Sharp CD-K449W Service manual

CD-C449W/K449W

SERVICE MANUAL

No.S8875CDC449W/

CD-C449W

CD-K449W

CD-C449W mini component system consisting of

CD-C449W mini component system and

CP-C449 speaker system.

CD-K449W mini component system consisting of

CD-K449W mini component system and

CP-C449 speaker system.

● SRS, the SRS Logo ( ● ) and the Sound Retrieval System are registered trademarks of SRS Labs, Inc. in the United

States.

• In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used.

CONTENTS

Page

SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2

SPECIFICATIONS ............................................................................................................................................................. 3

VOLTAGE SELECTION ...................................................................................................................................................... 3

NAMES OF PARTS ........................................................................................................................................................... 4

OPERATION MANUAL ...................................................................................................................................................... 7

DISASSEMBLY .................................................................................................................................................................. 9

REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 12

ADJUSTMENT ................................................................................................................................................................. 13

NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 17

TYPES OF TRANSISTOR AND LED ................................................................................................................................ 17

WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 18

BLOCK DIAGRAM ........................................................................................................................................................... 19

SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 22

TROUBLESHOOTING ..................................................................................................................................................... 46

FUNCTION TABLE OF IC ................................................................................................................................................ 50

FL DISPLAY ..................................................................................................................................................................... 57

REPLACEMENT PARTS LIST/EXPLODED VIEW

SECTION

KARAOKE CIRCUIT

CD-C449W CD-K449W

This document has been published to be used for after sales service only.

The contents are subject to change without notice.

CD-C449W/K449W

SAFETY PRECAUTION FOR SERVICE MANUAL

WARNINGS

THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER

COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. THEREFORE IT IS

IMPORTANT THAT THE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECT YOUR EYES

AGAINST EXPOSURE TO THE LASER BEAM.

1-WHEN THE CABINET IS REMOVED, THE POWER IS TURNED ON WITDOUT A COMPACT DISC IN POSITION AND THE

PICK-UP IS ON THE OUTER EDGE THE LASER WILL LIGHT FOR SEVERAL SECONDS TO DETECT A DISC. DO NOT

LOOK INTO THE PICK-UP LENS.

2-THE LASER POWER OUTPUT OF THE PICK-UP UNIT AND REPLACEMENT SERVICE PARTS ARE ALL FACTORY

PRE-SET BEFORE SHIPMENT.

DO NOT ATTEMPT TO RE-ADJUST THE LASER PICK-UP UNIT DURING REPLACEMENT OR SERVICING.

3-UNDER NO CIRCUMSTANCES STARE INTO THE PICK-UP LENS AT ANY TIME.

4-CAUTION-USE OF CONTROLS OR ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE

SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

CAUTION Laser Diode Properties

Material: GaAIAs

Wavelength: 780 nm

Emission Duration: continuous

Laser Output: max. 0.6 mW

● This Mini Component System is classified as a CLASS

1 LASER product.

● The CLASS 1 LASER PRODUCT label is located on the rear cover.

● Use of controls, adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

As the laser beam used in this compact disc player is harmful to the eyes, do not attempt to disassemble the cabinet. Refer servicing to qualified personnel only.

CAUTION-INVISIBLE LASER RADIATION WHEN OPEN. DO NOT STARE INTO

BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.

VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD. STIRRA

EJ IN I STRALEN OCH BETRAKTA EJ STRALEN MED OPTISKA INSTRUMENT.

ADVERSEL-USYNLIG LASERSTRALING VED ABNING. SE IKKE IND I

STRALEN-HELLER IKKE MED OPTISKE INSTRUMENTER.

VARO! AVATTAESSA OLET ALTTIINA NAKYMATON LASERSATEILYLLE.

ALA TUIJOTA SATEESEEN ALAKA KATSO SITA OPTISEN LAITTEEN LAPI.

VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD.

STIRRA EJ IN I STRALEN OCH BETRAKTA EJ STRALEN GENOM OPTISKT

INSTRUMENT.

ADVERSEL-USYNLIG LASERSTRALING NAR DEKSEL APNES. STIRR IKKE

INN I STRALEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.

VARO !

Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle. Älä katso säteeseen.

VARNING!

Osynlig laserstralning när denna del är öppnad och spärren är urkopplad. Betrakta ej strälen.

– 2 –

CD-C449W/K449W

SPECIFICATIONS

CD-C449W/K449W

●

General

Power source: AC 110/127/220/230-240 V,

50/60 Hz

Power consumption: 120 W

Dimensions: Width; 270 mm (10-5/8")

Height; 316 mm (12-1/2")

Weight:

Depth; 343 mm (13-1/2")

9.2 kg (20.3 lbs.)

●

Cassette deck section

Frequency response: 50-14,000 Hz (Normal tape)

Signal/noise ratio: 55 dB (TAPE 1, playback)

50 dB (TAPE 2, recording/

Wow and flutter:

playback)

0.15 % (WRMS)

●

Amplifier section

Output power:

Output terminals:

Input terminals:

PMPO; 1200 W

MPO; 240 W (120 W + 120 W)

(10 % T.H.D.)

RMS; 150 W (75 W + 75 W)

(10 % T.H.D.)

Speakers; 8 ohms

Headphones; 16-50 ohms

(recommended; 32 ohms)

CD digital output (optical)

Video/Auxiliary (audio signal)

1/2; 500 mV/47 kohms

Microphone 1/2; 1 mV/4.7 kohms

(CD-K449W only)

●

Tuner section

Frequency range: FM; 88 - 108 MHz

SW2; 9.5 - 21.85 MHz

SW1; 3.2 - 7.3 MHz

MW; 531 - 1,602 kHz

●

Compact disc player section

Type: 3-disc multi-play compact disc player

Signal readout: Non-contact, 3-beam semiconductor laser pickup

D/A converter: 1-bit D/A converter

Frequency response: 20 - 20,000 Hz

Dynamic range: 90 dB (1 kHz)

CP-C449

●

Speaker section

Type: 3-way type [130 mm (5-1/8") woofer, 50 mm (2") tweeter and super tweeter]

Maximum input power:

Impedance:

Dimensions:

Weight:

150 W

8 ohms

Width; 220 mm (8-11/16")

Height; 316 mm (12-1/2")

Depth; 284 mm (11-3/16")

3.6 kg (7.9 lbs.)/each

VOLTAGE SELECTION

The voltage selector is located on the AC voltage selector box. If adjustment is necessary, use a screwdriver in order to turn the selector in either direction until the correct voltage figure is displayed in the window next to the adjustment screw.

QACCA0001AW00 AQCCJ0003AW00

QACCE0008AW00

Figure 2 AC POWER SUPPLY CORD AND AC PLUG ADAPTOR

– 3 –

CD-C449W/K449W

SPECIFICATIONS

CD-C449W/K449W

●

General

Power source: AC 110/127/220/230-240 V,

50/60 Hz

Power consumption: 120 W

Dimensions: Width; 270 mm (10-5/8")

Height; 316 mm (12-1/2")

Weight:

Depth; 343 mm (13-1/2")

9.2 kg (20.3 lbs.)

●

Cassette deck section

Frequency response: 50-14,000 Hz (Normal tape)

Signal/noise ratio: 55 dB (TAPE 1, playback)

50 dB (TAPE 2, recording/

Wow and flutter:

playback)

0.15 % (WRMS)

●

Amplifier section

Output power:

Output terminals:

Input terminals:

PMPO; 1200 W

MPO; 240 W (120 W + 120 W)

(10 % T.H.D.)

RMS; 150 W (75 W + 75 W)

(10 % T.H.D.)

Speakers; 8 ohms

Headphones; 16-50 ohms

(recommended; 32 ohms)

CD digital output (optical)

Video/Auxiliary (audio signal)

1/2; 500 mV/47 kohms

Microphone 1/2; 1 mV/4.7 kohms

(CD-K449W only)

●

Tuner section

Frequency range: FM; 88 - 108 MHz

SW2; 9.5 - 21.85 MHz

SW1; 3.2 - 7.3 MHz

MW; 531 - 1,602 kHz

●

Compact disc player section

Type: 3-disc multi-play compact disc player

Signal readout: Non-contact, 3-beam semiconductor laser pickup

D/A converter: 1-bit D/A converter

Frequency response: 20 - 20,000 Hz

Dynamic range: 90 dB (1 kHz)

CP-C449

●

Speaker section

Type: 3-way type [130 mm (5-1/8") woofer, 50 mm (2") tweeter and super tweeter]

Maximum input power:

Impedance:

Dimensions:

Weight:

150 W

8 ohms

Width; 220 mm (8-11/16")

Height; 316 mm (12-1/2")

Depth; 284 mm (11-3/16")

3.6 kg (7.9 lbs.)/each

VOLTAGE SELECTION

The voltage selector is located on the AC voltage selector box. If adjustment is necessary, use a screwdriver in order to turn the selector in either direction until the correct voltage figure is displayed in the window next to the adjustment screw.

QACCA0001AW00 AQCCJ0003AW00

QACCE0008AW00

Figure 2 AC POWER SUPPLY CORD AND AC PLUG ADAPTOR

– 3 –

CD-C449W/K449W

NAMES OF PARTS

CD-C449W/K449W

■

Front panel

1 1.

(CD) Disc Tray

1 2.

(CD) Disc Number Select Buttons

1 3.

(CD) Disc Skip Button

1 4.

(CD) Open/Close Button

1 5.

(CD) Disc Number Indicators

1 6.

SRS Indicator

1 7.

(TAPE 2) Direction Indicators

1 8.

(TAPE 2) Reverse Mode Indicator

1 9.

(CD) Play Indicator

10.

(CD) Repeat Play Indicator

11.

(CD) Pause Indicator

12.

(TAPE 2) Record Indicator

13.

Timer Record Indicator

14.

Timer Play Indicator

15.

Sleep Indicator

16.

Extra Bass Indicator

17.

(CD) Random Play Indicator

18.

(CD/TUNER) Memory Indicator

19.

(TUNER) FM Stereo Indicator

20.

(TUNER) FM Stereo Mode Indicator

21.

Karaoke Indicator (CD-K449W Only)

22.

Spectrum Analyzer

23.

Function Selector Buttons

24.

Equalizer Mode Selector Buttons

25.

Extra Bass Button

26.

Volume Control

27.

On/Stand-by Button

28.

Headphone Socket

29.

Karaoke Maker Switch (CD-K449W Only)

30.

Microphone Sockets (CD-K449W Only)

31.

Microphone Level Controls (CD-K449W Only)

32.

Digital Echo Control (CD-K449W Only)

33.

3D Surround/Demo Mode Button

34.

Clock Button

35.

Sleep Button

36.

(TAPE 2) Reverse Mode Button

37.

(CD) Pause Button

38.

Jog Dial

39.

(CD/TAPE) Stop Button

40.

(TAPE) Record Pause Button

41.

Balance Control Buttons

42.

Timer Button

43.

Memory Button

44.

(CD) Clear Button

45.

(CD) Track Down/Review Button

3 (TAPE 2) Fast Wind Button

3 (TUNER) Tuning Down Button

46.

(TAPE 2) Reverse Play Button

47.

(CD) Play/Repeat Button

3

(TAPE 1) Play Button

3

(TAPE 2) Forward Play Button

48.

(CD) Track Up/Cue Button

3

(TAPE 2) Fast Wind Button

3 (TUNER) Tuning Up Button

49.

Editing Speed Selector Buttons

1

23

9

27 28 29

13

19 20

24

2

5

31

3

6 7 8

10 11 12

1415

21

30

22

4

16

17

18

25 26

32

34 35 36 37 38 39 40 41

42 43 44 45 46 47 48 49

33

– 4 –

1 1.

(TAPE 1) Cassette Compartment

1 2.

(TAPE 2) Cassette Compartment

1

CD-C449W/K449W

2

■

Rear panel

1 1.

CD Digital Output Socket

1 2.

Video/Auxiliary (Audio Signal) Input Sockets

1 3.

Span Selector Switch

1 4.

FM 75 Ohms Aerial Terminal

1 5.

Aerial Earth Terminal

1 6.

SW1/SW2/MW Aerial Terminal

1 7.

AC Voltage Selector

1 8.

AC Power Lead

1 9.

Speaker Terminals

7

1 2 3

8

9

CP-C449

■

Speaker section

1 1.

Super Tweeter

1 2.

Tweeter

1 3.

Woofer

1 4.

Bass Reflex Ducts

1 5.

Speaker Terminals

1

2

3

4

4

5

6

5

– 5 –

CD-C449W/K449W

■ Remote control

1 1.

Remote Control Transmitter LED

● CD control section

1 2.

Disc Number Select Buttons

1 3.

Track Down/Review Button

1 4.

Track Up/Cue Button

1 5.

Disc Skip Button

1 6.

Play/Repeat Button

1 7.

Stop Button

1 8.

Memory Button

1 9.

Clear Button

10.

Random Button

11.

Pause Button

● Tuner control section

12.

Preset Up/Down Buttons

● Tape control section

13.

(TAPE 2) Record Pause Button

14.

(TAPE 2) Reverse Play Button

15.

(TAPE 1) Play Button

3

(TAPE 2) Forward Play Button

16.

(TAPE 1/2) Stop Button

17.

(TAPE 2) Fast Wind Buttons

● Common section

18.

3D Surround Pass Button

19.

Equalizer Mode Button

20.

Function Selector Buttons

21.

Balance Control Buttons

22.

On/Stand-by Button

23.

Dimmer Button

24.

3D Surround Mode Button

25.

Extra Bass Button

26.

Volume Up/Down Buttons

1

2

3

4

13

14

18

19

20

21

22

23

8 9 10 11

5

6

7

12

15

16

17

24

25

26

– 6 –

CD-C449W/K449W

SETTING THE CLOCK

In this example, the clock is set for the 24-hour

(0:00) system.

Jog dial

CLOCK

ON/STAND-BY

MEMORY

2

3

4

5

6

7

8

9

TUNING

( )

OPERATION MANUAL

0:00 AM 12:00 AM 0:00

1

Press the ON/STAND-BY button to enter the stand-by mode.

2

Press the CLOCK button.

3

Within 5 seconds, press the MEMORY button.

4

Turn the jog dial to select the time display mode.

"0:00"

→

The 24-hour display will appear.

(0:00 - 23:59)

"AM 12:00"

→

The 12-hour display will appear.

(AM or PM 12:00 - 11:59)

"AM 0:00"

→

The 12-hour display will appear.

(AM or PM 0:00 - 11:59)

● Note that this can only be set when the unit is first installed or it has been reset (see page 28).

5

Press the MEMORY button.

6

Adjust the hour by turning the jog dial.

● When the jog dial is turned one click clockwise, the time will increase by 1 hour. When it is turned one click anti-clockwise, the time will decrease by 1 hour.

Keep turning the jog dial to change the time continuously.

● When the 12-hour display is selected, "AM" will change automatically to "PM".

7

Press the MEMORY button.

8

Adjust the minutes by turning the jog dial.

● When the jog dial is turned one click clockwise, the time will increase by 1 minute. When it is turned one click anti-clockwise, the time will decrease by 1 minute.

Keep turning the jog dial to change the time continuously.

● The hour setting will not advance even if minutes advance from "59" to "00".

9

Press the MEMORY button.

● The clock starts operating from "0" seconds. (Seconds are not displayed.)

Note:

● In the event of a power failure or when the AC power lead is disconnected, the clock display will go out.

When the AC power supply is restored, the clock display will flash on and off to indicate the time when the power failure occurred or when the AC power lead was disconnected.

If this happens, follow the procedure below to change the clock time.

To change the clock time:

When the unit is in the stand-by mode:

①

Press the MEMORY button.

②

Perform steps 6 - 9 above.

When the unit is on:

①

Press the CLOCK button.

②

Within 5 seconds, press the MEMORY button.

③

Perform steps 6 - 9 above.

To see the time display:

Press the CLOCK button.

● The time display will appear for about 5 seconds.

To change the time display mode:

①

Perform steps 1 - 2 in the section "RESETTING THE MICRO-

COMPUTER", on page 28.

②

Perform steps 1 - 9 above.

– 7 –

CD-C449W/K449W

FM/MW (kHz)

– 8 –

CD-C449W/K449W

DISASSEMBLY

Caution on Disassembly

Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance:

1. Take cassette tape and compact disc out of the unit.

2. Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit.

3. Take off nylon bands or wire holders where they need to be removed when disassembling the unit. After servicing the unit, be sure to rearrange the leads where they were before disassembling.

4. Take suffcient care on static electricity of integrated circuits and other circuits when servicing.

CD-C477W/K449W

( B1 ) x2

ø3 x8mm

( A1 ) x2

ø3 x12mm

CD-C449W/K449W

STEP REMOVAL PROCEDURE FIGURE

1 Top Cabinet

2 Side Panel

(Left/right)

1. Screw ..................... (A1) x4

1. Screw ..................... (B1) x8

9-1

9-1

3 CD Player Unit/ 1. Turn on the power supply,

CD Tray Cover open the disc tray, take out

the CD cover, and close.

(Note 1)

2. Hook ....................... (C1) x3

3. Hook ....................... (C2) x2

4. Screw ..................... (C3) x1

5. Socket .................... (C4) x3

4 Tuner PWB

5 Rear Panel

9-2

1. Socket .................... (D1) x1 10-1

2. Screw ..................... (D2) x5

1. Screw ..................... (E1) x11 9-2

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

10-1

6 Main PWB 1. Flat cable ............... (F1) x2 10-1

2. Flat wire ................. (F2) x3

3. Socket ...................... (F3) x3

4. Screw ....................... (F4) x3

7 Karaoke PWB

(CD-K449W only)

8 Front Panel

1. Screw ..................... (G1) x2 10-2

1. Flat wire ................. (H1) x1 10-2

2. Screw...................... (H2) x2

9 Power Amp. PWB 1. Socket .................... (J1) x2 10-2

2. Screw ..................... (J2) x6

10 Power Supply PWB 1. Screw ..................... (K1) x6 10-3

11 Display PWB 1. Knob ....................... (L1) x2

2. Nut .......................... (L2) x1

3. Screw ..................... (L3)x12

10-4

12 CD Switch PWB 1. Screw ..................... (M1) x3 10-4

13 Headphones PWB 1. Screw ..................... (N1) x1 10-4

14 Tape Mechanism 1. Screw ..................... (P1) x6 10-4

15 Turntable 1. Screw ..................... (Q1) x1

2. Cover ..................... (Q2) x1

10-5

16 Disc Tlay 1. Screw ..................... (R1) x2 10-5

2. Guide ..................... (R2) x2

17 CD Servo PWB 1. Screw ..................... (S1) x1 10-6

(Note2) 2. Socket .................... (S2) x4

18 CD Changer

Mechanism

1. Screw ..................... (T1) x4 11-1

19 CD Mechanism 1. Screw ..................... (U1) x1 11-1

Side Panel

(Right)

( B1 ) x4

ø3 x8mm

( C4 ) x2

CD Player

Unit

( C4 ) x1

( E1 ) x10

ø3 x8mm

Rear Panel

(C2) x1

Pull

LOCK

LEVER

Figure 9-1

Top Cabinet

CD Tray Cover

Rear Panel

1

Figure 9-2

( C3 ) x1

ø3 x8mm

( A1 ) x2

ø3 x12mm

Side Panel

(Left)

( B1 ) x2

ø3 x8mm

Hook

( C1) x3

1

2

( C2 ) x1

Front Panel

Main PWB

Tuner PWB

Note 1:

How to open the changer manually. (Fig. 10-3)

1. Then, turn fully the lock lever in the arrow direction through the hole on the loading chassis bottom in this state.

After that, push forward the CD player base.

2. After removing the connector for the optical pickup fromthe connector wrap the conductive aluminium foil around the front end of connector so as to protect the optical pickup from electrostatic damage.

Figure 9-3

– 9 –

CD-C449W/K449W

(E1) x1

ø3 x10mm

(F2) x1

(F3) x2

(F2) x2

CD-K449W

Only

(F1) x1

Rear

Panel

(D1) x1

(F4) x2

ø3x10mm

Front Panel

(F3) x2

(F4) x1

ø3x10mm

Main PWB

(D2) x1

ø3x10mm

Tuner PWB

(D2) x4

ø3 x10mm

Figure 10-1

(G1)x2

ø3x10mm

CD-K449W

Only Karaoke

PWB

(G1)x1

ø3x10mm

(J2)x5

ø3x10mm

Front Panel

( J1 ) x2

( H1 ) x1

CD Switch PWB

Front Panel

(M1)x3

ø3x10mm

(L3)x12

ø3x10mm

Tape Mechanism

(P1)x6

ø3x10mm

( Q2 ) x1

Figure 10-4

( Q1 ) x1

ø3 x10mm

(L1)x2

Washer

(L2)x1

Display

PWB

Headphones

PWB

Open

Lug Wire

(N1)x1

ø3x10mm

Cassette

Holder (Left/Right)

Turntable

Disc Tray

( R1 ) x1

ø3 x10mm

Power Supply PWB

( J2 ) x1

ø3x10mm

Power Amp. PWB

( H2 ) x1

ø3x10mm

Figure 10-2

(K1)x4

ø4x8mm

(K1)x1

ø3x10mm

( R2 ) x1

( R1 ) x1

ø3 x10mm

CD Player Unit

( R2 ) x1

Figure 10-5

( S1 ) x1

ø3 x10mm

CD Servo PWB

( S2 ) x2

(K1)x1

ø3x8mm

Figure 10-3

( S2 ) x2

CD Player Unit

Figure 10-6

– 10 –

( V1 ) x1

ø2.6 x10mm

Shift Lever

( U1 ) x4

ø3 x12mm

CD-C449W/K449W

CP-C449

Net

(A1)x1

Baffle Board

(A2)x1

Tweeter

CD Changer

Mechanism

Woofer

CD Player Base

CD Mechanism

Be careful when installing the CD changer mechanism.

Install the CD changer mechanism on the CD player base after the shift lever has been set in the highest position.

Figure 11-1

CP-C449

STEP REMOVAL PROCEDURE FIGURE

1 Front Speaker 1. Net .......................... (A1) x1 11-2

2. Front Panel ............ (A2) x1

3. Screw ..................... (A3) x2

4. Screw ..................... (A4) x4

5. Screw ..................... (A5) x2

Super

Tweeter

(A5)x2

ø3x10mm

Tweeter

(A3)x2

ø3x10mm

Screw driver

(A4)x4

ø4x16mm

Figure 11-2

Woofer

– 11 –

CD-C449W/K449W

REMOVING AND REINSTALLING THE MAIN PARTS

CD MECHANISM SECTION

Perform steps 1, 2, 3,15,16,17 and 19 of the disassembly method to remove the CD mechanism.

Loading / Up

/ Down Motor

How to remove the loading motor

(See Fig. 12-1)

1. Remove the screws (A1) x 2 pcs., to remove the loading motor.

Motor

PWB

How to remove the pickup (See Fig. 12-2)

1. Remove the screws (B1) x 2 pcs., to remove the shaft (B2).

2. Remove the stop washer (B3) x 1 pc., to remove the gear

(B4).

3. Remove the pickup.

Figure 12-1

( A1 ) x2

ø2.6 x5mm

( B1 ) x2

ø2.6 x6mm

Stop Washer

( B3 ) x1

Pickup

Note

After removing the connector for the optical pickup fromthe connector wrap the conductive aluminium foil around the front end of connector so as to protect the optical pickup from electrostatic damage.

Shaft

( B2 ) x1

Gear

( B4 ) x1

CD Mechanism

Figure 12-2

– 12 –

CD-C449W/K449W

MECHANISM SECTION

•

Driving Force Check

Torque Meter

Play: TW-2412

Specified Value

Tape 1: Over 80 g

Tape 2: Over 80 g

ADJUSTMENT

TUNER SECTION fL: Low-range frequency fH: High-renge frequency

• AM IF/RF

Signal generator: 400 Hz, 30%, AM modulated

•

Torque Check

Setting/

Adjusting

Parts

Torque Meter Specified Value

Test Stage Frequency

Frequency

Display

IF 450 kHz 1,602 kHz T351

Tape 1 Tape 2 MW Band —

Coverage

531 kHz

Play: TW-2111 30 to 60 g. cm 30 to 100 g.cm

(fL): T306

1.1 ± 0.1 V

Fast forward: TW-2231 — 50 to 100 g.cm

SW1 Band —

Coverage

3.2 MHz (fL): T307

2.0 ± 0.1V

Rewind: TW-2231 — 50 to 100 g.cm

•

Tape Speed

SW1 Band —

Coverage

7.3 MHz

Instrument

Connection

*1

*2

*2

(fH): TC305 *2

7.7 ± 0.2 V

Normal speed

Test Tape

MTT-111

Adjusting

Point

VRM01

Specified

Value

3,000 ±

30 Hz

Instrument

Connection

Speaker terminal

(Load resistance:

8 ohms)

SW2 Band —

Coverage

SW2 Band —

Coverage

MW

Tracking

990 kHz

SW1

Tracking

SW1

Tracking

3.9 MHz

7.1 MHz

SW2

Tracking

SW2

Tracking

21.45 MHz

9.5 MHz

3.9 MHz

7.1 MHz

21.45 MHz

(fL): T308

2.1 ± 0.1V

(fL): T303

(fH): TC303

11.65 MHz 11.65 MHz (fL): T304

(fH): TC302

*2

21.85 MHz (fH): TC304 *2

7.7 ± 0.2V

990 kHz T302 *1

*1

*1

*1

*1

*1. Input: Antenna, Output: TP302

*2. Input: Anetnna, Output: TP301

TAPE MECHANISM PWB

VRM01

FAS

SW

TAPE

SPEED

Figure 13

– 13 –

CD-C449W/K449W

• FM RF

Signal generator: 1 kHz, 40 kHz dev, FM modulated

Test Stage Frequency

Band

Coverage

RF

—

Frequency

Display

87.5 kHz

Setting/

Adjusting

Parts

(fL): LT02

3.7 ± 0.1 V

LT01 98 MHz

10 - 30 dB

98 MHz

*1. Input: Antenna, Output: TP301

*2. Input: Anetnna, Output: Speaker Terminal

Instrument

Connection

*1

*2

• Setting the Test Mode

Keeping the PAUSE button and TUNER button pressed, turn on POWER. Then, the frequency is initially set in the memory as shown in Table. Call it with the PRESET button to use it for adjustment and check of tuner circuit.

Preset

No.

FM Preset

No.

MW Preset

No.

SW1 Preset

No.

SW2

1 87.50 MHz

2 108.00 MHz

3 90.00 MHz

6 531 kHz 11

7 1,602 kHz 12

8 603 kHz 13

3.2 MHz 16 9.5 MHz

7.3 MHz 17 21.85MHz

3.9 MHz 18 11.65 MHz

4 106.00 MHz 9 1,404 kHz 14 7.1 MHz 19 21.45 MHz

5 98.00 MHz 10 990 kHz 15 5.06 MHz 20 15.1 MHz

21 ~ 40

• FM Detection

Signal generator: 10.7 MHz, FM sweep

Test Stage Frequency Frequency

Display

IF 10.7 MHz 98 MHz

Setting/

Adjusting

Parts

TT01

(Turn the core of transformer TT01 fully counterclock wise)

Instrument

Connection

*1

*1. Input: Antenna, Output: TP301

*2. Input: Anetnna, Output: Speaker Terminal

• FM Mute Level

Signal generator: 1kHz, 40 kHz dev., FM modulated

Frequency

98.00 MHz

(25 dBµV)

Frequency

Display

98.00 MHz

Adjusting

Parts

VR351 *1

Instrument

Connection

Input: Antenna

Output: Speaker

Terminal

*1. Adjust so that an output signal appears.

R357

TUNER PWB

T351

AM IF

SW1 Band

Coverage fL fH

FM Band

Coverage FM IF FM RF

LT02

TT01

LT01

TP301

SW2 Tracking fH fL

VR351

T307 TC305

FM Mute

Level

T308 TC304

TC302

TC303

T304

T303

IC303

T302

T306

TP302 fL fH

SW2

Coverage

MW Band

Coverage

MW

Tracking fH fL

SW1

Tracking

Figure 14 ADJUSTMENT POINTS

SO301

ANTENNA

TERMINAL

– 14 –

CD-C449W/K449W

TEST MODE

• Setting the test mode

Any one of test mode can be set by pressing several keys as follows.

<REC. PAUSE> + <DISC. SKIP> + <POWER> TEST: CD operation test

• TEST mode

Function — CD test mode

Setting of TEST mode

Indication of CD TST mode (Fig. 15-1)

OPEN/CLOSE operation is manual operation.

IL is not performed.

The pickup can be moved by using the (

<MEMORY>

LASER ON

<MEMORY>

Tracking on the spot.

SERVO OFF PLAY

) or ( ) key.

<MEMORY>

Tracking on the spot.

SERVO ON PLAY

<STOP>

STOP

<PLAY> key input TOC. IL is performed, and the ordinary PLAY is performed.

If the following key is pressed during PLAY, it is possible to specify directly any Track No.

<Disc Number 1> key: Track 4

<Disc Number 2> key: Track 9

<Disc Number 3> key: Track 15

Note:

Only in STOP state it is possible to slide the pickup with the (

VOL. --- Last memory

BAL. --- CENTER

R.GEQ. --- FLAT

X-BAS --- OFF

) or ( ) key.

Canceling method - POWER OFF

Press <STOP> key.

Stop

Figure 15-1

CD SECTION

Since this CD system incorporates the following automatic adjustment function, when the pickup is replaced, it is not necessary to readjust it.

Since this CD unit does not need adjustment, the combination of PWB and laser pickup unit is not restricted.

• Automatic adjustment item

1. Focus offset (Fig. 15-2)

2. Tracking offset (Fig. 15-3)

3. E/F balance (tracking error balance) (Fig. 15-4)

4. RF level AGC function (HF level: constant)

5. RF level automatic follow-up of the tracking gain

This automatic adjustment is performed each time a disc is changed. Therefore,

each disc is played back using the optimal settings.

0.1s

0.50 V

IC1 20 FE

10ms

0.50 V

IC1 20 FE

FOCUS

OFF-SET

ADJUST

0.1s

0.50 V

IC1 7 TE

10ms

0.50 V

IC1 7 TE

1

TRACKING

OFF-SET

ADJUST

2

Figure 15-2

200 ms

1V/diV

IC 1 15

TO

TRACKING/

ERROR

BARANCE

1 ADJUST

Figure 15-3

Enlarged

View

TRACKING

OFF-SET

1

ADJUST

2

200 ms

1V/diV

IC 1 7

TE

2

Figure 15-4

– 15 –

CD-C449W/K449W

(Continued)

SRS

MODE

PASS

Ordinary stereo sound

Listening area

(Listening range with good stereo fidelity)

3D SURROUND

■

SRS ( ● ) 3D SURROUND

About SRS (

●

) 3D surround:

SRS is a breakthrough technology that creates 3-dimensional sound by processing sound signals based on the human auditory system. It produces real depth and localization of the sound image which cannot be accomplished by ordinary stereo.

SRS only requires two speakers.

SRS (

●

) 3D surround effects:

● Live performance atmosphere

(Simulates a live concert atmosphere)

● The localization of various musical sources is quite clear.

(The positions of the musical instruments and singers are very clear.)

● Reproduction of depth

(Sounds from the front and back of an orchestra can be identified easily.)

● Expansion of the sound field

(The sound image is spread out over a wide area.)

Selecting the 3D surround mode:

When the sound source is in stereo, you can select from any of

5 different 3D surround effect.

1

Select any desired audio source and begin playback.

2

To hear the 3D surround effect, press the SRS MODE button.

● "SRS ( ● )" will appear.

When the SRS MODE button is pressed, the current mode setting will be displayed. To change to a different mode, press the SRS

MODE button repeatedly.

● "PASS" will not be displayed in remote control operation.

MODE-1 MODE-2 MODE-3 MODE-4 MODE-5 PASS

Wide listening area

(Stereo music can be heard anywhere in the room.)

Notes:

● The 3D SURROUND effect will not work on a monaural sound source.

● When the 3D surround mode is being used, the equalizer will be set to FLAT.

SURROUND

MODE

MODE-1

MODE-2

MODE-3

MODE-4

MODE-5

Effect from each mode

You will enjoy a sound image that produces an intimate sound field. (as in a medium-size hall)

This setting gives you a maximum sound field as music comes out beyond the speakers. (as in a large, domed arena)

This setting is great for live recording and vocal music.

You will hear more vocals in an intimate sound field. (as at a live music performance)

This setting greatly increases the amount of vocals or centre sounds in a recording. (as in a small club)

To cancel the 3D surround effect:

(Main unit operation)

Press the SRS MODE button repeatedly to select "PASS".

(Remote control operation)

Press the PASS button.

– 16 –

CD-C449W/K449W

REF. NO

SWD9

SWD10

SWD11

SWD12

SWD13

SWD14

SWD15

SWD16

SWD17

SWD18

SW1

SW2

SW3

SW4

SW991

SWD1

SWD2

SWD3

SWD7

SWD8

SWD21

SWD22

SWD30

SWD31

NOTES ON SCHEMATIC DIAGRAM

•

Resistor:

To differentiate the units of resistors, such symbol as K and

•

The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chas-

M are used: the symbol K means 1000 ohm and the symbol

M means 1000 kohm and the resistor without any symbol is sis with no signal given.

1. In the tuner section, ohm-type resistor. Besides, the one with “Fusible” is a fuse type.

•

Capacitor:

To indicate the unit of capacitor, a symbol P is used: this

( ) indicates AM

< > indicates FM stereo

2. In the main section, a tape is being played back.

3. In the deck section, a tape is being played back.

symbol P means micro-micro-farad and the unit of the ( ) indicates the record state.

4. In the power section, a tape is being played back.

capacitor without such a symbol is microfarad. As to electrolytic capacitor, the expression “capacitance/withstand voltage” is used.

(CH), (TH), (RH), (UJ): Temperature compensation

(ML): Mylar type

5. In the CD section, the CD is stopped.

•

Parts marked with “ ” ( ) are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

(P.P.): Polypropylene type

•

Schematic diagram and Wiring Side of P.W.Board for this model are subject to change for improvement without prior notice.

DESCRIPTION

OPEN/CLOSE

MECHA UP

DISC NUMBER

PICKUP IN

VOLTAGE SELECTOR

VOLUME JOG

JOG

X-BASS

SOFT

VOCAL

HAVY-2

HAVY-1

FLAT

TUNING UP/CUE

STOP

NORMAL EDIT

HIGH EDIT

REC/PAUSE

F-PLAY

SRS/DEMO

BAL RIGHT

BAL LEFT

TUNING DOWN/REWIND

CD PAUSE

POSITION

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

230-240V

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

SWD41

SWD42

SWD43

SWD48

SWD49

SWD50

SWD51

SWD52

SWD53

SWD54

SWF2

SWM3

SWM4

SWM5

SWM6

REF. NO

SWD32

SWD33

SWD34

SWD35

SWD36

SWD37

SWD38

SWD39

SWD40

DESCRIPTION

REVERSE MODE

R-PLAY

CLOCK

MEMORY

TIMER

SLEEP

CLEAR

VIDEO/AUX 1

VIDEO/AUX 2

TAPE 1/2

TUNER/BAND

CD

POWER

KARAOKE (CD-K449W Only)

DISC 1

DISC 2

DISC 3

DISC SKIP

OPEN/CLOS

SPAN SELECTOR

REC FWD

REC RVS

F.A.S

CAM

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

50/9

ON—OFF

ON—OFF

ON—OFF

ON—OFF

POSITION

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

FRONT VIEW

FRONT

VIEW

FRONT

VIEW

FRONT

VIEW

KTA1266 GR

KTA1270Y

KTA1271 Y

KTA1273 Y

KTA1268 GR

KTC3199 GR

KTC3203 Y

E C B

(S) (G) (D)

(1) (2) (3)

KRA107 M

KRA102 M

KRC102 M

KRC104 M

KRC107 M

2SC535 C

2SC1845 F

2SC2878 A

2SC2878 B

2SC2236 Y

2SD468 C

2SK246 GR

KTC3200 GR

B C E

(D) (G) (S)

(3) (2) (1)

2SD2012

2SB1375

Figure 17 TYPES OF TRANSISTOR AND LED

– 17 –

SLR325MG

SLR325VR

KL052UL

SLR505MC

LMKD515B

KV1236Z23

CD-C449W/K449W

REF. NO

SWD9

SWD10

SWD11

SWD12

SWD13

SWD14

SWD15

SWD16

SWD17

SWD18

SW1

SW2

SW3

SW4

SW991

SWD1

SWD2

SWD3

SWD7

SWD8

SWD21

SWD22

SWD30

SWD31

NOTES ON SCHEMATIC DIAGRAM

•

Resistor:

To differentiate the units of resistors, such symbol as K and

•

The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chas-

M are used: the symbol K means 1000 ohm and the symbol

M means 1000 kohm and the resistor without any symbol is sis with no signal given.

1. In the tuner section, ohm-type resistor. Besides, the one with “Fusible” is a fuse type.

•

Capacitor:

To indicate the unit of capacitor, a symbol P is used: this

( ) indicates AM

< > indicates FM stereo

2. In the main section, a tape is being played back.

3. In the deck section, a tape is being played back.

symbol P means micro-micro-farad and the unit of the ( ) indicates the record state.

4. In the power section, a tape is being played back.

capacitor without such a symbol is microfarad. As to electrolytic capacitor, the expression “capacitance/withstand voltage” is used.

(CH), (TH), (RH), (UJ): Temperature compensation

(ML): Mylar type

5. In the CD section, the CD is stopped.

•

Parts marked with “ ” ( ) are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

(P.P.): Polypropylene type

•

Schematic diagram and Wiring Side of P.W.Board for this model are subject to change for improvement without prior notice.

DESCRIPTION

OPEN/CLOSE

MECHA UP

DISC NUMBER

PICKUP IN

VOLTAGE SELECTOR

VOLUME JOG

JOG

X-BASS

SOFT

VOCAL

HAVY-2

HAVY-1

FLAT

TUNING UP/CUE

STOP

NORMAL EDIT

HIGH EDIT

REC/PAUSE

F-PLAY

SRS/DEMO

BAL RIGHT

BAL LEFT

TUNING DOWN/REWIND

CD PAUSE

POSITION

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

230-240V

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

SWD41

SWD42

SWD43

SWD48

SWD49

SWD50

SWD51

SWD52

SWD53

SWD54

SWF2

SWM3

SWM4

SWM5

SWM6

REF. NO

SWD32

SWD33

SWD34

SWD35

SWD36

SWD37

SWD38

SWD39

SWD40

DESCRIPTION

REVERSE MODE

R-PLAY

CLOCK

MEMORY

TIMER

SLEEP

CLEAR

VIDEO/AUX 1

VIDEO/AUX 2

TAPE 1/2

TUNER/BAND

CD

POWER

KARAOKE (CD-K449W Only)

DISC 1

DISC 2

DISC 3

DISC SKIP

OPEN/CLOS

SPAN SELECTOR

REC FWD

REC RVS

F.A.S

CAM

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

50/9

ON—OFF

ON—OFF

ON—OFF

ON—OFF

POSITION

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

ON—OFF

FRONT VIEW

FRONT

VIEW

FRONT

VIEW

FRONT

VIEW

KTA1266 GR

KTA1270Y

KTA1271 Y

KTA1273 Y

KTA1268 GR

KTC3199 GR

KTC3203 Y

E C B

(S) (G) (D)

(1) (2) (3)

KRA107 M

KRA102 M

KRC102 M

KRC104 M

KRC107 M

2SC535 C

2SC1845 F

2SC2878 A

2SC2878 B

2SC2236 Y

2SD468 C

2SK246 GR

KTC3200 GR

B C E

(D) (G) (S)

(3) (2) (1)

2SD2012

2SB1375

Figure 17 TYPES OF TRANSISTOR AND LED

– 17 –

SLR325MG

SLR325VR

KL052UL

SLR505MC

LMKD515B

KV1236Z23

CD-C449W/K449W

1

5ms

0.50 V

IC1 20 F.E

2

5ms

5.0 V

IC1 54 DRF

3 0.5ms

1.00 V

HF

4

5

3

6

7

8

9

4

5

6

7

8

9

0.5ms

5.0 V

HFL

0.5ms

5.0 V

TES

50ms

10.0 V

JP+

50ms

10.0 V

JP-

50ms

0.50 V

JP

50ms

1.00 V

TE

0.5ms

10.0 V

JP+

0.5ms

10.0 V

JP-

0.5ms

0.50 V

JP

0.5ms

1.00 V

TE

0.5ms

5.0 V

HFL

0.5ms

5.0 V

TES

0.5ms

1.00 V

HF

6

7

8

9

50ms

10.0 V

JP+

50ms

10.0 V

JP-

50ms

0.50 V

JP

50ms

1.00 V

TE

WAVEFORMS OF CD CIRCUIT

STOP PLAY

FOCUS SERCH

3

1

6

7

8

9

0.5ms

10.0 V

JP+

0.5ms

10.0 V

JP-

0.5ms

0.50 V

JP

0.5ms

1.00 V

TE

CUE

10

20ms

1.00 V

SPO

1

2

3

11

20ms

2.00 V

CLV+

REVIEW

1

2

3

CUE

REVIEW

10

50ms

1.00 V

SPO

11

50ms

2.00 V

CLV+

12 5s

100mV

SLD

12 0.5s

100mV

SLD

– 18 –

PLAY

NORMAL DISC

TN0=01

PLAY

TCD-712 (140mm)

TN0=01

1

1

PLAY

TCD-712

LVDD

VDD

VVDD

RVDD

XVDD

~

~

FD

TO

SPO

NC

SLD

SL+

SL–

DRF

DAT

CL

CE

Figure 19 BLOCK DIAGRAM (1/3)

– 19 –

CD-C449W/K449W

CD-C449W/K449W

SO301

ANTENNA

TERMINAL

FM

GND

SW1

SW2

MW

FM BAND

PASS FILTER

1

BFT01

2 3

T302

MW ANT.

T306

MW OSC.

1

5

ICT01

TA7358AP

FM FRONT END

3 8 7

6

9

LT01 LT02 AMP

QT01

T303

T304

SW1/SW2

ANT.

T307

T308

SW1/SW2

OSC.

Q308

Q309

+B7

FM IF

TT01

FM IF

CF302

AM IF

T351

AM IF

CF352

FM IF IN

VR351

FM MUTE LEVEL

FMOSC

1 2 3 4 5 8

OUT REG IC303

LA1832

IN GND

FM IF DET./FM MPX./AM IF

AM OSC

24 23 22 21 7 13

IF OUT

10

9

VCC

17

12

18

OUT

16

IN

Q361

SD

14 15

L R

6

MUTING

Q353

Q354

AM IN

VOLTAGE

REGURATER

+B7

Q306

Q307

+B7

FM +B

Q360

Q361

+B7

MW +B

Q362

SW1 +B

SW2 +B

FM

7

20

X352

4.5MHz

9

1 22

OSC

15 16 11 10

IC302

LC72131

PLL CONTROLLER

13 3 4 5 6

12

21

+B7

Q363

+B7

Q364

17

+12V

8

+B7

8

6

ICH11(1/2)

1

7

4

-B6

2

TUNER SD

TUNER

T1 RUN

T2 RUN

T2 A FP

T2 B FP

T1 CrO 2

T2 CrO

2

CAM-SW

TAPE SOL

TA MOT

HIGH SP

FR SP

BIAS

BEAT–CUT

TA R/P

REC MUT

T1/T2

PB MUTE

44

45

46

32

33

34

35

36

29

30

31

37

38

39

40

41

42

QG05

TA–PB–EQ

43

7

CD MUTE

QU02

QU01

FROM CD UNIT

+B6

JR11

VCR/AUX1

L R

L R

JR12

VCR/AUX2 MOTOR

MM1

M

+B2

MOTOR

DRIVER

QL14

DRIVER

QL11

QL18

TA MOT SW

HI SPEED

QL17

SWITCHING

PHM1

+B6

DRIVER

QL12 QL13

TA MOT H/L

QL16

T2_RUN

T2_A_FP

SWM3

REC FWD

CAM SW

SWM6

CAM SW

T1/T2 CrO 2

SWM5

F.A.S.

T1/T2 PLAY

SWM4

REC RVS

T2 F-REC

SWM1

T1 CrO2

SWM2

T2 CrO2

T2 R-REC

SOLM1

SOLENOID

TAPE 1

TAPE 2

QL15

QL19

SOLENOID

PB HEAD

L-CH

R-CH

REC/PB

HEAD

L-CH

R-CH

P.B

REC REC/PB

QK03 QK05

QK04 QK06

AC BIAS

P.B

QK09

QK10

DRIVER

QK11

ICK01

AN7345K

PLAYBACK AND RECORD AMP

L(T1)

R(T1)

L(T2)

R(T2)

L NF

R NF

1

24

2

23

3

4

P.B.

P.B

4

21

L

R

5

20

H/N

POP REDUCE

L REC

QK07

QK08

6

9

R REC 16

REF

14

+B7 13

12

T1/T2

REC

NOR/

HIGH

15

T1/T2

19

7

18

8

17

L REC

R

L NF

R NF

10

ALC

ERASE

HEAD

QK28

LK04

HI SPEED

TAPE 14

PB MUTE

QK17

QK18

MUTING

REC MUTE

QK21

QK22

MUTING

SWITCHING

QK15

QK16

QK19

SWITCHING

T1/T2

REC/PB

SWITCHING

BAIS

QK24

SWITCHING

QK26

Figure 20 BLOCK DIAGRAM (2/3)

– 20 –

CD L

55

R 57

14 34

ICU01

LC75396N

AUDIO PROCESSOR

2

GRAPHIC EQUALIZER

TUNER

AUX1

AUX2

L

R

54

58

L 51

61

R

L

R

52

60

IN

Vref

22

LVref

27

RVref

21

45

10

42

39

7

4

46

43

40

11

8

5

37 2

L R

47

44

41

38 3

L R

9

6

J602

MIC2

J602

MIC1

1

6

MIC

IN

MIC2 IN

31

MIC SW

VOL IN

5

MIC1

Q631

19

+B7

VOLTAGE

REGULATOR

VCC

18

GND

IC601

M65845FP

MIC AMP.

AUD

MIC2

VOL IN

10

ECHO

VOL IN

25

VR602

MIC2

VOLUME

VR601

MIC2

VOLUME

VR6

DIGITAL

VOLU

R

L

17

18

1

ICS01

SRS5250AS

SRS

11 10 25 24

28

27

R

L

26

PA

QS11

VOLTAGE

REGULATOR

+B7

QS16

SWITCHING

QS17

QS18 SW

LEDD01~LEDD21 LEDD23~LEDD28 +B6 FD01 FL DISPLAY

B6

TUNER SD

TUNER MUTE

RXD01

REMOTE

CONTROL

SENSOR

1

29

DATA1

95

COM1

96

SCK1

97

STB

1

5 ~ 43

33

~

45 47

~

50 51

~

71 73

~

75

ICD01

IX0243AW

FL DRIVER &

CONTROLLER

15

VSS

89 18 46

VDD

72 90 14 27

21

26

+B2 SWD01

JOG DIAL

SWD02

JOG DIAL

T1 RUN

T2 RUN

T2 A FP

T2 B FP

T1 CrO 2

T2 CrO 2

CAM-SW

TAPE SOL

TA MOT

HIGH SP

FR SP

BIAS

BEAT–CUT

TA R/P

REC MUT

T1/T2

PB MUTE

44

45

46

29

30

31

32

33

34

35

36

37

38

39

40

41

42

58 70 23

~

19

ICF01

IX0235AW

SYSTEM CONTROL

MICROCOMPUTER

8 6 7 9

10 7 8

9

VDD

VSS

18

56

90

15

57

89

99

5

3

4

11

100

2

1

14

13

12

16

17

27

RES

CQCK

COIN

SQ OUT

WRQ

RWC

CD SL+

CD SL-

CD-PUIN

CD-DRF

+B3

+B4 (5V BACK UP)

+B4

RESET

RESET IN

OSC

XF0201

QG01

4.19MHz

SYSTEM STOP

MEMORY

QG02

QG03

ZDF01

+5V

UNSWITCH

+B2

+B3

93

91

92

CD O/C

CD U/D

CD DNO

P.FAIL DET

TA–PB–EQ

43

72 71 69 68 87 61 81 64 63 65 62

82 24

45 27 75 79 47 49 50

TO CD UNIT

CD-C449W/K449W

F2

F1

62

63

64

1

2

3

VF1 (AC)

VF2 (AC)

KEY IN

KEY MATRIX

SWD01~SWD03

SWD07~SWD18

SWD21~SWD22

SWD30~SWD43

SWD48

SWD50~SWD54

SWD49(CD-K449W ONLY)

34

ICU01

LC75396N

UDIO PROCESSOR

24

GRAPHIC EQUALIZER

RVref

21

45 10

42

39

7

4

46 11

43

40

37

8

5

2

L R

23 25

VOLUME

OUT

31

17

L

R

Vss

26

47

44

41

38

9

6

3

L R

48 63

L R

OUT VDD

55

IN

SW

MIC1

VOL IN

Q631

19

+B7

VOLTAGE

REGULATOR

VCC

IC601

M65845FP

MIC AMP.

MIC2

VOL IN

10

18

GND

IN

26

27

AUD SW

33

34

ECHO

VOL IN

25

OUT

29

28

L

R

+B7

CD-K449W

ONLY

02

C2

ME

VR601

MIC2

VOLUME

VR603

DIGITAL ECHO

VOLUME

ICS01

SRS5250AS

SRS

11 10 25 24

28

27

R

L

PASS/SRS STEREO/SRS MONO

26

SWITCHING

SRS PASS/3D

QS14

SRS A/SRS B

QS16

QS17

QS18 SWITCHING

SRS IN H

SWITCHING

IN

L

R

5

3

ICP11

NJM4565M

BUFFER AMP.

+B7

8

OUT

7

1

L

R

4

QP11

QP12

–B6

VOLTAGE

REGULATER

QV16

QV17

–15V

–B6

Q914

POWER ON/STB

SWITCHING

Q907

L-IN

R-IN

14

10

5

ICV01

STK40709

POWER AMP.

15

VH-

1 2

VH+

3 9

FAN

+B6

FAN MOTOR

CONTROL

QV20

QN21

H/P SW

FAN CONT

RELAY

PROT

RELAY DRIVER

PROTECTION

QV22

PROTECTION

QV13

QV14

QV18 QV19 RLYV11

RELAY

L-OUT

7

6

R-OUT

FAN

MOTOR

M

J901

HEADPHONES

+

–

–

+

L-CH

GND

GND

TMV01

SPEAKER

TERMINALS

R-CH

+B2

+4.6V

UN-SWITCHED

VOLTAGE

REGULATER

Q903

T991

POWER

TRANSFORMER

230~240V

+B6

+B7

+12V(MOTOR)

VOLTAGE

REGULATOR

+12V(ANALOG)

VOLTAGE

REGULATOR

Q902

Q901

Q906

Q905 D991

220V

127V

110V

SW991

VOLTAGE

SELECTOR

+B9

TO CD UNIT

+7.3V(CD)

Q904

SWITCHING

VOLTAGE

REGULATOR

F999

T5mA L 250V

Q908

Q908

D992~D995

VOLTAGE

REGULATOR

Q951

F997

T2A L 250V

T.F

F990

T3.15A L 250V

AC POWER

SUPPLY CORD

AC 110/127/220

230–240V

50/60HZ

VF1

(AC)

VP VF2

(AC)

Figure 21 BLOCK DIAGRAM (3/3)

– 21 –

CD-C449W/K449W

A

B

C

D

E

F

A

F

C

LD

K

E

B

LD

GND

MON

2200P

LT0H30M1 1M

2200P

1M

TR+

FO+

FO–

TR–

ACTUATOR

PICKUP UNIT

M1

SPINDLE

MOTOR

M

M2

SLED

MOTOR

+

M

–

+

–

SW4

PICKUP UNIT

CNS1B

K

E

5

4

A

B

F

3

2

1

6

5

4

3

2

1

6

5

4

3

2

1

5 K

4 E

3 A

2 B

1 F

CNS1A

1 K

A 2

3

4

5

B

E

F

1

2

3

4

5

1 TR–

2 TR+

3 FO+

4 FO–

5 GND

6 PD

7 VR

8 LD

TR–

TR+

FO+

FO–

GND

PD

VR

LD

1

2

3

4

5

6

7

8

1

2

TR–

TR+

3

4

5

FO+

FO–

GND

6

7

8

PD

VR

LD

1

2

3

4

5

6

7

8

6

5

4

3

2

1

6

5

SP+

4

3

2

SP–

SL+

SL–

1

PU-IN

C15

0.01

R2

1K +B

C1

47/16

0V

C2

0.01

5V

R1

10

Q1

KTA1266

C3

1/50

R46

560

C85

0.001

R45

4.7K

C29

4.7/50

C28

0.1

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49

VCC

2.5V

1

FIN2

2.5V

2

FIN1 REF

RF

REF

NC 48

0V

TBC 47

FSC 46

2.5V

FE1

REF

FEBAL

C4 0.1/50

TE

C54

0.001 R10

2.2K

C5

0.033

2.5V

8

TESI

2.5V

9

SCI R11

6.8K

C6

0.033

R12

100

R13 1K

R14 27K

C9

0.047

R15

12K

C7

0.1/50

C8 0.068

2.5V

10

TH

C10

180P

2.5V

11

TA

2.5V

12

TD–

2.5V

13

TD

R16

3.3K

2.5V

3

E

2.5V

4

F

R8

15K

2.5V

5

2.5V

6

2.5V

TB

TE–

7

TE

2.5V

14

JP

2.5V

15

TO

+–

2.5V

16

FD

REF

REF

VCR

VCR

–+

DEF

HFL

DRF

FOSTA

TOSTA

2FREQ

CLK

CE

CL

DGND

45

0V

REF

REF

– +

GEN

BAL

VCR

REF

HIST.COMP

SHOCK;WCOMP

REF

GEN

JP

WCOMP

REF

TO FSC

GEN

TGL1

THDL

REF

VCR

+ –

THD

GL

IC1

LA9241M

8/12CM

SERVO AMP.

SLOF

VCC

REF

+

-

REF

+–

+

-

PSTR

+–

REF

JP

REF

10

+

LASER

FSTA

JP–

JP+

CV–

CV+

REF

OR

SLOF

DAT

REF

SLI

44

2.5V

R44

33K

P-ON RES

+ –

REF

RF

+ –

SLC

C27

0.001

43

2.5V

RFS–

42

2.5V

C24

2.2P

RFSM

R40

5.6K

C26

0.033

R41

47K

C25

27P

R42

47K

HF

R43

56K

R39

1K

R38

470

C23

0.0027

CV+

CV–

SLOF

HFL

TES

TOFF

TGL

JP+

40

0V

39

38

0V

5V

37

0V

0V

36

35

5V

34

5V

33

0V

C22

220P

REF

R22

22K

17

R17 33K

R18 15K

R19

1K

C11

0.1

R23

10K

VREF

R24

47K

20 21 23 24 25 26 27

2.5V

C13

330P

R26

82K

C17

0.001

R30

6.8K

R25

1.5K

C14

0.01

R31

1.2K

C18

0.47/50

GND

C12

0.1

C35

1/50

R37

82K

D1

1SS133

C36

100/16

2.5V

2.5V

1

2

0V 3

2.5V

2.5V

4

2V

2V

0V

0V

5

6

7

8

9

0V

0V

10

11

2V

12

2V

2.5V

13

2.5V

14

15

0V 16

4.7V

17

0V

+

STAND

BY

TSD

–+

+

IC3 M56748FP

FOCUS/TRACKING

/SPIN/SLIDE DRIVER

36

0V

0V

35

34

0V

33

2.5V

2.5V

32

1.8V

31

1.8V

30

0V

29

0V

28

27

0V

26

0V

25

2V

24

2V

2.5V

23

22

2.5V

20

4.7V

19

R48

10K

D2

RL104A

D3

RL104A

D4

RL104

CD MOTOR PWB-K

G

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.

1 2 3 4

Figure 22 SCHEMATIC DIAGRAM (1/15)

– 22 –

5 6

CD-C449W/K449W

29

/50

C28

0.1

R44

33K

C26

0.033

R41

47K

R42

47K

C25

27P

R40

5.6K

HF

R43

56K

R39

1K

R38

470

C23

0.0027

+B

C22

220P

C57

0.001

CD SIGNAL

+B

R57 1K

R58 1K

R59 1K

R60 1K

R61 1K

R62 1K

R63 1K

C38

0.01

64 63 62 61 60 59 58 57 56 55 54 53 52

0V

TEST1

DEFI

1

C39 0.047

R51 3.3M

C40

0.047

0V

R52

0V

R50

680

27K

0V

IC2

LC78622K

4

CONTROL

2.2V

5

µ -COM

INTERFACE

2K x8BIT

RAM

5V

ERROR CORRECT

FLAG CONTROL

R53

1.2K

1V

0V

2.5V

2.5V

8

9

CONTROL

0V

TEST2

SYNC-DETECT

EFM DEMODULATE

0V CLV+

CLV–

CLV

0V

5V

13

V/P

DIGITAL SERVO

16

TES

SERVO

COMMAND

EXTERNAL

OUTPUT

51 50 49

SUB-CODE

EFLG

48

47

SBSY

XVSS 46

X-TAL

GENERATOR

4FS

DIGITAL

FILTER

XIN

45

XOUT

XVDD

44

43

C53

0.022

1BIT

DAC

MUTER

RVDD

41

RCHO

RVSS

40

39

LVSS

42

38

LCHO

LVDD

MUTEL

PCCL

37

36

35

34

TEST4 33

DIGITAL

OUT

C41

12P

C42

15P

R93 @ 220

D82

1SS133

D81

1SS133

C72

10/50

R72

2.7K

C43

330/6.3

R71

2.7K

C71

10/50

R74

560

R73

560

C74

0.001

C73

0.001

+B

CNP11

+B

4

5

CNSF11

FROM MAIN PWB

P24 1-B

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

R54

330

+B

DOUT

+4.3V

GND

CNPR11

TO MAIN PWB

P27 12-D

Q51

KRC107 M

3 2

1

C50

3.3/16

L61

0.82

µ

H

C51

100/16

Q52

KTC3203 Y

R64

22

R66

330

+B

+B D1

1SS133

R47

10K

C37

0.022

D3

RL104A

D4

RL104A

+B

IC81

TA7291S

LOADING

MOTOR DRIVER

1 2 3 4 5 6 7 8 9

C82

47/16

R83

3.9K

R85

56

R82

6.8K

R81

3.9K

R80

6.8K

Q93

KRC102 M

R87

10K

3 2

1

R86

2.2K

Q91

KTA1271 Y

D91

1SS133

+B

SOLENOID2

LOCK

4

5

6

1

2

3

7

8

9

SOL

GND(M)

M–

M+

GND(D)

OPEN

/CLOSE

DISC NO.

GND(D)

MECHA UP

1

2

3

4

5

6

7

8

9

GND(D)

4

5

6

1

2

3

–

+

M

M3 T/T

UP/DOWN

LOADING

MOTOR

SW1

OPEN

CLOSE

SENSOR PWB-J

SW2

MECHA UP

1

2

CNS5

1

2

SW3

DISC NUMBER

CD SERVO PWB-B

CNSF12

FROM MAIN PWB

P24 1-D

• The numbers 1 to 12 are waveform numbers shown in page 18.

7 8 9 10

Figure 23 SCHEMATIC DIAGRAM (2/15)

– 23 –

11 12

CD-C449W/K449W

A

B

D

E

F

G

CNSD01

TO DISPLAY PWB

P30 1-D

10

9

8

7

6

5

4

3

GND(D)

GND(D)

2

1

+4.6V(D)

+12V(M)

COM1

RESET

DATA1

STB

SCK1

CNP11

TO CD SERVO PWB

P23 11-C

CD R-CH

GND(Au)

CD L-CH

GND(CD)

+7.3V(CD)

+12V(M)

1

2

3

4

5

6

C

RWC

WRQ

COIN

SQOUT

CQCK

RES

DRF

D2GND

SLD+

SLD–

PUIN

OP/CL

DISC2NO

CNP12

UP/DOWN

TO CD SERVO PWB

P23 8-H

12

13

14

9

10

11

5

6

7

8

1

2

3

4

GND(D)

CL(

µ

CON SIDE DI)

DO

CE(CE1)(

µ

CON SIDE DO)

DI

+12V(A)

GND(A)

TUN MUTE

L-CH

R-CH

CNP303

TO TUNER PWB

P33 11-H

8

9

10

4

5

6

7

1

2

3

11

1

6

7

8

9

10

4

5

2

3

11

QG04

KTA1266 GR

4.1V

3.8V

0V

+12V(A)

GND(A)

CG08

0.001

+B

RG01

220K

M +12V

M_GND

1

2

TA_FR SPEED 3

TA_MOT_SW

TA_SOL

T2_A_FP

TA_CAM_SW

T1_RUN

T2_RUN

T2_B_FP 10

T1_CRO2

T2_CRO2

11

12

4

5

6

7

8

9

TA_T1/T2 13

PB_MUT

TA_BIAS

14

15

HIGH_SP 16

TA_R/P 17

REC_MUT 18

TA_PB-EQ 19

GND(BIAS) 20

+12V(A)

GND(A)

21

22

REC L-CH

REC R-CH

23

24

PRE L-CH 25

PRE R-CH 26

1

2

3

4

5

6

12

13

14

9

10

11

5

6

7

8

1

2

3

4

+B

+B

0V

CG07

22/25

RG10

47K

RU95

2.2K

RU96

2.2K

0V

0V

0V

0V

+B

+B

GND(CD2)

GND(CD1)

GND(D)

+7.3V(CD)

+12V(M)

+4.6V(D)

+B

+B

+B

+B

RG11

10K

CD-K449W

ONLY

CG61

0.022

+4V(

µ

-C

GND(

µ

CD-K449W

ONLY

RG23

10K

DG06

1SS133

10/100

RG05

10K

SWF02

SPAN

SELECTOR

9/50

RF80

1K

RF61

22K

CD-C449W

ONLY

RG24 10K

RG08 10K

RG57 10K

RG58 10K

RG59 10K

RF81

RF82

RF94 1K

RF95 1K

RF96 1K

1K

1K

MIC_DET

81

H/P SW

82

S/N

83

SRS_A/NA

84

DOL_A/NA

85

S.W_ANA

86

87

80 79 78 77 76 7 5 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51

PL1 (0V)

PL2 (4.0V)

PL3 (4.0V)

P30

81

82

83

PL5 (0V)

PL4 (0V)

PL0 (0V) 50

49

PC4 (4.0V)

PC3

(4.0V) PC1

(4.0V) PC0

PB7

(3.8V) PB6

VSS

88 P31

89 VSS3

VDD

90 VDD3

CD UP/DOWN SW

91 P32

CD DISC No.SW

92 P33 (4.0V)

CD OP/CL SW

93 P34

ICF01

IX0235AW

SYSTEM CONTROL

MICROCOMPUTER

48 PC2

PB5

(4.0V) PB4

(0V) PB3

(0V) PB2

(4.0V) PB1

PB0

50

49

43

42

41

40

39

38

FRNT_RLY

48

47

AMP

46

PB_MUT

45

TA_T1/T2

44

REC_MUT

TA_R/P

TA_BIAS

FR SPEED(

HIGH_SP

TA MOTO

94 P35 98 P03 (4.0V) 33 PA3 (4.0V) (4.0V) PA7 37

FAN CONT

BEAT_CU

TAPE_SOL

95 P00 99 P04 32 PA2 (4.0V) (0V) PA6 36

CAM_SW

RF97 1K CD MUTE

96

97

P01

P02 (8.8V)

100 P05 (0V) 31 PA1 (4.0V) (4.0V) PA5

(4.0V) PA4

35

34

T2_CRO S

T1_CRO S

98 33

T2_B-FP S

99 32

T2_A-FP S

100 31

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

RG04 10K

RF30

1K

RG16

47K

RG19

47K

RG26

10K

RG38

100K

RG25

10K

GND(A)

+B +12V(A)

–15V –B

+B

+B

+B

+B

CH29

0.022

+B

RH11

22K

CH28

0.022

ICH11

NJM4558M

MOTOR

DRIVER

0V

2 –

3 +

0V

12.5V

8

(1/2)

0V

1

4

-11.9V

RH12

1K

CH10

47P

0V

6 –

5

0V

+

(2/2)

RH13

820K

7

0V

RH17

1.5K

RH20

1.5K

RH25

1.5K

RH30

1.5K

RH35

1.5K

CH19

0.47/50

+B

CH23

0.0047

CH22

0.1

+B

CH26

0.0012

+B

CH13

330P

CH30

0.0056

+B

CH17

0.047

RH14

560K

RH15

33K

RH21

560K

CH16

1/50

+B

CH20

0.015

RH22

33K

RH26

560K

RH27

33K

RH31

560K

RH32

33K

RH36

560K

CH25

0.027

RH37

33K

DH13

1SS133

CH21

0.22/50

DH14

1SS133

CH24

0.22/50

DH11

1SS133

CH15

0.22/50

DH12

1SS133

CH18

0.22/50

DH15

1SS133

CH27

0.22/50

DH16

1SS133

16KHz

SPE-1

RH16

470K

DH17

1SS133

63Hz

SPE-2

RH24

470K

DH18

1SS133

250Hz

SPE-3

RH29

470K

DH19

1SS133

1KHz

SPE-4

RH34

470K

DH20

1SS133

4KHz

SPE-5

RH39

470K

GND(A)

REC L-CH

REC R-CH

PRE L-CH

PRE R-CH

CH12

10/16

TUN L

TUN R

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.

1 2 3 4

Figure 24 SCHEMATIC DIAGRAM (3/15)

– 24 –

5 6

+4V(

µ

-CON)

GND(

µ

-CON)

+4V

RNT_RLY

AN CONT

RF50 1K

RF49 1K

MP

B_MUT

A_T1/T2

REC_MUT

RF47 1K

RF46 1K

RG55 1K

RF44 1K

K

6

9

A_R/P

EAT_CUT

A_BIAS

R SPEED(M)

IGH_SP

A MOTOR

APE_SOL

CAM_SW

2_CRO S

1_CRO S

2_B-FP S

2_A-FP S

RF42 1K

RF41 1K

RF40 1K

RF39 1K

RF38 1K

RF37 1K

RF36 1K

RF35 1K

RF34 1K

RF33 1K

RF32 1K

RF31 1K

RG17 10K

RG20 10K

RG21 10K

RG22 10K

RG15

10K

0

26

K

QG05

KRC104 M

4.1V

0V

0V

RF99

10K

CD GND(D2)

CD GND(D1)

GND(D)

+7.3V(CD)

+12V(M)

+4.6V(D)

+B

+B

RG37

1K

DG05

1SS133

CG04

0.01

LG01

2.2

µ

H

QG01

KRC102 M

4.0V

2

1 0V

3

0V

CG03

3.3/50

QG02

KTC3199 GR

RG35

1K

4.0V

CG02 0.01

0V

0V

RG34

10K

0V

RG39

82

RG33

10K

4.0V

RG32

100

0.4V

QG03

KTC3199 GR

DG03

1SS133

RG31

1K

RESET

POINT

RG30

150

RG29

150

CG01

470/10

+4V

+B

–B

FM SIGNAL

PLAYBACK SIGNAL

RECORD SIGNAL

CD SIGNAL

CD-C449W

ONLY

CD-C449W/K449W

+B

36 CD GND(D2)

37

38

CD GND(D1)

GND(D)

39 +7.3V(CD)

40

+12V(M)

41 +4.6V(D)

+B

–B

42

43

AMP

S-MUTE

44 SP PROT

45 POSISTOR

46 H/P SW

47 SP LEVEL

48 FAN CONT

49 FRNT RLY(1)

50 POWER

51

52

CL

DI

53 CE

54

55

GND(M)

+12V(A)

56

57

–12V

GND(BIAS)

58 GND(A)

59 GND(D3)

60

61

OUT(L)

OUT(R)

62 IN(L)

63

64

65

IN(R)

GND(A)

+12V(A)

66 PASS

67

68

SRS A

SRS B

69 SRS INH

+B

–B

+12V(A)

–15V

REC L-CH

RU21

RU26

RU25

1K

1K

1K

REC R-CH

CU09

10/50

CU58

2.2/50

RU05

2.7K

CU45

1/50

RU03

15K

CU11

100P

CU57

2.2/50

49

LSELO

(5.0V)

48

CU15

0.47/50

CU17

0.18

(ML)

CU21

0.22/50

CU23

0.15

(ML)

CU25

0.22/50

47 46 45 44 43 42 41 40

CU27

0.027

RU22

CU29

0.015

39 38 37

1K

36

AUX 2 CU35 2.2/50

50

CU07 2.2/50

51

CU05 2.2/50

52

L5

L4

(5.0V)

(5.0V)

L3 (5.0V)

RU93

1K

CU03 2.2/50

53

CU01 2.2/50

54

L2

L1

RU94

1K

(5.0V)

(5.0V)

55 VDD (10.1V)

CU02 2.2/50

56 R1

CU04 2.2/50

57 R2

CU06 2.2/50

58 R3

CU08 2.2/50

59 R4

CU36 2.2/50

(5.0V)

(5.0V)

(5.0V)

(5.0V)

CU46

1/50

CU12

60

61

62

63

R5 (5.0V)

RINVIN1

(5.0V)

RSERO

(5.0V)

RTIN

(5.0V)

64

100P

RU04 15K

1

CU16

0.47/50

RU06

2.7K

CU10

10/50

2 3

CU18

0.18

(ML)

4 5 6

CU22

0.22/50

CU24

0.15

(ML)

ICU01

LC75396N

AUDIO PROCESSOR

7 8 9

CU28

0.027

10 11 12 13

CU30

0.015

CU32

0.0022

CU34

0.0047

14

35

CU33 0.0047

34 33

CU39

10/50

(5.0V)

LFCOM

(5.0V)

LFOUT

32

31

CU42

10/50

(5.0V) LRIN 30

CU61

10/50

(5.0V) LRCOM 29

(5.0V) LROUT 28

CU52

10/50

(5.0V) LVref 27

(0.1V)

(0V)

(CON SIDE DO) DI

(0V)

(0V) CL

(5.0V)

VSS

CE

Vref

(0V) RVref

26

RU09 1K

25

24

RU10 1K

23

RU11 1K

22

CU43

47/16

21

15

(5.0V) RROUT 20

CU40

10/50

16

RRCOM

(5.0V)

RRIN

(0V)

RFOUT

(5.0V)

19

18

17

CU62

10/50

CU41

10/50

CU51

10/50

CU55

47/16

CU64

0.022

CU63

100/16

DU02

1SS133

DU01

1SS133

RU02

470K

27 28 29 30 31 32 33 34 35

VIDEO1 IN VIDEO2 IN

TO PRE SECTION

P28 2 H

7 8

VOLUME

OUT

TO PRE SECTION

P28 6-H

9 10

Figure 25 SCHEMATIC DIAGRAM (4/15)

– 25 –

+B

11

CD-K449W

ONLY

RU23 1K

RU24 1K

CNPU02

1

2

3

4

5

6

7

8

9

V, CAN

OUT(L)

IN(L)

GND(A)

+12V(A)

OUT(R)

IN(R)

GND

MIC

FROM

KARAOKE PWB

P36 3-A

CNSU02

MAIN PWB-A(1/ 4 )

12

CD-C449W/K449W

A

B

C

3.7V

3

QS14 1

KRC107 M

0V

0V

2 RS33

100K

RS34

100K

CS11

2.2/50

CS12

2.2/50

IN(L) 60

IN(R) 61

OUT(L) 62

OUT(R) 63

GND(A) 64

+12V(A) 65

SRS PASS 66

SRS A 67

SRS B 68

SRS INH 69

+B

QS12

KRC107 M

0V

3

0V

2 0V

3

QS11

KRC107 M

1

0V

1.9V

1

12.5V

2

QS13

KRC107 M

3

0V

12.5V

2

1 0V

RS20

10K

CS13

100/16

RS22

10K

QS15

KTC3203 Y

12.6V

11.9V

CS21

4.7/50

CS22

4.7/50

+B

RS11

1K

RS14 100K

RS12

1K

28 27 26

RS13 4.7K

25 24 23 22 21 20 19 18 17

RS16

1K

16 15

ICS01

SRS5250AS

SRS

RS23

2.2K

11.9V

1 2 3 4 5 6 7 8 9 10 11 12 13 14

RS18

10K

CS14

100/16

CS15

100/16

CS16

0.047

(ML)

RS24

22K

RS25

47K

RS29

33K

RS28

100K

RS26

1.5K

CS18

0.0047

CS17

0.47/50

(ML)

RS27

3.9K

QS

2SK24

RS30

4.7K

RS31

4.7K

CS19

0.33/50

RS32

1.5K

5.9V

D

QS16

2SK246 GR

G

5.9V

0V

S

DS03

1SS133

+B

M

D

E

F

G

TO POWER PWB

P35 8-H

FW901

TO DISPLAY PWB

P30 1-B

FWD02

VF1

–38(VP)

VF2

1

2

3

WTP01

VF2

–38(VP)

VF1

3

2

1

WTP02

MAIN PWB-A(3/4)

L CH

RP11

100

ICP11

NJM4565M

BUFFER AMP.

CP15

0.082

(ML)

CP19

0.082

(ML)

RP17

8.2K

0V

5 +

8

ICP11

(1/2)

6 –

11.8V

0V

7

RP21

100

0V

CP23

10/16

RP25

1K

RP27

8.2K

RP15

100K

CP17 47P

RP19

2.2K

CP07

100P

RP16

100K

RP12

100

R CH

CP18

47P

RP20

2.2K

CP08

100P

RP18

8.2K

CP16

0.082

(ML)

CP20

0.082

(ML)

RP22

100

0V

2

0V

–

3 +

ICP11

(2/2)

4

–11.2V

1

0V

RP28

8.2K

CP24

10/16

RP26

1K

0V

0V

0V

0V

CP26 0.001

RP30

5.6K

0.7V

QP12

KTC3199 GR

–B

+B

QP11

KTC3199 GR

0.7V

CP27

0.022

CP25 0.001

RP29

5.6K

CP28

0.022

JR12

L-CH

INPUT

VIDEO/AUX-2

R-CH

JR11

L-CH

INPUT

VIDEO/AUX-1

R-CH

CR10 0.001

CR13

390P

RR15

27K

RR16

27K

CR14

390P

RR11

27K

RR12

27K

CR11

390P

CR12

390P

RR17

2.7K

RR18

2.7K

RR13

1.8K

RR14

1.8K

DR12

1SS133

29 28 27 32 31 30

RP09 100K RP10 100K

35 34 33 43

RP73

22K

CP57

22/25

VIDEO-1 VIDEO-2

TO MAIN SECTION

P25 7-H

TO MAIN

SECTION

P25 10-H

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.

1 2 3 4

Figure 26 SCHEMATIC DIAGRAM (5/15)

– 26 –

5 6

CD-C449W/K449W

CS12

2.2/50

MAIN PWB-A(2/4)

17

RS16

1K

16 15

RS35

4.7K

RS36

1K

5.9V

D

QS18

2SK246 GR

G

0V

5.9V

QS17

2SK246 GR

D

5.9V

S

5.9V

S

0V

G

12 13 14

DS02

1SS133

DS01

1SS133

CS19

0.33/50

RS32

1.5K

5.9V

D

QS16

2SK246 GR

G

5.9V

0V

S

DS03

1SS133

+B

FM SIGNAL

QP11

KTC3199 GR

0.7V

CP25 0.001

CP27

0.022

RP29

5.6K

CP09

100/16

CP26 0.001

RP30

5.6K

0.7V

P12

TC3199 GR

CP28

0.022

CP10

100/16

RP32

150

(1/4)

–B

RP31

150

(1/4)

OUT1(Lch)

GND(A)

OUT2(Rch)

+B

RP73

22K

CP57

22/25

–12V

+12V(A)

GND(D)

+B

43 38 56 58 55

DIGITAL-OUTPUT

ICR11

GP1F38T

1

2

3

CR02

100/10

LR0

2.2

H 1

(DH)

CR01

0.022

RR01

100

ZDR01

MTZJ3.3B

RELAY2

OUT1(L-CH)

RELAY1

GND(A)

FAN CONT

OUT2(R-CH)

SP LEVEL

H/P SW

PROT

POSISTOR

AMP

3

2

1

CNPR11

DOUT

+4.3V

GND

FROM CD SERVO PWB

P23 11-C

CNS99

CR03

0.001

CFWP01

1

2

3

4

5

6

+B

12

13

14

7

8

9

10

11

FWP01

OUT1(FRONT L-CH)

FRNT RLY(1)

GND(A)

FAN CONT

OUT2(FRONT R-CH)

SP LEVEL

GND(M)

TO SPEAKER AMP.PWB

P34 1-B

CFWV11

H/P SW

+12V(M)

FAN SW

PROT

POSISTOR

AMP

–B

+B

+B

+4.6V(D) +B

+B

4

5

6

7

8

9

10

11

1

CNPP01

–12V(A)

2

3

GND(A)

+12V(A)

+12V(M)

GND(M)

+4.6V(D)

GND(D)

+7.3V(CD)

CD GND(D1)

POWER

GND(D3)

TO POWER PWB

P34 3-H

CNS901

49 48 47 46 44 45 42 40 54 41 57 39 37 50 59

3.7V

3

0V 1

2

0V

QP17

KRC107 M

7

TO PRE SECTION

P25 12-A

8 9 10

Figure 27 SCHEMATIC DIAGRAM (6/15)

– 27 –

11 12

CD-C449W/K449W

A

B

C

TAPE MECHANISM ASSEMBLY

MOTOR

MM1

M

SWM3

REC FWD

SWM6

CAM SW

SWM5

F.A.S

SOLM1

SOL

FWM2

L

H

+

2

TAPE MICHANISM PWB–H

VRM1

3.3K(B)

RM1

2.7K

PHM1

L

H

1

2

MOT+B

REC FWD

3

CAM SW

M2GND

F.A.S

RUN PULSE

7

+B

SOL

8

9

REC RVS

10

11

4

5

6

FWM1

1

12

13

13

MOT L

MOT H

MOT +B

T2 A-FP

CUM SW

M2GND

T1 RUN-SW

T2 PH-OUT

+B

SOL

T2 B-FP

4

5

6

7

8

9

10

11

12

13

1

2

3

WTL11

SWM4

REC RVS

PLAYBACK SIGNAL

RECORD SIGNAL

RL13

6.8K

QL11

KTA1266 GR

0.26V

0.26V

0V

0.26V 0.26V

RL12

2.2K

RL11

33K

0V

QL12

KTA1266 GR

RL14

33K

QL14

KTA1273 Y

12.6V

0.26V

CL12

47/16

12.6V

QL15

KTA1271 Y

12.6V

RL15

10K

RL17

10(1/2W)

0V

12.6V

RL18

10K

QL13

KRC104 M

2

0V

3

3.8V

1 0V

RL16

2.2K

QL17

KRC104 M

2 3

0V 4V

1 0V

QL18

KRC104 M

12.5V

0V

RL19

2.2K

RL20

1.2K

DL13

1SS133

DL14

1SS133

DGND

D

RK33

22K

E

F

TAPE2

RECORD/

PLAYBACK HEAD

ERASE

HEAD

TAPE2 HEAD

PWB-G

1

2

3

4

5

6

G

TAPE1

PLAYBACK HEAD

L-CH

R-CH

3

2

1

CNSK01

3

2

1

CNPK01

7

6

5

4

3

2

1

7

6

5

4

3

2

1

CK01

680P

CK02

680P

CK05

330P

RK89

1K

QK03

2SC1845 F

QK05

2SC1845 F

0V RK03

2.2K

0V

0.7V

0.7V

0V

RK05

3.3K

RK11

15K

CK06

330P

RK90

1K

QK06

2SC1845 F

QK04

2SC1845 F

0V

0V

0V

RK12

REC

15K

0.7V

RK06

3.3K

0.7V

RK04

2.2K

RK01

1K

RK02

1K

QK07

KTC3199 GR

0V

RK09

4.7K

0V

RK07

47K

0V

CK07

0.001

RK08

47K

0V

RK10

4.7K

0V

0V

QK08

KTC3199 GR

CK08

0.001

RK17

1K

RK18

1K

PB EQ CrO2

0V

QK13

KRC104 M

3

2

0V

0V 1

RK27

8.2K

RK34

68K

RK19

56

RK21

100K

RK23

3.9K

RK25

5.6K

CK23

0.1

RK31

33K

0V

1

24

0V

CK11

330P

CK15

47/16

CK17

0.033

CK19

560P

0V

2

CK13

330P 3

0.5V

CK21

1/50

4

3.2V

–

+

112K

HIGH=T1

23

0V

22

0.6V

+

-

112K

3.0V

CK22

1/50

21

0V

5

0V

RK30

10K

20

CK25

0.0082

RK29

10K

0.8V

19

1.3V

6

CK12

330P

CK14

330P

CK16

47/16

CK18

0.033

CK20

560P

CK26

0.0082

RK26

5.6K

CK27

0.022

RK37

6.8K

0V

RK38

6.8K

CK28

3.3/25

7

CK31

470P

CK33

22/25

HIGH=CHROM

0V

18

CK34

22/25

CK32

470P

RK20

56

RK22

100K

RK24

3.9K

CK24

0.1

QK14

KRC104 M

3

0V

0V

1

2

0V

RK28

8.2K

RK32

33K

RK36

3.3K

RK47

10K

CK30

470P

9.1V

9.2V

QK09

KTA1266GR

0V

RK13

10K

REC

REC

CK09

0.022

RK14

10K

0V 3.9V

QK10

KRC104M

0V

1

RK15

4.7K

0V

QK11

KRC104M

CK60

100/16

RK69

220

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.

1 2 3 4

Figure 28 SCHEMATIC DIAGRAM (7/15)

– 28 –

5 6

CD-C449W/K449W

17

04 M

3

4V

0V

TA2F/R SPEED

QL18

KRC104 M

2

12.5V

3

0V

1 0V

2

12.5V

1

0V

3 0V

QL19

KRC104 M

RL24

3.3K

DL11

1SS133

CL13

3.3/50

0V

3

0V

1

2 4.1V

QL16

KRC107 M

TA2MOT2SW

M212V

TA2SOL

T22A2FP

TA2CAM2SW

M2GND

T12RUN

T22RUN

T22B2FP

T12CRO2

MAIN PWB-A(4/4)

3 TA_F/R SPEED

4 TA_MOT_SW

1 M_12V

5 TA_SOL

6

7

2

8

T2_A_FP

TA_CAM_SW

M_GND

T1_RUN

9 T2_RUN

10 T2_B_FP

11

12

T1 Cro2

T2 Cro2 H:Cro2

L: NORM

PB.MUTE

RK47

10K CK10

47/25

QK17

2SC2878 A

0V

0.7V

RK43

10K

0V

CK43

0.022

QK18

2SC2878 A

RK48

10K 0.7V

0V

0V

CK44

0.022

7

K

V

7

CK31

470P

CK33

22/25

CK35

0.022

RK39

LK01

1.8mH

8

560

0.6V

–

+

0V

2

3.8V

3

CK37

0.018

QK15

KRC104 M

RK41

82

CK39

0.0033

2 3

0V 3.8V

HI.SP

QK19

KRC104 M

3.1V

9

CK41

47/25

0V

15

RK50

10K

CK46

220/10

CK45

22/25

3.8V

6.3V

14 13

CK47

0.022

56K

NOR/CrO 2

HIGH=CHROME

ICK01

–

AN7345K

18

0V

38

K

56K

CK34

22/25

17

0.6V

LK02

1.8mH

CK32

470P

RK40

560

CK36

0.022

3.0V

16

CK40

0.0033

RK42

82

QK16

KRC104 M

2 3

CK38

0.018

1

CK42

47/25

ALC

10

3.0V

RK46

10K

ALC GND

11

0V 0V

12

RK52

1K

6

K

CK30

470P

HI.SP

RK57

4.7K

13 TA T1/T2H:T1 L:T2

14

25

PB.MUTEH:ON L:OFF

PRE L-CH

16

HI. SP H:LOW L:HIGH

26 PRE R-CH

CK55

0.022

22 GND(A)

21 12V(A)

RK58

470

CK62

0.047

RK60

270

QK24

KTA1266 GR

RK61

270

LK03

1mH

RK62

47K

12.5V

0.27V

QK26

KRC104 M

12.5V

0.3V

BIAS

QK25

RK64

4.7K

KTA1266 GR

0.3V

2

1 0V

3

0V

0.26V

RK63

10K

RK65

10K

2

1

0V

0V

0.3

V

3

QK27

KRC104 M

RK66

27K

RK67

47K

CK50

0.0082(P.P)

0.3V

RK68

4.7

CK51

0.027(ML)

LK04

330 µ H

0.3V

QK28

2SC2236 Y

0V

CK52

47/16

QK22

KTC3199 GR

0V

0.7V

0V RK54

10K

0.7V

RK53

10K

QK40

KRC107 M

5.4V

3

1

0V

2

0V

RK55

33K

RK74

82K

0V

3

QK30

KRC104 M

1

0V

2 5.4V

RK81

6.8K

3

5.4V

1 0V

2

QK29

KRC107 M

0V

RK75

82K

RK56

33K

0V

QK21

KTC3199 GR

0V

RK73

27K

RK72

27K

15 BIAS H:ON L:OFF

23

24

REC L-CH

REC R-CH

17 TA R/P @ H:PB L:REC

18 REC MUTE

19

20

TA BE EQ L:NORM

H:Cro2

GND(BIAS)

7 8 9 10

Figure 29 SCHEMATIC DIAGRAM (8/15)

– 29 –

11 12

CD-C449W/K449W

FM SIGNAL

A

RV91

220

X2 JV91

HEADPHONE

HP-LCH

GND(A)

HP-RCH

GND(M)

5

WTV11

TO SPEAKER

AMP.2 PWB

P35 12-C

H/P SW

1

FWV91

5

1

RV92

220

CV91

100

LV91

2.2

µ

H(XH)

CV92

100

HEADPHONES PWB-C3

B

WTP01

TO MAIN PWB

P26 1-E

3

1

3 VF2

–38(VP)

1

VF1

C

D

GND(D)

+4.6V(D)

+12V(M)

COM1

RESET

DATA1

STB

SCK1

CNPF01

FROM MAIN PWB

P24 1-B

10

9

8

7

6

5

4

3

2

1

+B

+B

+B

LEDD20

KL052UL

RD54

1.2K

QD07

KRC107 M

2 3 R-PLAY

1

LEDD21

SLR505MC

2 3 REW

RD55

820 1

QD08

KRC107 M

E

1 2 3 4 5 6

+B

CD28

1/50

+B

(YELLOW)

F-PLAY

(YELLOW)

STOP

(GREEN)

FF

(YELLOW)

PAUSE

LEDD05

SLR325MG

LEDD07

SLR325VR

LEDD08

SLR325MG

LEDD10

SLR325VR

LEDD11

SLR325MG

LEDD01

KL052UL

LEDD02

KL052UL

LEDD03

SLR505MC

RD49

1.2K

2

RD48

1.2K

2

2

LEDD04

KL052UL

RD50

820

2

1

3

1

3

1

LEDD06

SLR325MG

RD51

1.2K

2

1

3

3

3

RD52

560

2

RD53

1K 1

1

3

QD05 KRC107 M

QD06

KRC107 M

RD04 1K

QD01

KRC107 M

QD02

KRC107 M

QD03

KRC107 M

QD04

KRC107 M

RD03

1K

LEDD09

SLR325MG

SLR325MG

LEDD13

LEDD12

SLR325VR

RD05 1K

RD06 1K

RD07 560

RD08 1K

RD09 560

RD10 1K

RD02

1K

RD01

1K

80 79 78 77 76 75 74

FF

PAUSE

81

82

83

84

PG1

(0V)

PG2 SRS-G

(4.0V)

PG3 SRS-R (0V)

81 PG0 (0

85 P00 PHANT-G (0.6V)

P01 PHANT-R (10.8V) 86

87 P02 VIRTUAL-G (–6V)

RD11 560

RD12 1K

RD13 560

RD14 1K

RD15 1K

RD16 1K

RD17 1K

88

VSS

89

VDD

90

P03 VIRTUAL-R (10.8V)

VSS2 (0V)

91

VDD2 (4.1V)

P04 NORMAL-G (0.6V)

94

DATA1

95

COM1

96

SCK1

97

92

93

P05 NORMAL-R (10.8V)

P06 STEREO-G (9.0V)

P07 STEREO-R (0.4V)

SO0 (0V)

SI0 (0V)

SCK0 (4.0V)

100 SCK1

LEDD14

SLR325MG

98 SO1 (0V)

99

100

SI1 (0V)

LEDD16

SLR325VR

LEDD15

SLR325MG

2 3 4 5 6 7

STROBE

1

LEDD17

SLR325VR

LEDD18

SLR325MG LEDD19

SLR325MG

RD19

1K

+B

RD21

1K

RD22

1K

RD2

1K

CD10

220/6.3

CD11

0.022

2

RD57

39

1 3

RXD01

REMOTE

CONTROL

SENSOR

CD09

150P

DD01

1N4004S

DD02

1SS133

RD58

100K

RD59

100K

CD05

0.001

F

G

SWD11

FLAT

SWD18

SRS/DEMO

RE09

27K

SWD10

HEAVY-1

RE08

12K

SWD09

HEAVY-2

+B

RE07

5.6K

SWD08

VOCAL

RE06

3.9K

SWD07

SOFT

RE04

3.9K

RE02

2.2K

SWD03

X-BASS

RE17

5.6K

SWD17

F-PLAY

RE16

3.9K

SWD16

REC/PAUSE

RE15

2.2K

SWD15

HIGH EDIT

RE14

1.8K

SWD14

NORMAL EDIT

RE13

1.2K

SWD13

STOP

RE12

1K

SWD12

TUNING UP/CUE

SWD38

CLEAR

RE22

1K

RE39

27K

SWD37

SLEEP

RE38

12K

SWD36

RE37

5.6K

SWD35

TIMER

MEMORY

RE36

3.9K

SWD34

CLOCK

RE35

2.2K

SWD33

R-PLAY

RE34

1.8K

SWD32

REVERSE

MODE

SWD22

BALANCE LEFT

RE33

1.2K

SWD31

CD

PAUSE

SWD21

BALANCE RIGHT

RE32

1K

SWD30

TUNING DOWN

/REWIND

KEY1

RE01

8.2K

KEY2

RE11

8.2K

RE21

8.2K

KEY3

RE31

8.2K

KEY4

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.

1 2 3 4

Figure 30 SCHEMATIC DIAGRAM (9/15)

– 30 –

5 6

CD-C449W/K449W

FLD01

FL DISPLAY

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47

D01

1K

+B

78 77 76 75 74 73 72

-G

-R (0V)

81 PG0 (0V)

NT-G (0.6V)

NT-R (10.8V)

UAL-G (–6V)

UAL-R (10.8V)

V)

1V)

RMAL-G (0.6V)

RMAL-R (10.8V)

REO-G (9.0V)

REO-R (0.4V)

0V)

100 SCK1 (0V)

71 70 69 68 67 66 65 64 63 62 61 60

ICD01

IX0234AW

LF DRIVER AND

CONTROLLER

59 58 57

31

56 55 54

50 S19 (–30V)

S1 (0V)

53 52

–29(VP)

51

(–21V) S18

(–30V) S17

(–26V) S16

(4.0V) VDD3

(–29V) S15

(–29V) S14

(–29V) S13

(–29V) S12

(–29V) S11

(–29V) S10

(–29V) S9

(–29V) S8

(–29V) S7

(–29V) S6

(–29V) S5

(–29V) S4

(–29V) S3

S2

(–29V)

50

S24

49

S25

48

S26

47

S27

46

VDD

G1

45

44

G2

43

G3

G4

42

41

G5

40

G6

39

G7

38

G8

G9

37

36

G10

35

G11

G12

34

33

32

G12

31

+B

3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

0V

CD05

0.001

KEY1

RE01

8.2K

KEY2

RE11

8.2K

RE21

8.2K

KEY3

RE31

8.2K

KEY4

RD26

1K

RD60

10K

RD61

10K

SWD01

VOL JOG

CD06

0.001

KEY5

KEY6

RE51

8.2K

XD01

CD01

0.022

CD02

100/10

+B

LD01

2.2

µ H

CD07

0.001

RD64

10K

RD65

10K

CD08

0.001

SWD02

JOG

JOG PWB-C4

RE41

8.2K

SWD39

VIDEO/AUX1

RE42

1K

SWD40

VIDEO/AUX2

RE43

1.2K

SWD41

TAPE

1/2

+B

RE44

1.8K

SWD42

TUNER/BAND

RE45

2.2K

SWD43

CD

DISC 3

DISC 2

DISC 1

QD10

KRC107 M

3 2

RD70

820 DISC 3

3

1

1

2

RD71

820

QD11

KRC107 M

3

DISC 2

2

1

RD72

820

QD12

KRC107 M

DISC 1

SWD48

POWER

RE52

1K

RE53

1.2K

SWD49

KARAOKE

CD-K449W

ONLY

+B

6 1

FWD01

6 1

SWD54

OPEN/CLOSE

RE57

5.6K

SWD53

DISC

SKIP

RE56

3.9K

SWD52

DISC3

RE55

2.2K

SWD51

DISC2

RE54

1.8K

SWD50

DISC1

DISPLAY PWB-C1 SWITCH PWB-C2

7 12 8 9 10

Figure 31 SCHEMATIC DIAGRAM (10/15)

– 31 –

11

CD-C449W/K449W

FM SIGNAL

A

B

C

D

E

SW1

SW2

MW

GND

FM

75ohms

SO301

ANTENNA

TERMINAL

F

G

MW/SW1/SW2 SIGNAL

C338

0.001

D301

1SS133

D302

C303

0.022

C304

0.022

C305

0.047

R317

10K

R310

22K

SW2

D305

1SS135

TRACKING

R318 1.5K

D306

1SS135

SW1

TRACKING

D308

1SS135

L311

560 µ H fL fH fL fH

D307 1SS135

T304

SW2 ANT

T303

SW1 ANT

T302

MW TRACKING

MW ANT

C306

10P (UJ)

VD302-B

KV1236Z23F

Q309

2SC2878 B

0V

0V

R312

33K

0V

D309

1SS135

TC302

C308 (UJ) 0V

8.2P

0V

R314

3.3K

0V

TC303

R311

100K

C309

330P

Q308

2SC2878 B

D310

1SS133

C310

0.001

R316

22K

D311

1SS135

VD301-1

KV1236Z23F C311

0.022

R319

100K

C330

8.2P

(UJ)

C331

0.047

1SS133

R320

10K

C316

0.1

R322

5.6K

C318

0.022

R328

10K

C315

0.1

C319

0.022

D316

1SS135

SW1

TRACKING

SW1 BAND

COVERAGE fH fL

SW1 OSC

T307 fL fH

SW2 OSC

T308

TC304

TC305

0V

0V

R329

100K

R327

5.6K

0V

Q307

2SC2878 B

0V

0V

0V

Q306

2SC2878 B

VD301-2

KV1236Z23F

VD302-A

KV1236Z23F

C320

0.0018

R330

1K

R324

100K

MW BAND

COVERAGE

R323

68K

MW OSC T306

C334

18P

(UJ)

C336

470P

R302

82

D313

1SS133

D314

1SS133

C321

R325

56K

0.0039

R326

1K

BFT01

FM BAND PASS

FILTER

RF

ICT01A TA7358AP

FM FRONTEND

B.A

MIX

OSC

1

RT01

100K

2 3 1

CT01

18P(CH)

CT02

0.01

CT04

0.001

2 3 4

CT03

4.7P

FMRF

5 6

CT11

15P

(CH)

7

RT06

10

LT02

FM BAND

COVERAGE

8

CT12

33P

VCC

9

CT16

10/16

2

CT05

6.8P

(UJ)

FMIF

TT01

FM

OSC

CT13

3.9P(UJ)

RT04

47

CT14

22P(CH)

RT08

10K

3

D303

1SS133

RT03

22

RT05

47K

C390

100P

D304

1SS133

C301

0.001

RT07

680

QT01

2SC535 C

AMP

RT09

820

1

C312

0.022

R343

47K

2

3

RT10

4.7K

C313

0.022

R342

47K

1

0V

2

3

R341

47K

1

3

C342

0.022

1

VR351

10K(B)

FM MUTE

LEVEL

L356

1mH

CF302

10.7MHz

FM1F

1 3

+B

2

+B

+B

Q

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.

1 2 3 4

Figure 32 SCHEMATIC DIAGRAM (11/15)

– 32 –

5 6

CD-C449W/K449W

TUNER PWB-E

3

C342

0.022

1

VR351

10K(B)

M MUTE

EVEL

Q365

KRC107 M

2

C343

15P (CH)

R358

8.2K

L353

1mH

L356 mH

CF302

10.7MHz

FM1F

1 3

2

1

24 23 22

2 3

T351

21

4

R352

1K

1 3

20 19 18

R350

2.7K

C367

1/50

TP 302

17 16 15

IC303

LA1832

FM IF DET./FM MPX./AM IF

R-CH OUT

14

C371

1/50

C372

1/50

L-CH OUT

13

R363

1.5K

R361

5.6K

R362

5.6K

0V

MUTING

Q353

KTC3199 GR

0.65V

0V

R367

1K

10K

R365

C375

3.3/50

R368

33K

0V

0.65V

R366

10K

5 6 7 8 9 10 11

C357

2.2/50

C358

1/50

12

R355

3.3K

C356

0.001

0V

Q354

KTC3199 GR

MUTING

R354

4.7K

2

C354 0.022

AMIF

+B

+B

R393 1K

R382

150

C381

C397

0.022

12P (CH)

C394

47/16

C392

0.001

L351

100 µ H

R381

10K

R380

1.5K

C385

0.01

C393

2.2/50

22 21 20 19 18

IC302

LC72131

PLL CONTROLLER

17 16 15 14 13 12

R396

1K

C382

15P (CH)

1 2 3 4 5 6 7 8 9 10 11

R360

4.7K

R398 1K

R373 1K

R374 1K

R371 1K

R372 1K

FMIF

R377

47K

R395

47K

R390

82K

R359

1.8K

L352

100 µ H

ZD351

MTZJ4.7B

C396

100/10

+B

C395

0.022

R391

390

Q360

KTA1266 GR

11.6V

R392

390

12.18V

11.37V

R383

5.6K

R385

5.6K

2

C391

47/16

R384 5.6K

1

3

ZD352

MTZJ3.9B

Q361

KRC107 M

D351

1SS133

R387

22K

C383

0.0022

+B +B

GND(D)

CNP303

1 2 3 4 5 6 7 8 9 10 11

7 8

FROM MAIN PWB

P24 1-E

CNSF13

11 9 10

Figure 33 SCHEMATIC DIAGRAM (12/15)

– 33 –

12

CD-C449W/K449W

A

B

TO MAIN PWB

P27 12-E

CFWP01

C

FWP01

OUT1(L-CH)

RELAY1

GND(A)

FAN CONT

OUT2(R-CH)

SP LEVEL

GND(M)

H/P SW

+12V(M)

FAN SW

NC

PROT

POSISTOR

AMP

1

2

3

4

5

6

10

11

12

13

14

7

8

9

FR

FM SIGNAL

CV11

2.2/50

CV13

2.2/50

CV15

470P

CV16

470P

CV12

2.2/50

CV14

2.2/50

RV13 56K

RV14 56K

RV17

1K

RV18

1K

RV19

270

CV19

100/50

0V

14

CV17

47P

0V

13

ICV01

POWER AMP.

STK407-09

41.1V

9

CV21

15P

RV23

1K

RV21

56K

QV16

KTC3199 GR

RV36

22K

0V

41.4V

RV35

2.2K

0.67V

QV17 KTA1268 GR

0V

RV37

47K

3

42.1V

RV25

100(1/2W)

Fusible

CV23

47/63

RV20

270

CV20

100/50

RV22

56K

RV38

10K

DV21 1SS133

RV71

820

CV24

47/63

RV26

100(1/2W)

Fusible

CV27

1000/6.3

RV63

120K

CV22

15P

RV24

1K

RV33

10K

0V

11

CV18

47P

0V

10

0V

15

12

8

ICV01

POWER AMP.

2

1

–42V

0V

4

5

0.2V

QV13

KTC3200 GR

0V

RV27

10K

0V

3.9V

CV25

0.022

7

0V

RV29

0.2(1W)

RV69

0.2(1W)

RV70

0.2(1W)

6

0V

CV26

0.022

RV30

0.2(1W)

RV28

10K

0V

0V

3.9V

QV14

KTC3200 GR

DV13

1SS133

DV15

1SS133

QV18

KTC3199 GR

0V

3.9V

0V

3.9V

QV19

KTC3199 GR

0V

0

DV14

1SS133

CV30

3300/63

CV2

47/5

CV29

3300/63

D

E

F

G

CNPV12

1 2 3 4 5 6 7

CNS903 1 2 3 4 5 6 7

BI903

1 2 3 4 5 6 7

POWER PWB-D

–B

+B

+4.6V(D)

GND(D)

+B

+B

–0.62V

3

0V

2

1

1.35V

Q907

KRA102 M

+7.3V(CD)

C901

0.022

Q913

2SB1375

–11.9V

–41.4V

R901

68(3W)

C902 47/25

–12.4V

R918

100

C920

47/25

–12.47V

–12.45V

2

1

ZD901

MTZJ130A

R917 4.7K

Q914

KRC107 M

3

+12V(M)

Q902

2SD2012

12.5V

18.8V

C906

0.022

Q903

2SD468 C

4.8V

11.8V

R905

22

Fusible

5.46V

R906

100 ZD902

MTZJ5.6A

C905

47/25

R904

1.5K

C904

47/25

13.2V

R903

47(1/6)

Q901

KTC3199 GR

13.2V

18.8V

13.8V

C903

47/25

R902

1K

+12V(A)

D901

1SS133

C909

0.022

GND

(1/4W)

Q906

2SD2012

12.5V

18.8V

Q905

KTC3199 GR

13.2V

R910

150

C908

47/25

18.8V

1

R909

1K

13.8V

2

R908

33K

3

1.35V

Q904 KRA107 M

R907

560(1/4)

CD GND(D)

GND(M)

C911

0.022

Q909

2SD2012

7.8V

18.1V

D905

1SS133

8V

Q908

KTC3199 GR

8V

18.1V

R912

47

8.4V

C910

47/25

R911

560(1/6)

ZD904

MTZJ8.2C

D904

1N4004S

D903

1N4004S

F999

T500mA L 250V

C919

4700/25

H

BI901

1 2 3 4 5 6 7 8 9 10 11

CNS901 1 2 3 4 5 6 7 8 9 10 11

TO MAIN PWB

P27 12-F

CNPP01

• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.

1 2 3 4

Figure 34 SCHEMATIC DIAGRAM (13/15)

– 34 –

5 6

3

33

DV15

1SS133

QV18

KTC3199 GR

0V

3.9V

0V

3.9V

QV19

KTC3199 GR

0V

0V

CV28

47/50

RV40

56K

RV41

56K

CV31

0.1(ML)

CV33

0.1(ML)

RV43

4.7(1/2W)

4

133

CV30

3300/63

CV29

3300/63

RV42

56K

RV44

4.7(1/2W)

CV34

0.1(ML)

CV32

0.1(ML)

RLYV11

DV17

1SS133

CD-C449W/K449W

SPEAKER AMP.PWB-F

+

TMV01

SPEAKER

L-CH

–

+

SPEAKER

R-CH

–

8OHMS

RV54 22K

RV53 22K

0.13V

QV22

KTC3199 GR

0V

0.8V

RELAY1

RV62

3.3K

RV61

47K

RV60 27K

FAN SW

SP LEVEL

FAN CONT

H/P SW

DV19

1SS133

ZDV11

MTZJ5.1B

RV59 100K

CV48 10/50

RV55

47

DV25

1SS133

RV57

4.7K

0V

ZDV12

MTZJ6.2B

8V

RV56

3.9K

CV47

47/25

7.2V

8V

0V QV21

KTC3199 GR

0V

QV20

KTA1270

2

1

2

1

FAN MOTOR

M901

M

RV72

22K

CV49 100/50

RV58 10K

RV51

330

RV52

330

WTV11

5 HP-L-CH

4 GND(A)

3 HP-R-CH

2 GND(M)

1 H/P SW

FROM

HEADPHONES PWB

P30 1-B

FW901

NPV12

1 2 3 4 5 6 7

NS903 1 2 3 4 5 6 7

BI903

1 2 3 4 5 6 7

Q914

KRC107 M

3

D

R907

560(1/4)

C919

700/25

T991

POWER TRANSFORMER

D991

KBU1003

C954

0.047(ML)

C956

0.047(ML)

R954

220

(1/4)

-38V

D992-D995

2A02

D992

D993

R955

12K

R953

220

(1/4)

D995

D994

C957

0.047

(ML)

C958

0.047

(ML)

C961

220/50

D951 1N4004S

C964

47/50

C963 47/50

C965

100/35

R956 100

ZD952

MTZJ6.8C

R957 2.2K

–31.4

–36.1V

Q951

KTA1266

C962 47/63

D954

1N4004S

F997 T2A L 250V

F991

T1.6A L 250V

T.F.

F992

T1.6A L 250V

SW991

VOLTAGE

SELECT

230-240V

220V

127V

110V

F990

T3.15A L 250V

(285)

(285)

AC POWER

SUPPLY CORD

AC110/127/220

/230-240V

50/60Hz

(242)

7

3 2 1

FW901

TO MAIN PWB

P26 1-E

WTP02

8 9 10

Figure 35 SCHEMATIC DIAGRAM (14/15)

– 35 –

11 12

CD-C449W/K449W

A

KARAOKE PWB-L CD-K449W ONLY

B

C

TO MAIN PWB

CNPU02

P25 12 - E

+B

FM SIGNAL

GND(D)

+B

DIGITL

ECHO

VR603

20K(B)

R669

220

R670

220

C677

47/25

ZD631

MTZJ5.6B

VOLTAGE

REGULATOR

Q631

KTC3203 Y

R668

1.2K

6.4V

4.7V

5.4V

R667

100

C674

47/25

C673

0.022

C672

47/25

R618 15K

C632

100/10

C631

0.022

D

E

F

G

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.

1 2 3 4

Figure 36 SCHEMATIC DIAGRAM (15/15)

– 36 –

5 6

CD-C449W/K449W

SOLENOID

SOLM2

CD MOTOR PWB-K

+

M2

SLED MOTOR

SENSOR PWB-J

SW3

DISC NUMBER

M3

T/T UP/

DOWN LOADING

1

2

3

4

5

6

CNS3A

RD

WH

GY

WH

GY

WH

1

2

3

4

5

6

CNS3B

1

2

3

4

5

6

-

SW4

PICK UP IN

+

M1

SPINDLE MOTOR

-

2 1

PICKUP UNIT(306)

BIM5

1 6

2 1

SW1

OPEN/CLOSE

SW2

MECHA UP

10 9 8 7 6 5 4 3 2 1

CNS1A

3

4

1

2

5

BK

WH

PK

YL

BL

5

6

7

8

3

4

1

2

CNS2A

GY

RD

WH

GY

WH

GY

WH

GY

WH

BL

PK

WH

YL

BK

CNS1B

3

4

1

2

5

5

6

7

8

3

4

1

2

CNS2B

7 10 8

1

9

2

3

4

5

6

CD SERVO PWB-B

M901

FAN MOTOR

COLOR TABLE

B R

R D ( R )

O R

Y L

G R

B L

V L

G Y

W H ( W )

B K

P K

BROWN

RED

ORANGE

YELLOW

GREEN

BLUE

VIOLET

GRAY

WHITE

BLACK

PINK

RD

BR

CNSV11

2

1

CNPV11

TO SPEAKER

AMP.2 PWB

P44 2-A

C35

3

4

1

2

5

6

R48

5

6

3

4

7

1

2

8

9

10

19

20

25

30

36

35

C36

R82

3

6

5

4

1

8

7

2

9

8

7

6

5

4

3

2

1

C8

R12

C7

R19

5

15

10

R11

C6

R13

R16

R20

18

1

C54

C4

R8

R9

C5

3

4

1

2

5

CNP1

R2

C1

C3

C15

Q1

B C E

R1

C2

C31

R46

R10

1 64 C33

R14

C9

R21

R22

R25

C14

R15

C10 R17

R18

C11

R23

R24

C12

R27

C16

R28

R30

R31

16

17

C13

R26

R29

C17

C18

R33

15

20

5

60

10 IC1

25

12

40

55

50

45

30 35

R34

32 33

C21

C20

C19

R32

R88

R36

R35

R89

R90

49

48

C85

C32

C34

E

C

B

R66

Q52

B C E L61

3

2

1

1

CNP11

6 5 4 3 2

2

1

3

Q51

R64

1

BI99

3

D1

C30

C57

R50

1 64

C46

R60

16

17

15

20

5

60

10

IC2

25

30 35

40

55

50

45

R93

49

48

32 33

R55

C50

C71

C73

R73

C74

R72 C72

C43

D81

C53

R54

R74

C83

D82

R61

R62

R57

R47

C37

R63

R59

C44

C49

C45

R58

C41

C42

XL1

14 13 12 11 10 9 8 7 6 5 4 3 2 1

CNP12

CNSF11

TO MAIN PWB

P38 5-H

RD

WH

BK

RD WH

1 2 3

BK

CNS99

CNPR11

TO MAIN PWB

P38 2-H

• The numbers 1 to 12 are waveform numbers shown in page 18.

7 8 9 10

Figure 37 WIRING SIDE OF P.W.BOARD (1/9)

– 37 –

11

11

CNSF12

TO MAIN PWB

P39 9-H

12

CD-C449W/K449W

A

TO TUNER PWB

P42 1-B

CNP303

1 2 3 4 5 6 7 8 9 10 11

1

FROM SPEAK

AMP PWB

P44 3-A

CNWV1

MAIN PWB-A

B

RP12

RP11

RP18

CP08

RP20

4

CP24

1 RP22

RP26

RP25

CP23

ICP11

5 8

RP17

RP19

E

C

B

E

C

B

QP11

1 BIF13 11

RG01

QG04

E

C

B

RP10

RP09

C

SWF02

SPAN

SELECTOR

10/100

FM/MW

9/50

SWF02

D

CD-K449W

ONLY

7

8

9

5

6

3

4

1

2

E

L-CH

JR12

INPUT

VIDEO/AUX2

R-CH

CU51

CU43

F

G

L-CH

JR11

INPUT

VIDEO/AUX-1

R-CH

CU55 CU42

JR11

DR11

CR10

DR12

ICR11

3

2

1

DIGITAL

OUT PUT

ZDR01

RR01

CNPR11

3 2 1

CU39

CU31

CU29

CR13

H

1

CNS99

FROM CD

SERVO PWB

P37 10-H

2

CU26

16

CU40

CU34

32

33

17

30

35

25

20

15

10

5

ICU01

60

40

55

45

50

1

64

48 49

CU11

RU03

CU24

CU18

CU16

CU04

CU01

CU46

CU08

DU02

CU17

RU05

CU03

CU05

CU09

CU10

CU36

CU06

CU02

QU01

B C E

RU26

RU25

RU22

3 2 1

WTP01

B C E

QU02

RU96

WTP02

3 2 1

RU21

1

BIF11

QS11

1 2 3

S

G

D

RS29

CS21

RS33

RS16

CS11

CS22

15

14 10

ICS01

5

20 25

RS11

RS15

1

28

RS34

6

CNPP01

1 2 3 4 5 6 7 8 9 10 11

1 2

E C

C

FWD02

FROM

DISPLAY PWB

P40 1-F

FW901

1 2 3 4 5 6

CNSF11

FROM

POWER PWB

P54 7-E

CNP11

TO CD SERVO PWB

P37 10-H

CNS901

FROM POWER

PWB

P45 7-F

5 6 3 4

Figure 38 WIRING SIDE OF P.W.BOARD (2/9)

– 38 –

FR

CD-C449W/K449W

R PWB

-B

303

7 8 9 10 11

BIF13 11

RG01

1

FROM SPEAKER

AMP PWB

P44 3-A

CNWV11

FWP01

14

QG04

E

C

B

RK72

CFWP02

1 3 5

2 4 6

7

8

9 11

10 12

13

14

CFWP01

RK56

RK74

QK40

RK54

QK15

1 2 3

1 2 3

B

C

E

CK52

RK64 RK62

RK65

QK24 B C E

CK37

CK35

E

C

B

CK38

3

2

1

3

2

1

CK36

QK26

RK42

3 2 1

E

C

B

3 2 1

RK57

RK58

RK47

QK19

RK49

CK46

RK50

3

2

1

QK14

RK60

RK61

QK25

E

C

B

RK24

QK09

E

C

B

RK22

13 14 15 16 17 18 19 20 21 22 23 24

QK17

B

C

E

RK34

ICK01

12 11 10 9 8 7 6 5 4 3 2 1

CK13

CK39 CK27 RK29

QK13

1

2

3

B

C

E

E

C

B

RK03

CK16

RK12

B

C

E

CK62

RK04

7 6 5 4 3 2 1

E

C

B

CK07

QK08

RK09

B

C

E

RK06

CK05

RK18

CNPK01

1 2 3

RK01

B

C

E

RK11

RK89

E C B

3

2

1

CNPK02

3

2

1

RK10

CK55

1

2

3

3

2

1

RK73

RH15 RH16

CH19

CH12

8 5

ICH11

1 4

RH25

9W

1

2

3

CNSK02

FROM TAPE

MECHANISM

TAPE2 HEAD

P43 11-H

CNSK01

FROM TAPE

MECHANISM

TAPE1 HEAD

P43 9-H

CG61

RG38

COLOR TABLE

B R

R D ( R )

O R

Y L

G R

B L

V L

G Y

W H ( W )

B K

P K

BROWN

RED

ORANGE

YELLOW

GREEN

BLUE

VIOLET

GRAY

WHITE

BLACK

PINK

3

S

G

D

RS29

1

15

14 10

ICS01

5

20 25

RS11

RS15

28

3

2

1

S

G

D

3

2

1

1 2 3 QS14

E C B QS15

RS23

S

G

D

RS20

DG06

RG05

RG23

RG24

RF67

RF68

RF69

RF71

RF72

RF73

RF76

RF77

RF79

RF70

RF81

RF82

RF80

RF78 80

81

CG57

LG01

CG56

RF92

50

55

45

60

40

65

35

75

85

90

70

95

ICF01

20

25

15

10

5

100

51

1

31

30

RF28

RF32

RF27

RF26

RF25

RF24

RF29

RF31

RF30

XF01

RF23

RF22

RF21

RF20

RF19

RF10

RF09

RF08

RF07

RF06

3

CNPP01

1 2 3 4 5 6 7 8 9 10 11

CS14

1 2 3

QP17 DG05

3

2

1

QG01

B

C

E

RG34

B

C

E

RG29

CG01

DG02

RG57

RG58

RG59

BIF12

14 1

WTL11

DL13

13 12 11 10 9 8 7 6 5 4 3 2 1

DL14

RL20 RL24

B

C

E

3

2

1

3

2

1

B

C

E

3

2

1

3

2

1

3

2

1

B

C

E

1

2

3

4

5

6

7

8

9

10

RL11

B

C

E

CNSD1

FROM DISPLAY PWB

P40 2-F

CNSF11

CNS901

FROM POWER

PWB

P45 7-F

B

7

CNSU02

FROM KARAOKE PWB

P43 7-A

CD-K449W ONLY

8

14 13 12 11 10 9 8 7 6 5 4 3 2 1

CNSF12

CNP12

TO CD SERVO PWB

P37 11-H

FWM1

FROM TAPE

MECHANISM PWB

P43 9-D

9

Figure 39 WIRING SIDE OF P.W.BOARD (3/9)

– 39 –

10 11 12

CD-C449W/K449W

F

B

C

D

E

A

WTP02

TO MAIN PWB

P38 5-H

CD06

SWD01

CD05

VOLUME JOG

CD11

CD09

CD10

FLHLD

1 2

RXD01

REMOTE

CONTROL

1

3

2

LD01

SWD03

X-BASS

FLD0

3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

80

81

60

65

75

70

ICD

85

90

95

100

RD51

QD04 3 2 1

QD03 3 2 1

QD02 3 2 1

QD06

QD05

3 2 1

3 2 1

RD52

RD50

RD53

SWD18

SRS/DEMO

QD01 3 2 1

CD29

RD48

CD28

CD30

3

1

CD20

CD19

CNSD01

10

9

8

7

6

5

4

3

2

1

CD18

CD21

SWD21

BAL,RIGHT

RE14

RD49

SWD22

BAL,LEFT

RE13

SWD15

HIGH-EDIT

LEDD07

SWD14

NORMAL

EDIT

SWD16

REC/PAUSE

LEDD03

FF

SWD07

SOFT

RE17

SWD12

TUNING

UP/CUE

SWD13

STOP

RE12

LEDD12 LEDD11

LEDD13

SWD08

VOCAL

RE07

SWD17

F-PLAY

LEDD09

LEDD

SWD09

HAVY-

SWD0

JOG

JOG PW

TO SPEAKER

AMP. PWB

P44 2-A

WTV11

CNPF01

FROM MAIN PWB

P39 12-G

G

H

1

5

CV91

RV92

FWV91

1

CV92

RV91

SWD54

OPEN/

CLOSE

RE57

SWD53

DISC

SKIP

RE56

HEADPHONES

PWB-C3

2 3 4

Figure 40 WIRING SIDE OF P.W.BOARD (4/9)

– 40 –

5 6

FLD01

8 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45

51 50

60

55

65

75

70

ICD01

45

40

20

25

35

85 15

90

95

5

10

31

30

100

1

RD34

XD01

CD02

LEDD09 LEDD08 LEDD15 LEDD14

46 47

LEDD19 LEDD18

LEDD10

RD14

SWD09

HAVY-2

SWD10

HAVY-1

LEDD16

RE09

RE08

SWD11

FLAT

LEDD17

SWD31

CD

PAUSE

SWD32

REVERSE

MODE

SWD02

JOG

SWD33

R-PLAY

LEDD21

REW

3

2

1

QD07

RD55

3

2

1

JOG PWB-C4

SWD30

TUNING

DOWN/RERWIND

RD30

RD67

RD62

CD-C449W/K449W

DISPLAY PWB-C1

SWD39 VIDEO

SWD41 TAPE1/2

SWD43

CD

RD41

RD44

RD43

RD42

RE51

RE41

RE31

RD64

RD38

RE01

RE11

RD65

RD37

RD36

RD66

SWD40

VIDEO

AUX2

1

1

2

3

1

2

3

1

2

3

6

SWD37

SLEEP

RE35

RE39

SWD34

CLOCK

SWD36

TIMER

RE37

RE36

SWD35

MEMORY

SWD38

CLEAR

RE53

RE52

SWD48

POWER

CD-C449W

CD-K449W

SWD49

KARAOKE

CD-K449W ONLY

LEDD28

SWD52

DISC3

RE55

SWD51

D1SC2

1

RE54

SWD50

DISC1

6

SWITCH PWB-C2

7 12 8 9

Figure 41 WIRING SIDE OF P.W.BOARD (5/9)

– 41 –

10 11

CD-C449W/K449W

A

B

C

D

E

F

G

R377

R390

R381

C392

C393

R379

R380

C394

R387

R374

R371

C381

R384

R385

L351

R396

C385

C390

C386

CT05

LT01

LT02

CT07

CT06

CT14

CT10

CT12

R367

VDT01

Q353

R365

Q354

R366

L352

C371

C373

R361

R362

R395

C355

C356

C354

C353

R356

C365

C367

R352 R351

C361

C350

RT04

RT08

RT10

CT04

RT01

R358 C343

VD302-B

C304

C306

R338

R339

R326

C313

R330

R342

D317

C321

R311

R340

R329

C320

C307

C319

R323

R343

R313

D313

Q306

D310

D314

R315

R314

R322

D315

R327

C309

C310

C311

C318

R328

C316

C315

R317

D316

R302

C314

VD301-2

R324

C330

C305 C338

C303

VD301-1

C360

C363

R357

C364

R350

C368

C372

C374

C362

R341

H

1 2 3 4

Figure 42 WIRING SIDE OF P.W.BOARD (6/9)

– 42 –

5 6

TO MAIN PWB

CNPU02

P39 8-H

CNSU02

9

GY

8

7

6

WH

GY

WH

5

4

3

GY

WH

GY

2

1

WH

RD

9

1

C677

R667

R668

ZD631

E

C

B

C672

C673

C674

C627

C622

C623

C620

C621

C626

19

36

1

35 30 25

IC601

5 10 15

20

18

C634

C632

D601

C602

C601

C615

CD-C449W/K449W

KARAOKE PWB-L

CD-K449W ONLY

R602

R601

COLOR TABLE

B R

R D ( R )

O R

Y L

G R

B L

V L

G Y

W H ( W )

B K

P K

BROWN

RED

ORANGE

YELLOW

GREEN

BLUE

VIOLET

GRAY

WHITE

BLACK

PINK

VR603

DIGITAL

ECHO

VR602

MIC2

VOLUME

MIC LEVEL

VR601

MIC1

VOLUME

TO MAIN PWB

P39 10-H

WTL11

FWM1 13 12 11 10 9 8 7 6 5 4 3 2 1

TAPE MECHANISM PWB-H

SWM4

REC RVS

13

FWM1

1

SWM3

REC FWD

4

SOLENOID

SOLM1

2

1

PHM1

4

3

TAPE 1

PLAYBACK HEAD

SWM6

CAM

TAPE 2

RECORD/PLAYBACK/ERASE HEAD

1

J602

MIC2

MIC

J601

MIC1

FWM2

L

H

MM1

TAPE MOTOR

VRM1

TAPE

SPEED

CNPM2

SWM5

F. A. S

PK

WH

GY

BK

HEAD PWB-G

FLEXIBLE PWB

3 2 1

6

BI 102

1

TAPE MECHANISM ASSEMBLY

7 8

TO MAIN PWB

P39 12-C

CNPK01 GY

GY

WH

BK

CNSK02

1

PK

BL

BK

2

3

4

5

YL

WH

6

7

TO MAIN PWB

P39 12-B

CNPK02

11 9 10

Figure 43 WIRING SIDE OF P.W.BOARD (7/9)

– 43 –

12

CD-C449W/K449W

A

B

FROM POWER PWB

P45 12-G

CNS903

FROM

HEADPHONES PWB

P40 2-F

FWV91

FWP01

TO MAIN PWB

P39 7-A

CFWP01

1 14

WTV11

QV19

RV61

QV22

7 6 5 4 3 2

CNPV12

1

FROM FAN MOTOR

P37 8-G

CNSV11

1 2

CNPV11

RY21

RV62

RV58

CV49

DV20

CV11

QV21

CV30

DV15

CV12

C

D

E

F

CV13

CV29

RV40

CV28

RV43

CV33

RV44

RV41

RV52

RV51

RV42

CV31

CV34

DV17

RV53

CV15

RV13

DV24

DV23

RV23

RV21

RV33

CV17

CV18

RV18

CV23

CV24

RV29

RV69

RV31

RV70

RV32

RV30 QV14

QV13

RV28

CV26

CV25 DV14

QV17

G

H

1 2

SPEAKER

L-CH

SPEAKER

R-CH

TMV01

SPEAKER TERMINAL

3 4

Figure 44 WIRING SIDE OF P.W.BOARD (8/9)

– 44 –

5 6

SW991

VOLTAGE SELECT

CD-C449W/K449W

AC POWER

SUPPLY

AC 110/127/220/230-240V

50/60Hz

(242)

(285)

(285)

COLOR TABLE

B R

R D ( R )

O R

Y L

G R

B L

V L

G Y

W H ( W )

B K

P K

BROWN

RED

ORANGE

YELLOW

GREEN

BLUE

VIOLET

GRAY

WHITE

BLACK

PINK

T.F.

WTP02

TO MAIN PWB

CNPP01

TO MAIN PWB 5

4

3

7

6

9

8

11

10

WH

WH

WH

WH

WH

WH

WH

WH

WH

2

1

WH

RD

7

1 1

D952

D953

D954

R957

R956

C964

D951

C959

C958

C960

R955

C965

C961

C962

D993

D992

C919

C954

C956

1

8

Q908

Q909

R912

C909

Q902

E C B

R903

R909

R908

Q907

3 2 1

Q906

E C B

R910

E

C

B

C906

Q903

9 10

Figure 45 WIRING SIDE OF P.W.BOARD (9/9)

– 45 –

11

RD

WH

CNS903

1

WH

2

3

WH

WH

4

5

WH

WH

6

7

12

CD-C449W/K449W

TROUBLESHOOTING

When the CD does not function

When the CD section does not operate When the objective lens of the optical pickup is dirty,this section may not operate.Clean

the objective lens,and check the playback operation.When this section does not operate even after the above step is taken,check the following items.

Remove the cabinet and follow the troubleshooting instructions.

"Track skipping and/or no TOC(Table Of Contents) may be caused by build up of dust other foreign matter on the laser pickup lens.

Before attempting any adjustment make certain that the lens is clean. If not, clean it as mentioned below."

Turn the power off.

Gently clean the lens with a lens cleaning tissue and a small amount of isopropyl alcohol.

Do not touch the lens with the bare hand.

• When the turntable fails to stop.

5V

Is from

2.5V

0V

5 V till 2.5V down pulse (approx. 300 ms) input into the ICF01 pin 91 when the turntable is rotating?

Yes

Is there following voltage input on the ICF01 pin 91 in the specific state?

When the CD mechanism is moved up: 0V

In other states: 4.3V

Yes

Check IC2 pin26 Q91 and Q93 and the periphery.

Yes

ICF01 defective.

No

No

Check the SW3 and the wiring from the ICF01 pin 91 to the

SW3.

Check the MECHA UP SW and the wiring from the ICF01 pin

91 to the MECHA UP SW.

• When turntable fails to move.

Is there following voltage input on the ICF01 pin 91 in the specific state?

When the CD mechanism is moved up: 0V

In other states: 4.3V

Yes

Is L output from the IC2 pin 26 during SEC when the disc skip switch is pressed?

Yes

Is 4V output from the Q91 emitter during operation stated above?

Yes

Check turntable motor and turntable mechanism.

No

Check the MECHA UP SW and the wiring from the ICF01 pin

91 to the MECHA UP SW.

No

No

Check the wiring of IC2 pin 26 and Q93 pin 2.

OK

IC2 defective.

Check Q91, Q93 and the periphery.

– 46 –

CD-C449W/K449W

• When the CD tray fails to open or close.

Is there following voltage input in specific state of ICF01 pin 93?

Open state: 0V

Close state: 0V

Intermediate state between open state and close state: 4.3V

Yes

No

Is H output to IC2 pin 24 or 25 for 7 seconds when the OPEN/

CLOSE key is pressed?IC81 is defective. Replace it.

No

Check the OPEN CLOSE SW and the wiring from the ICF01 pin 93 to the OPEN CLOSE SW.

Check the wiring of the IC2 pins 24 and 25, IC81 pins 1 and 3.

OK

IC2 defective.

Yes

Is 4V output between IC81 pins 3 and 7 during operation stated above?

No

Check the periphery of IC81.

OK

IC81 defective.

Yes

Check the loading motor (M1) and the loading mechanism.

• The CD function will not work.

The CD operating keys don't work.

Yes

Check the CD, DSP, power supply, and 16.93 MHz clock, and reset terminal.

Yes

Check the waveform of SCK, SO (DATA) and SI (COMM).

Yes

See if the pick-up is the in PICKUP IN SW position.

Yes

If the items mentioned above are OK, check the main microcomputer ICF01.

• The CD operating keys work.

0.5s

0.50 V

IC1 16 FD

0.5s

0.50 V

IC1 7 TE

Check the Focus - HF system.

Playback can be performed without a disc.

Yes

Does the pick-up move up and down twice?

No

Does the output waveform of IC1(16)(FD) match that shown in

Fig. 47?

No

Check the IC1(50)(CLK) line, 4MHz.

Check the microcomputer data on pins (51)(CL), (52)(DAT) and (53)CE.

Yes

Focus search OK

Yes

Figure 47

Check the area around IC3-CNP2.

1

2

Focus search is performed two times when play operation is done without disc.

– 47 –

CD-C449W/K449W

• Playback can only be performed when a disc is loaded.

Is the Focus servo active? (Can you hear it working?)

Yes

Does the DRF signal change from "L" to "H"?

Yes

Is HF waveform normal (see the Fig.48-1, 2)?

Yes

Check the tracking system.

HF

1.0V/DIV

0.5

µ sec/DIV(DC)

(When playing

back the disc)

No

No

No

Check the laser diode driver.

Check the area around IC1(16) - (21) (focus servo circuit).

0.5s

1.00 V

IC1 16 FD

0.5s

10.0 V

IC2 13 CLV+

0.5s

10.0 V

IC1 54 DRF

0.5s

2.00 V

IC1 7 TE

If the disc is not turning, the DRF should not change to "H".

Yes

Check the spin system.

Level is abnormal.

Yes

Check the periphery of

IC1 pins 41 and 42.

Waveform is unstable.

Yes

Check the spin system.

2

1

3

4

Waveform in case of normal play-back

Figure 48-1

• Check the tracking system.

Figure 48-2

Check waveform of IC1 pin 7 (TE).

The waveform shown in

Fig.48-3 appears, and nodisc state appears soon.

Yes

Tracking servo is inoperative.

Yes

Check the periphery of IC 1 pin 8 to pin 15, and IC 3 to

CNP2.

Play is possible in

TEST mode.

Data cannot be read.

Yes

Although IL is possible, play is impossible.

Yes

Normal jump is impeded, and the program top cannot be reached.

Check the VCO-PLL system.

Yes

Yes

Check the periphery of IC 1 pin 14.

5ms

1.00 V

IC1 7 TE

4

5 ms

5.0 V

IC1 54 DRF

3

Figure 48-3

– 48 –

CD-C449W/K449W

• Checking the spin system.

Play operation is performed without disc.

Yes

The turntable rotates a little.

No

The turntable fails to rotate or rotates at high speed.

Yes

The spin driver circuit is normal.

Yes

Check the periphery of IC1 pins 23 to 27, pin 39, and pin 40, IC2 pin 12 and pin 13, IC5 to CNP3.

• Checking the VCO-PLL system

Play operation is performed when disc exits.

Yes

Although HF waveform is normal, TOC data cannot be read.

Yes

Check PDO waveform (Fig. 49).

Abnormal

Check the IC1 pins 43 and 44, IC2 pins 3, 5, 7, 10, and 11.

0.5s

1.00 V

IC2 3 PDO

0.5s

1.00 V

IC2 16 FD

Check IC 2 pin 48 (EFLG).

Yes

Check IC2 pins 37, 40.

Abnomal

Check IC 401 and POWER AMP ICV01 and ICX01.

Stop --> Play

2

As VCO frequency is locked at

4.32 M Hz, voltage of PDO rises and stabilizes.

3

Figure 49

• Although HF waveform is normal and the time indication is normal, no sound is emitted.

No

Usually, the number of pulses of flawless disc is 100 pulses/sec or less.

– 49 –

CD-C449W/K449W

FUNCTION TABLE OF IC

IC2 VHiLC78622K-1: Servo/Signal Control (LC78622K) (1/2)

15

16

17

18

19

20

21*

22*

Pin No.

12

13

14

8

9

10

11

6

7

4

5

1

2

3

35*

36

37

38

31

32*

33

34

27

28*

29*

30*

23

24

25

26

43

44

45

46

39

40

41

42*

47*

48*

HLF

TES

TOFF

TGL

JP+

JP-

PCK

FSEQ

DOUT

TEST3

TEST4

N.C.

MUTEL

LVDD

LCHO

LVSS

VDD

CONT1

CONT2

CONT3

CONT4

CONT5

EMPH

C2F

RVSS

RCH0

RVDD

MUTER

XVDD

XOUT

XIN

XVSS

SBSY

EFLG

Terminal Name Input/Output

VSS

EFMO

EFMIN

TEST2

CLV+

CLV-

V/P

DEFI

TAI

PDO

VVSS

ISET

VVDD

FR

Function

—

Output

Input

Input

Outout

Output

Output

Input

Input

Output

—

Input

—

Input

Input terminal of defect detection signal (DEF). (Connected to OV when not used.)

For PLL Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.

Output terminal of phase comparison for external VCO control.

Ground terminal for integrated VCO. Surely connected to 0V.

Resistance connection terminal for current adjustment of PDO output.

Power terminal for integrated VCO.

VCO frequency range adjustment.

Ground terminal of digital system. Surely connected to 0V.

For slice level control EFM signal output terminal.

EFM signal input terminal.

Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.

Output for disk motor control. 3 values can be output with the commands.

Output for disk motor control. 3 values can be output with the commands.

Monitor output terminal for automatic switch of rough servo/phase control.

"H" for rough servo, and "L" for phase servo.

Input terminal of track detection signal. Schmit input.

Intput

Input

Output

Output

Output

Output

Output

Output

Input terminal of tracking error signal. Schmit input.

Tracking OFF output terminal.

Output terminal for switch of tracking gain "L" increases the gain.

Output for track jump control. 3 values can be output with the commands.

Output for track jump control. 3 values can be output with the commands.

Clock monitor terminal for EFM data replay. 4,3218MHz as the phase clock.

Output terminal synchronous signal detection. "H" is output when synchronous signal detected by EFM signal matches synchronous signal internally generated.

—

Input/Output

Input/Output

Input/Output

Power terminal of digital system.

General purpose input/output terminal 1

General purpose input/output terminal 2

General purpose input/output terminal 3

Controlled with serial data command from micro computer.

When not used, set it as the input terminal and open it by connecting to 0V, or set it as the output terminal and open it.

Input/Output General purpose input/output terminal 4

Input/Output General purpose input/output terminal 5

Output

Output

Difference monitor terminal At "H", deemphasis disk is being replayed.

C2 flag output terminal.

Output

Input

Input

—

Output

—

Output

—

Output terminal of digital OUTPUT. (EIAJ format)

Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.

Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.

Terminal not used. Open during operation.

L channel 1 bit DAC Mute output terminal for L channel.

Power terminal for L channel.

—

Output

—

Output

L channel output terminal.

Ground terminal for L channel Surely connected to 0V.

R channel 1 bit DAC Ground terminal for R channel Surely connected to 0V.

R channel output terminal.

Power terminal for R channel.

Mute output terminal for R channel.

—

Output

Input

—

Output

Output

Power terminal for quartz oscillation.

Ground terminal of 16.9344 MHz quartz oscillator.

Ground terminal of 16.9344 MHz quartz oscillator.

Ground terminal for quartz oscillation. Surely connected to 0V.

Output terminal of synchronous signal of subcode block.

Correction monitor terminal of C1, C2, single and double.

In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

– 50 –

CD-C449W/K449W

IC2 VHiLC78622K-1: Servo/Signal Control (LC78622K) (2/2)

Pin No.

Terminal Name Input/Output Function

56

57

58

59*

60*

61

62

63

53

54

55

49*

50*

51

52*

64

PW

SFSY

SBCK

FSX

WRQ

RWC

SQOUT

COIN

CQCK

RES

TEST11

16M

4.2M

TEST5

CS

TEST1

Input

Input

Input

Output

Output

Output

Input

Input

Output

Output

Input

Output

Output

Input

Output

Input

Output terminal of subcodes P, A, R, S, T, U and W.

Output terminal of synchronous signal of subcode frame. It drops when subcode stands by.

Clock input terminal to read subcode. Schmit input (Connected to 0V when not used.)

Output terminal of synchronous signal of 7.35kHz divided from quartz oscillation.

Output terminal to stand by output of subcode Q.

Input terminal of read/write. Schmit input.

Output terminal of subcode Q.

Command input terminal from microcomputer.

Clock input terminal to fetch command input, or pick up subcode from SQOUT. Schmit input

Reset input terminal of LC78622. When turning on power, set it at "L".

Output terminal for test. Used in the open state ("L" output as ordinary).

Output terminal of 16.9344Hz.

Output terminal of 4.2336MHz.

Input terminal for test Pull-down resistor is integrated. Surely connected to 0V.

Chip selection input terminal. Pull-down resistor is integrated.

Connected to 0when not controlled.

Input terminal for test Pull-down resistor is integrated. Surely connected to 0V.

Note: The same potential must be supplied to the power terminals (VDD, VVDD, LVDD, RVDD, XVDD).

In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

DEFI

EFMIN

Slice level control

FSEQ

CLV+

CLV-

V/P

PW

SBCK

SBSY

SFSY

CS

WRQ

SQOUT

CQCK

COIN

RWC

Sync detection

EFM demodulation

C L V

Digital servo

Subcode division

QCRC

µ

C O M

Interface

Servo commander

VCO colck oscillation clock control

General-use port

2 K x 8 b i t

R A M

Flag processing of C1/C2 error detection and correction

XTAL system timing generator

RAM address generator

Interpolation mute

Bilingual

Digital OUT

Digital attenuator

X4 oversampling digital filter

C2F

DOUT

(NC)

1 b i t D A C

L . P . F

Figure 51 BLOCK DIAGRAM OF IC

– 51 –

CD-C449W/K449W

IC1 VHiLA9241M/-1: Servo Amp. (LA9241M) (1/2)

1

Pin No.

Port Name

FIN2

SL+

JP-

JP+

TGL

TOFF

TES

HFL

SLOF

NC

SPI

SPG

SP-

SPD

SLEQ

SLD

SL-

FD

FD-

FA

FA-

TD-

TD

JP

TO

FE

FE-

AGND

FIN1

E

F

TB

TE-

TE

TESI

SCI

TH

TA

FSC

TBC

NC

DEF

CLK

CV-

CV+

RFSM

RFS-

SLC

SLI

DGND

35

36

37

38

31

32

33

34

27

28

29

30

23

24

25

26

16

17

18

19

20

21

22

12

13

14

15

8

9

10

11*

4

5

6

7

2

3

39

40

41

42

43

44

45

46

47

48*

49

50

Function

Connection pin for photodiode of pickup.

RF signal is generated through addition with FIN pin, and FE signal is generated through subtraction.

Connection pin for photodiode of pickup.

Connection pin for photodiode of pickup. TE signal is generated through subtraction with F pin.

Connection pin for photodiode of pickup.

Pin for input of DC component of TE signal.

Pin to connect gain setting resistor of TE signal to TE signal.

TE signal output pin.

TES (Track error sense) comparator input pin. TE signal is band-passed and input.

Input pin for shock detection.

Pin to set time constant of tracking gain.

TA amplifier output pin.

Pin to compose tracking phase compensation constant between TD and VR pins.

Pin to set tracking phase compensation.

Pin to set amplitude of tracking jump signal (kick pulse).

Tracking control signal output pin.

Focusing control signal output pin.

Pin to compose focusing phase compensation constant between FD and FA pins.

Pin to compose focusing phase compensation constant between FD-/FA-pins.

Pin to compose focusing phase compensation constant between FA and FE pins.

Output pin of FE signal.

Pin to connect gain setting resistor of FE signal across TE pin.

GND for analog signal.

No connect.

Spindle amplifier input.

Pin to connect gain setting resistor in the 12cm mode of spindle.

Pin to connect spindle phase compensation constant together with SPD pin.

Spindle control signal output pin.

Pin to connect thread phase compensation constant.

Thread control signal output pin.

Input pin of thread feed signal from micro computer.

Input pin of thread feed signal from micro computer.

Input pin of tracking jump signal from DSP.

Input pin of tracking jump signal from DSP.

Input pin of tracking gain control signal from DSP. TGL = Gain low at "H"

Input pin of tracking off control signal from DSP. TOFF = Off at "H"

Output pin of TES signal to DSP.

(HIGH FREQUENCY LEVEL) is used to judge whether main beam is positioned on the bit or on the mirror.

Thread servo off control input pin.

Pin to input CLV error signal from DSP.

Pin to input CLV error signal from DSP.

RF output pin.

Pin to set gain of RF and set 3T compensation constant together with RFSM pin.

(SLICE LEVEL CONTROL) is the output pin to control of the level of the data slice with RF waveform DSP.

Input pin to control the level of data slice with DSP.

GND pin in the digital system.

Output pin for focus search smoothening capacitor.

(Tracking Balance Control) Pin to set EF balance variable range.

No connect.

Defect detection output pin of disk.

Reference clock input pin. 4.23MHz of DSP is input.

In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

– 52 –

CD-C449W/K449W

IC1 VHiLA9241M/-1: Servo Amp. (LA9241M) (2/2)

Pin No.

59

60

61

62

63

64

55

56

57

58

51

52

53

54

Port Name

LF2

PH1

BH1

LDD

LDS

VCC1

CL

DAT

CE

DRF

FSS

VCC2

REFI

VR

Function

Micro computer command clock input pin.

Micro computer command data input pin.

Micro computer command chip enable input pin.

(DETECT RF) RF level detection output.

(Focus Serch Select) Pin to switch focus search mode. (± search/+ search for reference voltage)

VCC pin for servo system and digital system.

Pin to connect pass control for reference voltage.

Reference voltage output pin.

Pin to set defect detection time constant of disk.

Pin to connect capacitor for peak hold of RF signal.

Pin to connect capacitor for bottom hold of RF signal.

APC circuit output pin.

APC circuit output pin.

RF system VCC pin.

VCC1

64

LDS

63

APC

LDD

62

BH1

61

PH1

60

RF DET

LP2

59

VR

58

REFI

57

VCC2

56

FSS DRF

55 54

CE

53

DAT

52

CL

51

CLK

50

DEF

49

REF

FIN2 1

FIN1 2

E 3

F 4

TB 5

TE6

TE 7

TESI 8

SCI 9

TH 10

TA 11

TD12

TD 13

JP 14

I/V

BAL

T.SERVO & T.LOGIC

TE

VCA

VCA

F.SERVO & F.LOGIC

µ-COM

INTER FACE

SPINDLE SERVO

SLC

RF AMP

SLED SERVO

48 NC

47 TBC

46 FSC

45 DGND

44 SLI

43 SLC

42 RFS-

41 RFSM

40 CV+

39 CV-

38 SLOF

37 HFL

36 TES

35 TOFF

34 TGL

33 JP+

TO 15

FD 16

17

FD-

18

FA

19

FA-

20

FE

21 22 23 24

SPI

25 26

SPG SP-

Figure 53 BLOCK DIAGRAM OF IC

27

SPD

28

SLEQ

– 53 –

29

SLD

30 31

SL- SL+

32

JP-

CD-C449W/K449W

ICF01 RH-iX0235AWZZ:System Microcomputer (IX0235AW)

Pin No.

Port Name Input/Output Function

1,2

3-10

11

12

13

14

15

16

17

18

19-26

27-29

P00-P01

P10-P17

P70

RES

XT1/P74

XT2/P75

VSS1

CF1

CF2

VDD1

P80-P87

P71-73

Input/Output 8-Bit input/output port. Input/output can be specified in 4-bit units

HOLD release input. Port 0 interrupt input

Input/Output 8-Bit input/output port. Input/output can be specified in 1-bit units

Dual-purpose function

P10: SIO0 data output

P11: SIO0 data input input/bus input/output

P12: SIO0 clock input/output

P13: SIO1 data output

P14: SIO1 data input input/bus input/output

P15: SIO1 clock input/output

P16: BUZ output

P17: Timer 1 output (PWM output)

Input/Output 6-Bit input port. Dual-purpose function

P70: INT0 input/HOLD release input/Nch-Tr. Output for watchdog timer

Input

Input

Reset terminal

Output

Input terminal for 32.768 KHz crystal oscillator

Connected to VDD when not used

Dual-purpose function

General-purpose input port P74

Output terminal for 32.768 KHz crystal oscillator

Open when not use

Dual-purpose function

General-purpose input port P75

—

Input

Output

—

Input

Input

Negative power terninal

Intput terminal for ceramic oscillator

Output terminal for ceramic oscillator

Positive power terninal

8-Bit input port. Dual-purpose function

AD input port (8 pcs.)

6-Bit input port. Dual-purpose function

P71: INT1 input/HOLD release input

P72: INT2 input/timer 0 event input

P73: INT3 input (input with noise filter)/ timer 0 event input

30-37

38-45

S0/PA0-

S7/PA7

S8/PB0-

S15PB7

46-53 S16/PC0-

( 48*,51*,53*) S23/PC7

54,55

(55*)

S24/PD0-

S25/PD1

56

57

VDD2

VSS2

58-63 S26/PD2-

(58*-60*) S31/PD7

64-71

(66*)

S32/PE0-

S39/PE7

Input/Output

Input/Output

Segment output terminal for LCD display

Usable as general-purpose input/output port (PD)

Segment output terminal for LCD display

Usable as general-purpose input/output port (PE)

72-79 S40/PF0-

(74*,78*) S47/PF7

80-82

83-86

Input/Output Segment output terminal for LCD display

Usable as general-purpose input/output port (PF)

V1/PL4-

V3/PL6

Input Bias power terminal for LCD drive

Usable as general-purpose input/output port (PL)

COM0/PL0Input/Output Common output terminal for LCD display

COM3/PL3 Usable as general-purpose input/output port (PL)

87*,88* P30-P31

89

90

91-94

(94*)

95-100

(95*,96*,99*)

VSS3

VDD3

P32-P35

P02-P07

Input/Output Segment output terminal for LCD display

Usable as general-purpose input/output port (PA)

Input/OUtput Segment output terminal for LCD display

Usable as general-purpose input/output port (PB)

Input/Output Segment output terminal for LCD display

Usable as general-purpose input/output port (PC)

Input/Output Segment output terminal for LCD display

Usable as general-purpose input/output port (PD)

—

—

Positive power terninal

Negative power terninal

Input/Output 6-Bit input/output port. Input/output can be specified in 1-bit units

— Negative power terninal

— Positive power terninal

Input/Output 6-Bit input/output port. Input/output can be specified in 1-bit units

Input/Output 8-Bit input/output port. Input/output can be specified in 4-bit units

HOLD release input. Port 0 interrupt input

In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

– 54 –

CD-C449W/K449W

ICD01 RH-iX0234AWZZ:System Microcomputer (IX0234AW) (1/2)

Pin No.

Port Name Input/Output Function

1-2

(1*,2)

3-10

(5*-7*)

11

12

13

14

15

16

17

18

19-22

23-27

27-29

VSS1

CF1

CF2

VDD1

P80-P83

30-36 S0/T0-

(30*-32*) S6/T6

37-45 S7/T7-

S15/T15

46

47-50

P16-P17

P30-37

P70

RES

XT1/P74

XT2/P75

P84-P87

P71-73

VDD3

S16-S20

Input/Output 8-Bit input/output port. Input/output can be specified in 1-bit units

Dual-purpose function

P16: BUZ output

P17: Timer 1 output (PWM output)

Input/Output 8-Bit input/output port. Input/output can be specified in 1-bit units

Dual-purpose function

Nchannel open output: 15V withstand rating

Input/Output 4-Bit input/output port. Input/output can be specified in 1-bit units.

2-Bit input port. Dual-purpose functio

P70: INT0 input/HOLD release input/Nch-Tr. Output for watchdog timer

Input Reset terminal

Input

Output

—

Input

Input terminal for 32.768 KHz crystal oscillator

Connected to VDD when not used

Dual-purrpose function

General-purpose input port P74

Output terminal for 32.768 KHz crystal oscillator

Dual-purrpose function

General-purpose input port P75

When not use. (Oscillatication specification) Open. (Port specification) Connect to VDD1.

Negative power terninal

Output

—

Input

Intput terminal for ceramic oscillator

Output terminal for ceramic oscillator

Positive power terninal

Input

4-Bit input/output port. Input/output can be specified in 1-bit units.

4-Bit input port. Dual-purrpose function

AD input port (8 pcs.)

4-Bit input/output port. Input/output can be specified in 1-bit units.

4-Bit input port. Dual-purrpose function

AD input port (8 pcs.)

Input

Output

4-Bit input/output port. Input/output can be specified in 1-bit units.

4-Bit input port. Dual-purrpose function

P71: INT1 input/HOLD release input

P72: INT2 input/timer 0 event input

P73: INT3 input (input with noise filter)/ timer 0 event input

Fluorescent charcater display tube (VFD)display controller

Segment/timing shared output

Input/OUtput Fluorescent charcater display tube (VFD)display controller

Segment/timing shared output

Pull-down resistance built-in output

— Positive power terninal

Input/Output Fluorescent charcater display tube (VFD)display controller

Segment output

Dual-purrpose function

S16: High voltage withstand input port PC0

S17: High voltage withstand input port PC1

S18: High voltage withstand input port PC2

S19: High voltage withstand input port PC3

S20: High voltage withstand input port PC4

51

52-63

VP

S21-S31

— Negative power terminal (Independent power supply only for fluorescent character display tube drive output)

(Power supply for pull-dowen resistores)

Input/Output Fluorescent charcater display tube (VFD)display controller

Segment output

Dual-purrpose function

S21: High voltage withstand input port PC5

S22: High voltage withstand input port PC6

S23: High voltage withstand input port PC7

S24: High voltage withstand input port PD0

S25: High voltage withstand input port PD1

S26: High voltage withstand input port PD2

S27: High voltage withstand input port PD3

S28: High voltage withstand input port PD4

S29: High voltage withstand input port PD5

S30: High voltage withstand input port PD6

S31: High voltage withstand input port PD7

In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

– 55 –

CD-C449W/K449W

ICD01 RH-iX0234AWZZ:System Microcomputer (IX0234AW) (2/2)

Pin No.

64-71

72

73-80

(76*-78*)

81-84

85-88

89

90

91-94

Port Name

S32-S39

VDD4

S40-S47

S48-S51

P00-P03

VSS2

VDD2

P04-P07

95-100

(98*-100*)

P10-P17

Input/Output Function

Input/Output Fluorescent charcater display tube (VFD)display controller

Segment output

Dual-purrpose function

S32: High voltage withstand input port PE0

S33: High voltage withstand input port PE1

S34: High voltage withstand input port PE2

S35: High voltage withstand input port PE3

S36: High voltage withstand input port PE4

S37: High voltage withstand input port PE5

S38: High voltage withstand input port PE6

S39: High voltage withstand input port PE7

— Positive power terninal

Input/Output Fluorescent charcater display tube (VFD)display controller

Segment output

Dual-purrpose function

S40: High voltage withstand input port PF0

S41: High voltage withstand input port PF1

S42: High voltage withstand input port PF2

S43: High voltage withstand input port PF3

S44: High voltage withstand input port PF4

S45: High voltage withstand input port PF5

S46: High voltage withstand input port PF6

S47: High voltage withstand input port PF7

Input/Output Fluorescent charcater display tube (VFD)display controller

Segment output

Dual-purrpose function

S48: High voltage withstand input port PG0

S49: High voltage withstand input port PG1

S50: High voltage withstand input port PG2

S51: High voltage withstand input port PG3

Input/Output 8-Bit input/output port. Input/output can be specified in 4-bit units.

HOLD release input. Port 0 interrupt input

N channel open output: 15V withstand rating

—

—

Negative power terninal

Positive power terninal

Input/Output 8-Bit input/output port. Input/output can be specified in 4-bit units.

HOLD release input. Port 0 interrupt input

N channel open output: 15V withstand rating

Input/Output 8-Bit input/output port. Input/output can be specified in 1-bit units

Dual-purpose function

P10: SIO0 data output

P11: SIO0 data input input/bus input/output

P12: SIO0 clock input/output

P13: SIO1 data output

P14: SIO1 data input input/bus input/output

P15: SIO1 clock input/output

P16: BUZ output

P17: Timer 1 output (PWM output)

In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

– 56 –

FLD01 : VVKBJ614GK/-1 FL Display

12G 8G 7G 6G 5G 3G 2G

CD-C449W/K449W

1G

P19

P20

P21

P22

P15

P16

P17

P18

P23

P24

P25

P26

P27

P10

P11

P12

P13

P14

P6

P7

P8

P9

P1

P2

P3

P4

P5

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

11G 10G

12G

CO

9G 4G n d

DP

– r p c e f m k b g

S3 a h j

10G

–

–

–

S6

S4

S5

–

–

–

– b f j k m

S5

S3 a h

–

–

–

–

11G

–

–

–

S6

S4 p n d

DP

– e r g c n d

DP

– r p c e f m k b g

S3 a h j

9G

–

–

–

S6

S4

S5

–

–

–

– g e f

S3

S4 r

S5 a

S6 h j p n k b m c d

8G

DP

7G

–

– m g b f c j k a h

S6

S4

S5

S3 d

DP

– p n e r

–

–

– m g b f c j k a h

S6

S4

S5

S3 d

DP

– p n e r

6G

–

–

– f m g c e k b j h

S6

S4

S5

S3 a n d r p

DP

CO f m g c e k b j h

S6

S4

S5

S3 a n d r p

DP

–

B7

B1

B14

B8

5G

S2

(2G)

4G

–

–

–

–

–

–

3G

–

– c e m g r b f k j p n d

DP

–

S6

S4

S5

S3 a h

–

–

–

–

–

–

–

–

–

–

–

–

B21 B7

B15

2G

B4

B11

B18

B3B

B10

B17

B2

B9

B16

B1

B8

B15

S2

–

B13

B20

B5

B12

B19

B7

B14

B21

B6

B1

1G

B10

–

B2

B9

–

B4

B11

–

B3

B1

B8

–

S1

–

–

B13

–

B5

B12

–

B7

B14

–

B6

B14

B8

S1

(1G)

PIN No.

CONNECTION

47

F2

46

F2

45

NP

44 43 42 41

NP 12G 11G 10G

40

9G

39

8G

38

7G

37

6G

36

5G

35

4G

34

3G

33

2G

32

1G

31 30 29 28 27 26 25 24

P27 P26 P25 P24 P23 P22 P21 P20

PIN No.

CONNECTION

23 22 21 20 19 18 17 16 15 14 13 12 11 10

P19 P18 P17 P16 P15 P14 P13 P12 P11 P10 P9 P8 P7

Figure 57 FL DISPLAY

P6

9

P5

8

P4

7

P3

6

P2

5

P1

4

NP

3

NP

2

F1

1

F1

– 57 –