tLH

1/4W 220 OHM

1/4W 220 OHM

1/4W 3.3KOHM

1/4W 1.2K OHM

1/4W 390 OHM

1/4W 560 OHM

1/4W 22 OHM

1/4W 22 OHM

1/4W 1KOHM

1/4W 620 OHM

1/4W 620 OHM

1/4W 2.7KOHM

1/4W 1.8K OHM

1/4W 22 OHM

1/4W 22 OHM

1/4W 560 OHM

1/4W lOOK OHM

1/4W 10 OHM

JRC PIN

5CEAA01340

5CAAAOI093

5CBAB00303

5CBAB00303

5CEAA01340

5CBAB00303

5CEAA01340

5CEAA01348

5CRAA00337

5CEAA01'338

5CEAA01348

5CBAB00303

5CBAB00303

5TXADOO040

5TXAD00040

5TXAD00040

5TXAD00040

5TXADOO040

5TXCHOOOOI

5TXAEOOO16

5TXAEOOO16

5TXAEOOO16

5TXAEOOO16

5CVACOOO06

5DAADOO036

5DAAAOO041

BRTEOO046

BRTEOO046

BRTEOO046

BRTEOO046

BRTEOO046

5JDAAOO065

5LCABOO032

5LCABOO032

5LCACOO 174

5LCACOO173

5LCACOO156

5LCACOO154

6PCRDOO533

5RDAA01182

5RDAA01182

5RDAA01168

5RDAA01142

5RDAA01239

5RDAA01240

5RDAA01217

5RDAA01217

5RDAA01l81

5RDAA01241

5RDAA01241

5RDAA01171

5RDAA01163

5RDAA01217

5RDAA01217

5RDAA01240

5RDAA01162

5RDAA01178

RAYTHEON PIN

1033012-93

1033012-93

1033012-93

984929-142

1037139--5

1033012-93

1033012-93

587922-55

587922-55

587922-55

587922-55

587922-55

588114-31

588114-31

588114-31

588114-31

981957-244

981957-14

981957-15

981957-232

981957-232

981957-232

981957-232

981957-232

981957-228

981957-228

984929-260

REF.

R20

R21

R22

R23

TPI

TP2

TP3

TR1

TR:

N REF.

R20

R21

R22

R23

TP1

TP2

TP3

TR1

TR2

TYPE

ERD-25PJ471

ERD-25PJ100

ERD-25PJ104

ERD-25PJ822

171255-1

171255-1

171255-1

2SC1855

2SA1015-Y

",

DESCRIPTION

1/4W 4700HM

1/4W 10 OHM

1/4W lOOK OHM

1/4W 8.2KOHM

JRC PIN

5RDAAOl155

5RDAAOl178

5RDAAOl162

5RDAAOl149

BRTEOO046

BRTEOO046

BRTEOO046

5TCAAOO134

5TAAGOO070

RAYTHEON PIN

981957-232

981957-232

981957-232

984929-35

1034286-88

7-5

REF.

P404

N05

P411

P412

P505

PT404

PT405

PT505

RV401

WI

WZ1

1200 DISPLAY UNIT TYPE M89361

MAIN CHASSIS TYPE CML - 139

TYPE

172142-6

172142-6

60789-2

60789-2

172142~.()

170369-1

170369-1

170369-1

RPFlOSA15S200 OHM KK

H-6ZCRDO0086

H-6WZRD00002

DESCRIPTION

6P

6P

6P lOW 200 OHM

DT-0902XU

JRC P!N

5JWAH00448

5JWAH00448

5JWAH00086

5JWAH00086

5JWAH00448

5JWAH00438

5JWAH00438

5JWAH00438

5RPAB00206

6ZCRDO0086

6WZRD00002

RAYTHEON P!N

REF.

C9

ClO

CI1

C12

C13

C14

C15

C16

C17

C18

C1

C2

C3

C4

C5

C6

C7

C27

C28

C29

C30

C31

C32

C33

C34

C3S

C19

C20

C21

C22

C23

C24

C25

C26

7-6

MAIN CONTROL PCB (PC401) ASSEMBLY TYPE CMC - 259

TYPE

ECE-A1CS330

ECE-A1CS330

ECE-A1CS330

ECE-A1HS010

ECQ-V05103JC

ECE-A1CS330

DDl07SL22IJ50V02

ECE-A1ES100

DD107SL33IJ50V02

ECE-A1CS330

ECE-A1HSOlO

ECE-A1CN100S

ECE-A1CS330

ECE-A1CS330

FK20YSV1 H104Z

DD106SLl51150V02

DD106SL151J50V02

ECE-A1CS330

501N5002 102K1

501N5002102K1

DD104B221K50V02

ECQ-V051 04J C

DDl07SL22IJ50V02

ECQ-V05683JC

ECQ-V05333JC

501N5002222K1

501N5002332K1

DDl05SLlOIJ50V02

ECE-A1CS330

FK20Y5V1H104Z

ECE-A1CS101

221M3502225MS

FK20Y5V1HI 04Z

FK20Y5V1H104Z

DESCRIPTION

16V 33J..!F

16V 33J..!F

16V 33J..!F

50V 1J..!F

16V 33J..!F

50V 220PF

25V 10J..!F

SOV 330PF

16V 33J..!F

SOV 1J..!F

16V lOJ..!F

16V 33J..!F

16V 33J..!F

SOV 150PF

SOV 1S0PF

16V 33J..!F

50V 0.00 1J..!F

50V O.OOlJ..!F

50V 220PF

50V O.lJ..!F

50V 220PF

50V 0.0022J..!F

50V 0.0033J..!F

50V

16V

16V

100PF

33J..!F

100J..!F

35WV 2.2J..!F

JRC P!N

5CEAA01340

5CEAA01340

5CEAAO 1340

5CEAA01366

5CRAA00337

5CEAA01340

5CAAA01105

5CEAA01348

5CAAA01106

5CEAA01340

5CEAA01366

5CEAA01243

5CEAA01340

5CEAA01340

5CBAEOO157

5CAAA01103

5CAAA01103

5CEAA01340

5CRACOOO03

5CRACOOO03

5CBAB00401

5CRAA00334

5CAAA01105

5CRAA00338

5CRAA00339

5CRACOOO05

5CRACOOO06

5CAAA01101

5CEAA01340

5CBAEOO157

5CEAA01335

SCSAC00644

5CBAEOO157

5CBAEOO157

RAYTHEON P!N

984929-157

984929-157

984929-180

984929-212

1033012-101

::.:.

;

:'!

··".;··:,;8

,,;>:,

REF.

C44

C45

C46

C47

C48

C49

C50

C51

C36

C37

C39

C40

C41

C42

C43

C52

C53

C54

C55

C56

C57

C58

C59

C60

C61

C62

C63

C64

C65

CD2

cm

CD4

CD5

IC2

IC3

IC4

IC5

IC6

IC7

IC8

IC9

ICI0

IClI

IC12

IC13

IC14

IC15

CD6

CD7

CD8

CD9

COlO

CVl

ICI

[C16

[Cl7

IC18

TYPE

FK20Y5VlHI04Z

FK20Y5VlHI04Z

FK20Y5V lH 104Z

FK20Y5VIHI04Z

FK20Y5VIHI04Z

FK20Y5VIHI04Z

FK20Y5V 1HI 04Z

FK20Y5VIHI04Z

FK20Y5V 1H 104Z

F¥20Y5V1H104Z

FK20Y5V 1HI 04Z

FK20Y5VlH104Z

FK20Y5VIH104Z

FK20Y5Vl H104Z

FK20Y5VlH104Z

FK20Y5V 1H104Z

FK20Y5VIH104Z

DD105SLlOI J50V02

ECE-AICS101

ECQ-V051 03JC

ECQ-V05103JC

501N5002472Kl

ECQ-V05223JC

ECE-AIESI00

501N5002332Kl

501N5002332Kl

ECQ-V051 03JC

FK20Y5V1H104Z

501N5002 102Kl

IN60

IS1588

IS1588

IS1588

IS1588 lS1588

IN60

TLR102A

IS1588

ECR-HA050GI2

NJM4558D

UPC71D

HD74LS164P

HD74LS27P

HD74LSI0P

HD74LSI51P

D2115H-4

HD74LS74AP

HD74LS27P

HD74LS32P

HD74LSI0P

HD74LS08P

HD74LS157P

HD74S00

SN74LS393N

HD74LSI51P

HD74LSOOP

HD74LS161P

DESCRIPTION

50V 100PF

16V 100pF

50V 0.0047pF

25V 10pF

50V 0.0033pF

50V 0.0033pF

50V O.OOlpF

JRC PIN

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CBAEOO157

5CAAA01101

5CEAA01335

5CRAA00337

5CRAA00337

5CRACOOO07

5CRAA00335

5CEAA01348

5CRACOOO06

5CRACOOO06

5CRAA00337

5CBAEOO157

5CRACOOO03

5TXAFOO026

5TXADO0040

5TXADOO040

5TXADOO040

5TXADOO040

5TXADOO040

5TXAFOO026

5TZADOO170

5TXADOO040

5CVACOO076

5DAAFOOO27

5DAAAOO135

5DDAF00352

5DDAF0040 1

5DDAF00288

5DDAF00306

5DDAK00232

5DDAF00407

5DDAF00401

5DDAF00298

5DDAF00288

5DDAF00277

5DDAF00396

5DDAF00228

5DDAL00231

5DDAF00306

5DDAFOO279

5DDAF00353

RAYTHEON PIN

1033012-101

984929-212

984929-212

1032698-197

587922-55

587922-55

587922-55

587922-55

587922-55

1032698-197

984929-23

587922-55

1057704-1

167683-1

981088-1

167684-1

1057704-1

167683-1

157708-1

981088-1

166046-1

165893-1

7-7

IC51

IC52

IC53

IC54

IC55

IC56

IC57

IC58

IC59

IC60

IC34

IC35

IC36

IC37

IC38

IC39

IC40

IC41

IC42

IC43

IC44

IC45

IC46

IC47

IC48

IC49

IC50

IC26

IC27

IC28

IC29

IC30

IC31

IC32

IC33

REF.

IC19

IC20

IC21

IC22

IC23

IC24

IC25

IC61

IC62

IC63

IC64

IC65

IC66

IC67

IC68

IC69

IC70

IC71

IC72

IC73

IC74

IC75

7-8

TYPE

HD74LS161P

HD74LS10P

HD74LS123P

HD74LS74AP

HD74LS27P

HD74LS08P

HD74LS153P

HD74LSlOP

HD74LS161P

HD74LS279P

HD74LS10P

HD74LS11P

HD74LS95BP

HD74LS32P

HD74LS09P

UPD416C-2

UPD416C-2

UPD416C-2

UPD416C-2

HD74LS153P

HD74LS153P

HD74LS153P

HD74LS153P

HD74LS139P

HD74LS08P

HD74LSOOP

HD74LS16JP

SN74LS393N

HD74LS20P

HD74LS08P

HD74LS151P

TA7326P

HD74LS14P

HD74LS74AP

HD74LS74AP

SN74LS393N

SN74LS93N

HD74LS86P

HD74LS86P

HD74LS86P

H-6DLRDOOO04

HD74LS151P

HD74LS11P

HD74LS191P

HD74LS191P

HD74LS191P

HD74LS191P

HD74LS04P

HD74LS02P

HD74LS11P

HD74LS161P

HD74LS161P

HD74LSOOP

HD74LS107P

SN74LS393N

HD74LS138P

HD74LS138P

DESCRIPTION JRC PIN

5DDAF00353

5DDAF00288

5DDAF00354

5DDAF00407

5DDAF00401

5DDAF00277

5DDAF00307

5DDAF00288

5DDAF00353

5DDAF00353

5DDAL00231

5DDAF00286

5DDAF00277

5DDAF00306

5DAADOO071

5DDAF00294

5DDAF00407

5DDAF00407

5DDAL00231

5DDALOO173

5DDAF00282

5DDAF00282

5DDAF00282

6DLRDOOO04

5DDAF00306

5DDAF00292

5DDAF00417

5DDAF00417

5DDAF00417

5DDAF00417

5DDAF00278

5DDAF00289

5DDAF00292

5DDAF00353

5DDAF00353

5DDAFOO279

5DDAF00280

5DDAL00231

5DDAF00409

5DDAF00409

5DDAF00412

5DDAF00288

5DDAF00292

5DDAF00493

5DDAF00298

5DDAF00391

5DDACOO118

5DDACOO118

5DDACOOl18

5DDACOO118

5DDAF00307

5DDAF00307

5DDAF00307

5DDAF00307

5DDAF00305

5DDAF00277

5DDAF00279

RAYTHEON PIN

165893-1

167683-1

1057701-1

167684-1

1057704-1

157708-1

167683~1

165893-1

165893~1

157708-1

981088-1

1057706-1

167684-1

167684-1

167685-1

981088-1

1057707-1

167682-1

1033924-1

1057707-1

165893-1

165893-1

166046-1

981084-1

981084-1

167683-1

1057707-1

981083-1

157708-1

166046-1

N TYPE

HD74LSOOP

HD74LS04P

HD74LS123P

HD74LS74AP

HD74LS08P

FKP-15ML

FKP-15ML

1-171825-2

171825-6

..

171825-6

FFC-5AMEP

171825-8

LFI-I00K

DlC130

H-6PCRD00540C

ERD-25P1472

ERD-25PJI02

ERD-25PJIOO

ERD-25P1361

ERD-25P1473

ERD-25PJ222

ERD-25P1470

ERD-25P1471

ERD-25P1331

ERD-25PJ221

ERD-25P1680

ERD-25PJI02

ERD-25PJ222

ERD-25PJI03

ERD-25PJIOI

ERD-25PJI02

ERD-25PJI02

ERD-25P1332

ERD-25PJI02

ERD-25P1560

ERD-25PJI52

ERD-25PJ222

ERD-25PJ222

ERD-25P1333

ERD-25PJI 03

ERD-25P1681

ERD-25P1331

ERD-25P1471

ERD-25P1470

ERD-25P1473

ERD-25PJ223

ERD-25P1470

ERD-25PJ221

ERD-25PJIOI

ERD-25PJ222

ERD-25P1471

ERD-25P1331

ERD-25P1331

ERD-25PJI03

ERD-25PJIOI

ERD-25PJI02

ERD-25PJI02

REF.

R12

R13

R14

R15

R16

R17

R18

R6

R7

R8

R9

RIO

Rll

PC401

Rl

R2

R3

R4

R5

IC76

IC77

IC78

IC79

IC80

JI

12

13

14

15

16

17

Ll

P6

R28

R29

R30

R31

R32

R33

R34

R35

R36

R37

R38

R39

R40

R41

R42

R19

R20

R21

R22

R23

R24

R25

R26

R27

DESCRIPTION

IOIlH

1/4W 4.7KOHM

1/4W lKOHM

1/4W 10 OHM

1/4W 360 OHM

1/4W 47KOHM

1/4W 2.2KOHM

1/4W 47 OHM

1/4W 470 OHM

1/4W 330 OHM

1/4W 220 OHM

1/4W 68 OHM

1/4W lKOHM

1/4W 2.2KOHM

1/4W 10K OHM

1/4W 100 OHM

1/4W lKOHM

1/4W lKOHM

1/4W 3.3KOHM

1/4W lKOHM

1/4W 56 OHM

1/4W I.5K OHM

1/4W 2.2KOHM

1/4W 2.2KOHM

1/4W 33KOHM

1/4W 10K OHM

1/4W 680 OHM

1/4W 330 OHM

1/4W 470 OHM

1/4W 47 OHM

1/4W 47KOHM

1/4W 22KOHM

1/4W 47 OHM

1/4W 220 OHM

1/4W 100 OHM

1/4W 2.2KOHM

1/4W 470 OHM

1/4W 330 OHM

1/4W 330 OHM

1/4W 10K OHM

1/4W 100 OHM

1/4W lKOHM

1/4W lKOHM

JRC PIN

5DDAF00279

5DDAF00278

5DDAF00354

5DDAF00407

5DDAF00277

51FAEOOO06

51FAEOOOO6

51WAHOO345

51WAH00268

5JWAH00268

51TCAOO048

51WAHOO126

5LCABOOOO 1

5JJAAOO035

6PCRD00540

5RDAA01l83

5RDAA01181

5RDAA01178

5RD~.A01238

5RD1\A01153

5RDAAOII72

5RDAA01179

5RDAA01l55

5RDAA01151

5RDAA01182

5RDAA01227

5RDAA01l81

5RDAAOII72

5RDAA01146

5RDAA01175

5RDAA01181

5RDAA01181

5RDAA01l68

?RDAA01181

5RDAA01225

5RDAA01160

5RDAAOII72

5RDAAOII72

5RDAA01180

5RDAA01146

5RDAA01242

5RDAA01151

5RDAA01l55

5RDAA01179

5RDAA01l53

5RDAA01147

5RDAA01179

5RDAA01182

5RDAA01175

5RDAAOII72

5RDAA01l55

5RDAA01l51

5RDAA01151

5RDAA01146

5RDAA01175

5RDAA01181

5RDAA01181

RAYTHEON PIN

166046-1

167682-1

1057701-1

167684-1

157708-1

7-9

R78

R79

R80

R81

R82

R83

R73

R74

R75

R76

R77

R65

R66

R67

R68

R69

R70

R71

R72

R58

R59

R60

R61

R62

R63

R64

R51

R52

R53

R54

R55

R56

R57

REF.

R43

R44

R45

R46

R47

R48

R49

R50

RV2

RV3

RV4

RV5

TRI

TR2

TR3

TR4

TR5

TR6

TR7

TR8

TRIO

TRl1

TR12

7-10

TYPE

ERD-25PJ472

ERD-25PJ102

ERD-25PJ223

ERD-25PJ221

ERD-25PJ474

ERD-25PJ471

ERD-25PJ222

ERD-25PJ332

ERD-25PJI02

ERD-25RJI02

ERD-25PJI02

ERD-25PJ332

ERD-25PJ332

ERD-25PJ222

ERD-25PJ472

ERD-25PJI02

ERD-25PJ470

ERD-25PJ471

ERD-25PJ471

ERD-25PJI02

ERD-25PJI02

ERD-25PJ472

ERD-25PJ471

ERD-25PJII2

ERD-25PJI02

ERD-25PJI02

ERD-25PJI52

ERD-25PJI02

ERD-25PJ470

ERD-25PJI00

ERD-25PJ4 71

ERD-25PJ471

ERD-25PJ471

ERD-25PJ683

ERD-25PJI04

ERD-25PJ222

ERD-25PJ332

ERD-25PJ470

ERD-25PJ471

ERD-25PJ470

ERD-25PJ471

3321P-I-102

3321P-I-102

3321P-I-102

3321P-I-I02

2SA1015-Y

2SC1815-Y

2SA1015-Y

2SC1815-Y

2SA1015-Y

2SC1815-Y

2SC1815-Y

2SC1815-Y

2SCl815-Y

2SC1815-Y

2SC1815-Y

DESCRIPTION

1/4W 4.7K OHM

1/4W lKOHM

1/4W 22K OHM

1/4W 220 OHM

1/4W 470K OHM

1/4W 470 OHM

1/4W 2.2K OHM

1/4W 3.3K OHM

1/4W lKOHM

1/4W lKOHM

1/4W lKOHM

1/4W 3.3K OHM

1/4W 3.3K OHM

1/4W 2.2K OHM

1/4W 4.7K OHM

1/4W lKOHM

1/4W 47 OHM

1/4W 470 OHM

1/4W 470 OHM

1/4W lKOHM

1/4W lKOHM

1/4W 4.7K OHM

1/4W 470 OHM

1/4W UK OHM

1/4W lKOHM

1/4W lKOHM

1/4W I.5K OHM

1/4W lKOHM

1/4W 47 OHM

1/4W 10 OHM

1/4W 470 OHM

1/4W 470 OHM

1/4W 470 OHM

1/4W 68K OHM

1/4W 100KOHM

1/4W 2.2K OHM

1/4W 3.3K OHM

1/4W 47 OHM

1/4W 470 OHM

1/4W 47 OHM

1/4W 470 OHM lKOHM lKOHM lKOHM lKOHM

JRC PIN

5RDAA01183

5RDAA01181

5RDAA01147

5RDAA01182

5RDAA01187

5RDAAO 1155

5RDAAOII72

5RDAA01168

5RDAA01181

5RDAA01181

5RDAA01181

5RDAA01168

5RDAA01168

5RDAAOII72

5RDAA01183

5RDAA01181

5RDAA01179

5RDAA01155

5RDAAO 1155

5RDAAO 1181

5RDAAO 1181

5RDAA01183

5RDAA01155

5RDAA01170

5RDAA01181

5RDAA01181

5RDAA01160

5RDAA01181

5RDAA01179

5RDAA01178

5RDAA01155

5RDAAO 1155

5RDAAO 1155

5RDAA01265

5RDAA01162

5RDAAO1172

5RDAA01168

5RDAAO 1179

5RDAA01155

5RDAA01179

5RDAA01155

5RMADOO039

5RMADOO039

5RMADOO039

5RMADOO039

5TAAGOO070

5TCAF00219

5TAAGOO070

5TCAF00219

5TAAGOO070

5TCAF00219

5TCAF00219

5TCAF00219

5TCAF00219

5TCAF00219

5TCAF00219

RAYTHEON PIN

1032698-100

1032698-100

1032698-100

1032698-100

1032698-100

1032698-100

1032698-100

1032698-100

REF.

TR13

TR14

TR15

TR16

TR17

Xl

TYPE

2SC1815-Y

2SC1815-Y

2SC1815-Y

2SC1815-Y

2SC1815-Y

H-6XHRDOOO08

DESCRIPTION

6000KHz

JRC PIN

5TCAF00219

5TCAF00219

5TCAF00219

5TCAF00219

5TCAF00219

6XHRDOOO08

RAYTHEON PIN

1032698-100

1032698-100

1032698-100

REF.

S45l

-'.

TYPE

CONTROL PANEL CHASSIS I TYPE CCK - 361

H-6SWRDOOOOl

DESCRIPTION JRC PIN

6SWRDOOOOl

RAYTHEON PIN

REF.

C0401

CD402

RV401

RV402

RV403

S40l

S402

W2

CONTROL PANEL CHASSIS II TYPE CCK - 363

TYPE

TLR144

TLR144

K12130006-20KB

K12130006-5KB

K12l30006-20KB

M2020-N-lK

MB-2011-8K

H-6ZCRD00087

DESCRIPTION

20KOHM

5KOHM

20KOHM

JRC PIN

5TZAD00220

5TZAD00220

5RZBG00026

5RZBG00027

5RZBG00026

5SAAB00370

5SCAA00084

6ZCRD00087

RAYTHEON PIN

REF.

C1

C2

C3

C4

C5

C6

C7

C8

COl

CD2

cm

CD4

CD5

CD6

cm

CD8

CD9

COlO

CDII

C0l2

CqNTROL PANEL PCB (PC402) ASSEMBLY TYPE CCK - 362

TYPE

FK20Y5VlHlO4Z

FK20Y5VlHlO4Z

ECE-AlCSlOl

ECQ-V05103JC

ECE-AlCSlOO

ECE-AlCS100

ECE-A1HS010

ECQ-V05104JC

TLR102A

TLRlO2A

TLRlO2A

TLRI02A

TLR102A

TLR102A

TLRlO2A

TLR102A

TLRI02A lS1588 lS1588 lS1588

DESCRIPTION l6V lOO~F

16V lO~F l6V lOpF

50V l~F

50V O.lpF

JRC PIN

5CBAEOO157

5CBAEOO157

5CEAA01335

5CRAAOO337

5CEAA01334

5CEAA01334

5CEAA01366

5CRAAOO334

5TZADOO170

5TZADOO170

5TZADOO170

5TZADOO170

5TZADOO170

5TZADOO170

5TZADOO170

5TZADOO170

5TZADOO170

5TXADOOO40

5TXADOO040

5TXADOOO40

RA YTHEON PIN

984929-23

984929-23

984929-23

984929-23

984929-23

984929-23

984929-23

984929-23

984929-23

587922-55

587922-55

587922-55

7-11

REF.

ICI

IC2

IC3 lC4

IC5

IC6

11

12

13

14

PC402

PLl

R5

R6

R7

R8

R9

RIO

Rll

R12

TRI

Rl

R2

R3

R4

PL2

PLSI

PLS2

PLS3

PLS4

TYPE

SN74LS273N

HD74LSI0P

HD74LS174P

HD74LS107P

SN74LS393N

TC4069UBP

FHI-12S-2.54DS

FKP-15M

171255-1

171255..,-1

H-6PCRD00554A

Type SF6/6, 12VO.06A

Type SF6/6, 12VO.06A

TS05

TS05

TS05

TS05

IHR-8-1031A

IHR-4-1031A

ERD-25P1221

ERD-25P1471

ERD-25PJI02

ERD-25Pl 102

ERD-25PJI02

ERD-25P1364

ERD-25P1332

ERD-25P1223

ERD-25P1223

ERD-25P1472

2SA1015-Y

DESCRIPTION

15P

10K OHM X8

10K OHM X4

1/4W 220 OHM

1/4W 470 OHM

1/4W lKOHM

1/4W lKOHM

1/4W lKOHM

1/4W 360K OHM

1/4W 3.3K OHM

1/4W 22K OHM

1/4W 22K OHM

1/4W 4.7K OHM

JRC PIN

5DDALOO189

5DDAF00288

5DDAF00285

5DDAF00280

5DDAL00231

5DDAEOO045

51WBSOO099

51FAEOOO05

BRTEOO046

BRTEOO046

6PCRD00554

5WAAB00232

5WAAB00232

5ZFBDOOO03

5ZFBDOOO03

5ZFBDOOO03

5ZFBDOOO03

5RZABOO136

5RZABOO133

5RDAA01182

5RDAA01155

5RDAA01181

5RDAA01181

5RDAA01181

5RDAAOI277

5RDAA01168

5RDAA01147

5RDAA01147

5RDAA01183

5TAAGOO070

RA YTHEON PIN

167183-1

981957-232

981957-232

1032698-96

REF.

C501

C502

C503

CD501

CDS501

F501

FS501

1501

1502

III

JT2

IT3

L501

L502

L503

L504

L505

L506

L507

L508

7-12

POWER SUPPLY CHASSIS (+12 V de) TYPE CMP - 161 - 1

TYPE

CK63YZI03PY500

402M 1003 104K1

402MI003 104Kl

S6K20

AC84

MF60NR-7A

S-N1301

206061-1 lRC25RG-16P

170246-1

170246-1

170246-1

H-6LWRD00034

SN-5

FT4X7-WNI2

FT4X7-WNI2

FT4X7-WNI2

FT4X7-WNI2

FT4X7-WNI2

FT4X7-WNI2

DESCRIPTION

500V 10000PF

100V O.I,uF

100V O.l,uF

GLASS FUSE

4P

JRC PIN

5CBAD00031

5CRAC00273

5CRAC00273

5TXACOO101

5Z1AR00023

5ZFAD00019

5ZFAEOOOOI

51WAH00087

51CAA00222

51WAH00406

51WAH00406

51WAH00406

6LWRDO0034

5MCAB00004

5MBAB00003

5MBAB00003

5MBAB00003

5MBAB00003

5MBAB00003

5MBAB00003

RAYTHEON PIN

984929-220

981957-214

981957-21

..

~

'!N

REF.

L509

L5IO

P403

P501

P517

P518

P519

P520

P521

PC502

PT403

PT501

PT503

PT504

PT506

P503

P504

P506

P511

P512

P513

P514

P515

P516

R501

TR501

TR502

TR503

TRS502

TRS503

TYPE

FT4X7-WN12

FT4X7-WN12

1-172142-2

640250-7

640250-6

640250-4

640250-3

60789-2

60789-2

·,,60789-2

60789-2

60789-2

60789-2

60789-2

60789-2

60789-2

60789-2

60789-2

H-6PCRD00584

170369-1

640706-1

640706-1

640706-1

640706-1

ERD-25PJ470

2SD1148-0

2SD633

2SD633

AC84

AC84

DESCRIPTION

12P

1/4W 47 OHM

JRC P!N

5MBABOOO03

5MBABOOO03

5JWAH00453

5JWAH00312

5JWAH00450

5JWAH00451

5JWAH00452

5JWAHOO086

5JWAHOO086

5JWAHOO086

5JWAHOO086

5JWAHOO086

5JWAHOO086

5JWAHOO086

5JWAHOO086

5JWAHOO086

5JWAHOO086

5JWAHOO086

6PCRD00584

5JWAH00458

5JTANOO020

5JTANOO020

5JTANOO020

5JTANOO020

5RDAAOl179

5TDAEOO126

5TDAEOO053

5TDAEOO053

5ZJAROO023

5ZJAROO023

RAYTHEON P!N

C4

C5

C6

C7

C8

REF.

CI

C2

C3

C9

CIO

C11

C12

C13

C14

C15

Cl6

C17

CI8

C19

C20

POWER SUPPLY PCB (PC501) TYPE CBD - 594

DESCRIPTION TYPE

ECE-T25R682SW

ECE-T25R682SW

ECQ-V05223JC

DD104SLlOOD50V02

ECQ-V054 73JC

DD107SL221J50V02

ECE-AlHSIOl

ECQ-V05103JC

ECE-T16R472SW

ECE-A1CSI02

ECE-A1CSI01

ECE-A2WS4R7

ECQ-V05104JC

ECE-AICS100

ECQ-V05103JC

ECE-AlHSI02

ECQ-V051 04JC

ECQ-V05104JC

ECQ-V05104JC

ECQ-V051 04JC

50V IOPF

50V 220PF

50V 100pF

16V 4700pF

16V IOOOpF

16V 100pF

450V 4.7pF

50V O.lpF

16V 10pF

50V 1000pF

50V O.lpF

50V O.lpF

50V O.1pF

50V O.1pF

JRC P!N

5CEAAOl165

5CEAAOl165

5CRAA00335

5CAAA00830

5CRAA00336

5CAAA01I05

5CEAA01368

5CRAA00337

5CEAA01555

5CEAA01336

5CEAA01335

5CEAA01608

5CRAA00334

5CEAA01334

5CRAA00337

5CEAAOl478

5CRAA00334

5CRAA00334

5CRAA00334

5CRAA00334

RAYTHEON P!N

7-13

CD9

CDIO

CDI1

CDI2

CDI3

11

12

13

J4

J5

CDI4

IC1

IC2

IC3

J6

17

J8

J9

110

111

PC501

R1

R2

R3

R4

R5

R6

R7

R8

R9

RIO

P2

P3

P4

P5

Kl

Ll

L2

PI

P6

P7

P8

112

113

114

115

116

117

118

REF.

C21

C22

CD1

CD2

cm

CD6

CD?

CD8

7-14

TYPE

ECE-A1CSlOO

ECQ-V05104JC

BZ-350

5D2C11

5D2Z11

V06C

V06C

V06C

V06C lS183.7

lS1832

V06C

V06C

V05C

HA17723G

UPC494C

HA17555PS

640388-7

640388-7

640388-6

640388-4

171825-6

640388-3

171255-1

171255-1

171255-1

171255-1

171255-1

171255-1

171255-1

171255-1

171255-1

171255-1

171255-1

171255-1

Type; RL, DC12V

SN10-508A

SC-05-100

60789-2

60789-2

60789-2

60789-2

60789-2

60789-2

60789-2

60789-2

H-6PCRD00544

ERD-25PJ471

ERG-2AN1332C

ERD-25PJ471

ERD-25P1102

ERD-25PJ473

ERD-25PJ222

ERD-25P1102

ERD-25PJ471

ERD-25P1221

ERD-25P1221

7P

7P

6P

4P

3P

DESCRIPTION

16V lOJ./F

50V O.lJ./F

35V 10MA1W

1/4W 470 OHM

2W 3.3K OHM

1/4W 470 OHM

1/4W 1KOHM

1/4W 47KOHM

1/4W 2.2K OHM

1/4W 1KOHM

1/4W 470 OHM

1/4W 220 OHM

1/4W 220 OHM

JRC PIN

5CEAA01334

5CRAA00334

5TXAFOO158

5TXAD00305

5TXAD00306

5TXAEOOO16

5TXAEOOO16

5TXAEOOO16

5TXAEOOO16

5TXADOO173

5TXADOO173

5TXAEOOO16

5TXAEOOO16

5TXAEOO034

5DAAGOOO19

5DAAAOO 136

5DAAGOO028

5JWAH00445

5JWAH00445

5JWAH00446

5JWAH00447

5JWAH00268

5JWAH00442

BRTEOO046

BRTEOO046

BRTEOO046

BRTEOO046

BRTEOO046

BRTEOO046

BRTEOO046

BRTEOO046

BRTEOO046

BRTEOO046

BRTEOO046

BRTEOOO46

5KLAPOOO04

5LLAAOO026

5LGABOOO09

5JWAH00086

5JWAHOO086

5JWAHOO086

5JWAHOO086

5JWAHOO086

5JWAH00086

5JWAHOO086

5JWAHOO086

6PCRD00544

5RDAAOl155

5REAG00799

5RDAAOl155

5RDAA01181

5RDAA01153

5RDAAOll72

5RDAAOl181

5RDAAOl155

5RDAAOl182

5RDAAOl182

RAYTHEON

588114-31

588114-31

588114-31

588114-31

587922-209

587922-209

588114-31

588114-31

5887922-97

984929-41

981957-232

981957-232

981957-232

981957-232

981957-232

981957-232

981957-232

981957-232

981957-232

981957-232

981957-232

981957-232

981957-6

PIN

REF.

R11

R12

R13

R14

R15

R16

R17

R18

R19

R20

R21

R22

R23

R24

R25

RV1

I I

TR1

TR2

TR3

TYPE

ERD-25PJ103

ERD-25PJ103

ERD-25PJ102

ERG-1ANJ102C

ERG-2ANJ471C

ERD-25PJ203

ERG-2ANJ331C

ERG-2ANJ101C

ERD-25PJ683

ERD-25PJ683

ERD-25PJ332

ERD-25PJ104

ERG-2ANJ100C

ERD-25PJ471

ERD-25PJ471

3321N-1-501

H-6LTRD00110

2SA839-0

2SC1212AB

2SC1815-Y

DESCRIPTION

1/4W 10K OHM

1/4W 10K OHM

1/4W 1KOHM

1W 1KOHM

2W 470 OHM

1/4W 20KOHM

2W 330 OHM

2W 100 OHM

1/4W 68KOHM

1/4W 68KOHM

1/4W 3.3K OHM

1/4W lOOK OHM

2W 10 OHM

1/4W 470 OHM

1/4W 470 OHM

500 OHM

JRC P!N

5RDAAOl146

5RDAAOl146

5RDAAOl181

5REAG00800

5REAGOO089

5RDAA01257

5REAGOO044

5REAGOO094

5RDAA01265

5RDAA01265

5RDAAOl168

5RDAAOl162

5REAGOO090

5RDAAO 11 55

5RDAAO 1155

5RMADOOO12

6LTRDOO110

5TAAGOO046

5TCAAOO137

5TCAF00219

RAYTHEON P!N

280-1147-P61

280-1147-P55

280-114791

1033012-114

587922-208

1032689-100

REF.

PI

P2

PLl

PI1

PT2

PI3

WI

TYPE

206060-1

JRC25PG-16S

206062-1

202237-2

202237-2

202237-2

H-2695110006

INTER·UNIT CABLE TYPE CFQ - 1413

DESCRIPTION

4P

1612-57

JRC P!N

5JWAH00375

5JCAA00265

5JWAH00372

5ZJBH00018

5ZJBH00018

5ZJBH00018

269.5110006

RAYTHEON P!N

REF.

V271

IC401

Q202

Q205

Q206

Q401

Q402

Q501

Q502

Q503

D204

D205

D206

D207

0208

D402

CRT DISPLAY ASSEMBLY TYPE H-6WZRD00002

JRC P!N

TYPE

C935P31

J.LPC1379C

2SC711AG/2SC2603G

2SC710D

2SC22290Y

2SC711AG/2SC2603G

2SC1214C/2SC2274E

DESCRIPTION

2SC711AG/2SC2603G

2SC1214C/2SC2274E

2SD823HP lS2076A/1S2471

S5500D/EM-1Z/ERB12-02RK

MZ-424-2A

MZ-424-2A lS2076A/lS2471

S5500D/EM-IZ/ERB12-02RK

RAYTHEON P!N

7-15

REF.

0403

D501

D502

D503

D504

D506

T502

L502

L503

L571

VR201

VR202

VR203

VR401

VR402

VR403

VR502

C514

TYPE

1S2076A/IS2471

RU-3A

RU-3A

RH-1C

TVR-1G/ES-1

RH-IC

334PlO401

335P00501

333P01301

330P08402

B-200

B-5K

B-4M

B-IOK

B-500

B-500

B-500K

25V 7M, BP

DESCRIPTION JRC PIN

RAYTHEON PIN

7.

L(

7-16

PIN

7.2

MECHANICAL PARTS LOCATION LIST

Reference to Fig. 113

Assembly Drawing of M89362 Scanner Unit

21

22

23

24

25

1'26

16

17

18

19

20

11

12

13

14

15

2

3

4

;5

9

10

6

7

8

27

28

'--..,29

30

31

32

33

34

35

36

37

38

39

Location Description Symbol

Radome Assy

Containing of No.2

Nut, Special

Radome

Radiator Assy

Plate

Gear

Ring, Retaining

Bearing

Plate

Shaft

Sems Screw

Screw

Washer, Spring

-

'-

M4 x 12 Brass

M4 x 35 Brass

M4 SUS304

Washer, Plain M4 Brass

Chassis

Chassis

Chassis

Circulater

Diode Limiter

H-6AJ RD00001 A 101

NJS6918

Waveguide, Connection

A102

Waveguide, Connection

Coaxial Rod

Screw M4 x 60 Brass

Sems Screw M5 x 16 Brass

Chassis

Receiver Unit Assy

Consisting of

Cristal Diode 1N23E

Cristal Diode 1N23E R

CD301

CD302

Plate, Spring

Rubber, Clamp

Cristal Cap

Screw, Special

Cover

Plate, Threaded

Sems Screw M3 x 8 Brass

RCV PCB Assy _

Gunn Oscillator

PC301

~NJSj901B-~\

A301

Plate ---------... ----

Modulator Unit Assy

JRC PIN

MPBXl1642

RAYTHEON PIN

MTL027485

MTV002211

1

MPAE00401

MTB049799A

MTT015965

SR I G0l134

GSc

BRGK00072

MTB103571 t

MTH003646 \ .

C

BSNC04012B s

C

BSNK04035B

BSSW04000S

BSFW04000B

MTB106330A

MTB106331A

MTB106332A

6AJRD00001

5EZAA00005

MTM002254

MPAB01237

MTL023552

BRTG01248

1033012-114

BSNC05016B

MTB106337A

MDEM0059~_

:""CC;-~,

--

:fS

5TXAJ00009\.322-1001P6

5TXAJ00010 )322-1001P7

MTD002186 J

MTT006882

MTC000606

MTL005890

MTBl12493A

MTB115068

BSNC03008B

CAE-160

5ENAC00018

MTB106339A

MDMW01075

7-17

Q

Location

55

56

57

51

52

53

54

58

59

43

-

44

45

46

47

48

49

50

40

41

42

Description

Chassis

Chassis

Chassis

Cover

Modulator PCB Assy

Magnetron M1315

Motor

Nut

Plate

M4 Steel

G.

c., ")

SHM Switch RS-l

Toggle Switch Sl16

Switch Cover

Terminal

Screw

Screw

Packing

M4 x 16 Steel

M5 x 10 Steel

Bolt, Special

Seal Washer

O-Ring

Magnet SR-l FM4.9 x 4.9 x 6

Symbol

PC201 -

V201

Ml0l

S102

S101

TB10l

MT10l

JRC PIN

MTB106333A

MTB106334

MTB106335

MTB106336

CMN-71

5VMAAOO023

MPEMOO133A

BSHN04000S

MTB103573A

00003

5SAABOOO02

BRPKOO171

5JTDKOOO03

BRTG02546

BRTG02544

MTT016990A

MTL027493

BRTG02490

BRPK00109

5MPABOOOOl

RAYTHEON PIN wg~~ gJ ~

984929-118

L

7-18

S

Reference to Fig. 114

Assembly Drawing of M89361 Display Unit

!

7

26

27

28

29

30

31

17

18

19

20

21

22

23

24

25

12

13

14

15

16

8

9

10

11

Location

1

2

3

32

33

34

35

36

37

38

39

40

4

5

6

Description

Front Bezel

Cover

Hood Assy

Consisting of

Screw, Special

Washer, Spring M4

Base Assy

Consisting of

Rubber Plate

Spacer

Knob

Washer, Special

Filter

Cursor

Cover

Plate, Retaining

Sems Screw M3 x 8 Brass

Shield Paper

CRT with D.Y,

Shield Spring

PCB

PCB

Washer, Special

Sems Screw M4 x 10 Brass

Plate, Retaining

Switch

Switch Cover

Resistor, Variable

Switch, Push Button

Switch Cover

Knob

Spring, Clamp

Control Panel Assy

Consisting of

Panel Switch

Control Panel PCB Assy

Spacer

Sems Screw M3 x 18 Brass

Chassis

Consisting of

Chassis

Chassis

Plate, Retaining

Plate, Retaining

Symbol

1:~ ~j

.:

.:..

~L'"

JRC PIN

- MPWM00676B

MTV002214

MPOL00651

RAYTHEON PIN

MTL027483

BSSW04000S

MPBC05221

MTT017935

MTV002215

MPHD00618

I

MTD003324A ' .

MTT017024A

MPDA01946B

1

MTV002218A

MTD003415A

BSNC03008B

MTZ001978

CCJ-55

CKJ-45

CKJ-44

MTD003426

BSNA04010B

MTB109453B

S401 5SAAB00370

RV401~403

MTV002222A

S402 5SCAAOO084

MTV002221A

, - '

MPHD00984

BRSROOO77

'fVj6'G'WOO804---

S451

PC402

";"'-~'

-cc

l'~

-''')CL

6SWRDOOO01

CCK-362

MTT006277

BRTG02750

MPBC05185

MTBl15165

MTB115166

MTB109477A

MTB109478A

7-19

Location

41

48

49

50

51

52

53

54

55

56

42

43

44

45

46

47

60

61

62

63

64

57

58

59

65

66

Description

Chassis

Plate, Retaining

Cover

Chassis

Chassis

Cover

Shield Spring

Main Control PCB Assy

Spacer

Packing

Packing

Cover

Cover

Spacer

Charging Choke Coil

Power Supply Unit Assy

Consisting of

Chassis

Power Supply PCB Assy

Cover

Spacer

Radiator

PCB

Connector 206061-1

Connector JRC25RG-16P

Cover

Fuse Holder S-N1301

Symbol

PC401

L501

PC501

PC502

J501

J502

FS501

JRC PIN

MTB109479A

MTB115057

MTB115168A

MTB115040

MTB115167

MTB115041A

MPSR01959

CMC-259

MTL027588

MTT017921

MTT017922

MTB115086

MTB115087

MTL027572

6LWRD0034

MDBW01250

RAYTHEON PIN

981957-21

MTB115227B

MDBW01309

MTB117172

MTL027634

MPTH00724A

5JWAHOO087

5JCAA00222

MTD003410A

5ZFAEOOO01 981957-214

7-20

--

~

~ -.-.

M89362 SCANNER UNIT

WEIGHT APPROX.

9.5 kg

4> 620

<, ~~ in

V"

(T)

,3/8 -16U N C 4 PLACES

40mm DEEP

FORECASTLE

¢:J

INLET

CO MPOSITE CABLE

H -2695110006 (4)12.5MAX)

M89361

DISPLAY UNIT

WEIGHT APPROX. 7.5 kg

MOUNTING

DIMENSIONS

3/0

(T) co

N

~

S-<P7,S En

MOUNTING

DIMENSIONS

~

<

!..1Q.....L...l

CVVS 2X3.5

_

9CONNECTORS

SHIP'S MAINS

DCI2V 6 A

DC24V

DC32V

3 A

2 A

CI)

~

~ o

"l1 c;)

~

I"T1

:JJ h r-

~

~

:JJ

-

(5

::!!

~

NOTES: I. THE DISTANCE BETWEEN THE UNITS AS FOLLOWS.

STANDARD MAXIMUM

SCANNER UNIT TO DISPLAY UNIT 10 m 20 m

2. ELIMINATING THE INTERFERENCE ON FREQUENCIES USED FOR MARINE COMMUNICATIONS

AND NAVIGATION DUE TO OPERATION OF THE RADAR. ALL CABLES OF RADAR ARE TO BE

RUN AWAY FROM THE CABLES OF RADIO EQUIPMENT (EX. RADIOTELEPHONE,

COMMUNICATIONS RECEIVER AND DIRECTION FINDER ETC.!. ESPECIALLY INTER-WIRING

CABLES BETWEEN SCANNER UNIT AND DISPLAY UNIT OF THE RADAR SHOULD NOT BE RUN

PARALLEL WITH THE CABLES OF RADIO EQUIPMENT.

m o

Z

-

."

........

Z

,~--4-

U

Z

:::) co

(f)

W

U

<f

-l

0..

~

(T)

W

--l

CD

« u

!-

W

--l

Z

UNLESS OTHERWISE SPECIFIED

-_._-_.

__ e

.~._"'. .

' .

_._-

...

__

._---- ._--

1; i

T

~

._-_

..

L ERA II CE -

_---

-_ ..

_-

"1

_--

------._----

.': j!

I Sv(

~

.:.;: o

N to

-&

- - - -

1 - - ~

0

II1

N

-&

V

,~ ~Lr' v L v K

- - . _ , - - - -

\VHITC:

FIG.

102

OUTLINE DRAWING OF M89362 SCANNER UNIT

C"1

(1)

N

310

rn

1-

.

IV

I

272

~

N

-

(1)

~II

398

90 100 128

¢=1

CONNECTORS

- 7.5

MOUNTING DIMENSIONS

Cj ~ " ~.

_

COLOR

we __ ,

C , ~ ·, r c :

U v ::.

t-\

---------

WEi _-'IT

M. U i\j ' -' c

_ _ :::r..

y

HU>k:E· _ 5GY8/1

APPFDX.

7.~-

[e;}

.:J

FIG.

103 OUTLINE DRAWING OF M89361 DISPLA Y UNIT

MS9361 0\ S P LA Y UN' T

I - - -

Comnn.-.T,.",.

--

Pulse stretch

-

<:l-o.te

Gene.

Deloy

(onm cct

AdJ) r----r--

Sampling

Clock esc

Mo.inTrig

cren

~

Count

£lawn

~

Sarnpling

Clock select

Buffe't"

Memory Rejecto....

r Video

RAM

Memo,...y

Add.

eountet

--

"W Pulse

Gene

~ fb.l--Se't"

Convet-"ter

~

Fy'wdock

Se.lect

Ad..d.., £hlo..

I - -

Select

1

SHM H.X

Blanking

Ga:te r-

400 Beo.t-ing f--It

PuiseGer!

\

T rousmitter r-

T't"ig, G-e"

Vid.eo

Buffe.r

~

Cleare

Pu.lse Gen

Gnin .STC

...

Mo.yke1'" cct.

~

<:Ten t

-

Beo.t-ing

"

Counte....

-

R9/XY

-

Converter

1

X Ad.d.

~

Counter

Y Ad.d..

Counter

Po.nel

Control

PC B cct

I------

90

4 sec

Timer

' - -

V·Count'er-

-,,....,,

H,V S'(NC

Gel"l t

I

' -

H, Counter

~ -

Master osc

SHM

Gene f

~RTL

L5711-e-

Magnet

I

--r--

--r--

--lf~

VHIEO

PCB

,

,

~

D1SPLAY f -

PCB

' - -

I

,

SCANNER UNIT

MS9362 r

I

,

.

.

RA£ltATOR

SHM sw

-

BCl2.Y

MoTor

M 101

II

-- -

R<J'ti6.R'1'

, rr

> : JO\NI

ENCODE'R

It'G.JtoI

I

I

,---

GUNN osc

A 301

I

I

~

~

CIRCU-

..lATOR

fHOBE

Al02

M1XER

I -

I - -

LlMlTI:R I - C9301 ce302 V201

~

I

A10I

I

I ill

IF AMP MOOU-

LAToR

PC201

I

I

~

DETECTOR

I

I

J

Vlf>EO ccr

L _____

-

RECEIVER

I

I

I

I

I

I

I

I

I

I

I

~

I

I

I

I

I

I

I

I

I

SH I P'S MA\NS

DC:2, 24, 32V

FIG. 104 BLOCK DIAGRAM OF 1200 RADAR

M89361 DISPLAY UN IT

1 • ,

3 ;

@ e

2;

E

0

4

1

6 1

E

MH

11

E

E vo

33

+l2V

+12V

38

G5

E

DP

E

E

PI

10

9

50 8U<

6"RN

BLK _

I--_T

T

-

T

YEL

50 WI-fr

5"0 REf)

BLU

W~T

R£fJ

BRN

.g.

TB10J is used 187 se ....

res Fa..ston

Ta..b

(AMP) shi p'S Mains

£lCt2,24,32V

T

9

50 l-t2695110006

COAXIAL Co.ble

shielding Wire

50/0.18

Vinyl Wite

12/0.18

Vinyl wire

I

.

1

T

M8q 36 2 SCANNER UNIT

TEIOI

.t<.

BLk

BRN

50 REO

MH

E

TI

PI

6

E

I'----~

33

38

BP

E

AI

6'

A2

E

MO

E

32

ElK

6RN

YEL

WHT

BLU

BRN

Blo..c'K

G-l"'een

Ye.llow

White

Blue

Br-own

FIG. 105 INTERCONNECTIONS OF 1200 RADAR

SHIP'S

~1.AJNS

BCf2V

BC.24V

-£)C32V

J501

I

J 501

<+)

!

t'3 (-)

I

NOISE

FILTER

.

F401

...

...-

M839361

.

DISPLAY UNIT

.

.

C16:zl

~+ swrrcH1NG'

ELEMENTS

LI

=.::=-

Zll%+

Cl C2

':I:

:ztT

CONVERla

CIRCUIT

-

"" l/c

5401

AVR

CONTROL

-

CIRCUIT

-

' - - -

OSCIl..L

CIRCUIT

I

~

.

...

......

L...

.....

... +T2V

...-,

J 502 .....

+330V PROTECnON

~

CIRCUIT

~ PWO I PL4.02

JS02

-Sv

+SV

,

TIMER

Q~

CRT

DISPlAY

CIRCUIT-

UNIT

M89 362 sc»

NNE R UN IT

.

I

I:.~

SC

Mmo

I

113101

MH

1

MODULATOR

UNlT

'\

•

TBIOI

6

RECEIVER

UNIT

FIG.

106 POWER SUPPL Y DIAGRAM OF 1200 RADAR

1'201 r-,

I r--j---+-,O r+-.-...<;-----I., 0 I

I

I

1°1

-

L!.QI

• I

I

I

10 1 r+++++-=!o-+I-o:

L....J

COl 151832

I, r-'

I

CI

4700pT

(500V)~

: O!-I -l!-t1"

01

: D-'-+++t--t--t

1 Oi;-++++---'

IOt-+-1-H

ICH-+-I-H

Rl

10

10:0+

L_ .....

TRl

L I

L.

CD5

RI1

3.'/

;2W)

C9

331'

R7

(2W)

MOD U LA_T_O_R_-,P_C_B eN M - 71

MODULATOR CHASSIS CNM-70

TRANSMITTER UNIT CME - 91 ell

4700

T201

CIO

O.'f'

R6

47

(}W)

A 101 AI02

Y;deo

P"lse w,d+h

... i z v ac

E

+

E

330v dc

Th1nsm; ttin

1t

Tr;'1\1er cont...."

TBIO!

E

G S

~;

:H_-I

f-----+--++-+++J

1----::;:=----+--++---1

II

Ga.in - S TC

E

VO I-~T__-----t+---l

3J

Tune

SI-lM

36

O P I - - - - - - , Antenna. Pos;t.on R..tlse

II r

I~TIMT101

I

0>-----1;

S 102

5101

RIOI CIO! CI02r -

4.7!l(2W) lOOflO,o!)l1

MID)

- - - - . ,

,

E

AI

5

A 2

E

MO ll--t=::t===t============-------J

1-_1-

----1

"

I

I

I

I

I

I

E.

32 1------1----------..1

A 301

J4

(P4)

-.

C25

220/-, fH422 r-

11'0

8....

Cl7

22

RI5

2.2

R'2

2.7k

Icaci

TA712AP

R2,3

8.2k

IC302

",PC5'16C

C3

2200 c5

0.01.1'

TR:

2SC'<l55

R10:1:

620 r

,.,J"

RECEIVER PCS CAE-160

C22

33,.,

R21

10

C23

'O/-,

<

Oz u -

RECEIVER

CHASSIS

RECEIVER UNIT CMA 166

CGH- 75

P30J

FIG.

107 CIRCUIT DRAWING OF M89362 SCANNER UNIT

lb

CRT

V271 r - -

L571

IT

I

DISPLAY

SUB PCB

CKJ-45

~

1

1-0 ro ro

I r

HV o

I SPLAY PCB

I=-

C KJ - 4 4

0 0 0 " - . :=J--cirJ

,~

L - -

MAIN CHASSIS cML-13Q

P405

- CONTROL-

401

PAN.ELCH;S~

CCK - 363

W2

J5 1

J 1

'PW2

~

I

--"" PW1

I(

PLR

ON

I

HOLD

I

5402

C0401

TLR144 f.::\

I \81\ I

I

I srar

I

I

I

I

I

I

0

-s, r~

RV401

I

~,

I

I

~ I

I

.

.

~

'-"

~

PL

HLP

TUI

TLIR

OFF

I

I

I

I

I

,

I '

ITUNNING

~

TUNE

I

GAIN

I

RV402

1

'Ok

I

SEA

I

RV403

1

CLUTTER 20 k i t-r-l

1-

J

TUN

I

CCK

-

I

RA

CWT

IN

TER

.c:>

I r :~:"_,l.

~~<>-I-o

I:

I~ I~R~ '"

RS

I

B

~

RA

IlGE

12

8

4

2

R o

1

,5

CON

CHA

•

,

I n.rrr

.25

I i--o 0 -<l

II~

I~G-

I

Ii

'>---<)~o---

-c

-<)

I

I

>-o~o---

I >----0-'-0---

I

~

- ' 1~2-

I

I r--o~

Lo

0 - -

La f-o ro

~ f-o

1-0 ro

TROLLp::E~

SSIS

I

361

J

1

1

20k

CONTROL

PANEL

PC B

PC402

CCK-362

J2

1

I

I

I

I

I

I

~

~

~

0

1-"

J4 Tp412

Wl

-

~

--""

,~

12 15

0

RV401

200

-I

33

1 ~.3

T

0

15

~

0

-

-

~

+12V

GSR

~

SV -

GV

GSS

-

+5V

OPE

15

J2

1

Pl5

R2

Rl

RO

RC

LR

SR)

SRI

SHM

FM

-e sv

E

""12V

~

+

:> >- >-

U)

J:

U1

>

1cF1

06 b

6

W

~

W

I

MAIN

CONTROL

PCB

PC 401

CMC-2S9 o 0 0 0 0 o 0 0

-0>->-

Il: 0:: '"

I

8 J7

Il.I

~ lLl

J4

1

PW2

PWl

+12V

E

"'SV

- SV

6

P404

1

TI

E

38

J3 P403

-

o-P

E 0

CP

E o-W

V[J

E

C.S

E ruN o~

--o-P-

PW

12

10-1----

I

I

I

I

I

I

I

I

I

P505

I

I

I

I

I

1

, r-::

W,,,

S6K2O

TR501

25D\ 148-0

TR502

2SD633Z

~~oo ~

:':,'

I' [ R501

PSOI

II

6 6 0 0

, ., 47

1

JJ

TR503

2SD63JZ

~.

b

J1 Or J2

J5

6

POWER SUPPLY PCB

PC 50 I

CBn 5q4

I

P504

, 1

J4

(

4-

I

I

1 .36-3

C C

P506

J502

, -

L~

-

J "

L

-0

'E

MH

TI

E r

L~

-C

L505

E

VD

33

1.~

6

L~

38

L~

-~

L5O'I

"-'"

'C

4

GS ro

E u..

SP

E

(+12V)

~ -C

.J".

L -

16

E

PI

1'501 e50)

001)4

-T (

[ T \

Jr

CS03

O.1jJ

J501

2

-'+

0

~3-

¢::J SCAN NER

UN IT

POWER SU

CH

CMP -

PPLJ

ASSIS

161

FIG.

108

INTERNAL CONNECTION OF M89361 DISPLA Y UNIT

JI

5

G'v

G'5S

+5V

OF E

0f-

_c>-+l---++'

15

J2

+\.2V

R3 10 ICI 455B

.,.1

"72

10

IC2. !-'PC?I£>

RV2 Rl6

-Sv

1'13

,2-.210:

I'" 110<

J2

+5V

0- -

E

+12V

0-++-t o o

15 css

O.OI"u f

R73

.... 70

CP

E ve

E

&5

E

TUN

P W

12 fi.S2 He o-+j---+-+1-+-++I---~.M, ......

t__"3'lf1

.

e'3 o-++---+----+l!-t r t

~RI~3±

4

IC34o~.~

• a>'----t-+--' lSI4 ,r-..----;...

,:;;~;-k--+-.--' f.'O li cSO rr

10

~~~"

C2S

IO-OIi8P

ICJ4

7

0.022......

10

. : ' "

2C

28

~.

lC78',

I

"",.~ '~'" e_

S

'O}ol.

1Q.~OlJA

"'"

1 C 80

1.508

R75 1.5'23 .::r-;~ ~

1470

I ~))4'

,

.1

CS8

4700 P

470

2

L..

~

<I.

le79

L.

S7.4A

- _ ICS2

~tO~ j'l.

rr

~

PW2

PWI

+12V _

19

eJO c31 CJ2

Ji~

+i

0,1

» roojAo

I "'

T

E

+SV

-5V tl2V o--t

C35 C36C37C38C3?C40C4JCQCiL3 C4".C45'C46 c~

6~±±±±±±±±

04.7

CA.8

C4,CSVcSl CS2 c ss

I

±±±±±l±±± ±f s v

~S3

TOO" e:>4'_ 53

IC50

1.502

~

I

• ~

2

5'

'2

13

50[9.

lC51

1.SI1

Note; TRI. 3.5 oo-e 2SA1GI5-Y

TR2.4.6~ ~o..>-e 2SCISJS-Y

All diod.es

()"l"e

In lSTS88 UnleSS otherwise specified.

AOAI

8

AZA3A4 As

ICB ,., lC9 ICIO ICil

~{)I e l

QI

Ql

5

9

RI7

Ik~'2~

"T 3'

1.-4 t'4

:!:.!!J

~:IO

11~

Y t-----i' 11

L..---..II.

II

6

12 6

~

1.::

~

lC,2

L50B

4

"(IVZ

T

ICI) L515I

..

s

I

,.t{-

".14-

I-"'tA

Z

. IS

~

17 l.SOOA~l.AJ

n

C 1 7

ICIB

!..S161

.,J:tW......

l.!!

,6,9

7

I T

P~'"

IJ

<9

12

.7

10

ICl9 i.s

IS'

1~ r

P

A.

S

""~

....

-.c

1 2

.20

Ac

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