Sanyo DC-DA370 DA370 micro component system, SX-DA370 DA370 speaker system Service Manual
Below you will find brief information for micro component system DC-DA370 DA370, speaker system SX-DA370 DA370. It includes detailed instructions on connecting the system to external devices such as antennas, digital equipment, and video/auxiliary devices. Additionally, you'll find information on adjusting the tuner, CD player, and cassette deck settings. The manual provides step-by-step instructions for maintenance tasks like cleaning the optical lens in the CD player and replacing the LED (D6310) on the front panel. It also offers troubleshooting tips and an exploded view section for easy part identification.
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Service Manual Micro Component System
FILE NO.
DC-DA370
(UK)
Contents
Specifications ................................................................... 1
System connection ........................................................... 1
Laser beam safety precaution .......................................... 2
CD pick-up maintenance .................................................. 2
CD player adjustments ..................................................... 2
Tape adjustments ............................................................ 3
Tuner adjustments ........................................................... 4
What to do if ..................................................................... 5
When assembling the Rack Gear and CD Lid ................. 5
When replacing LED (D6310) .......................................... 5
Exploded view
(Cabinet & Chassis) ...................................................... 6
(Tape mechanism) ........................................................ 11
Parts list
(Cabinet & Chassis) ...................................................... 7
(CD mechanism) ........................................................... 7
(Tape mechanism) ........................................................ 11
PRODUCT CODE No.
129 599 00
IC block diagram & description ........................................ 11
LCD display description ................................................... 15
Schematic diagram
(CD) ............................................................................... 16
(FRONT) ....................................................................... 18
(AMPLIFIER ) ................................................................ 24
(TUNER) ....................................................................... 26
Wiring diagram
(CD & FRONT) .............................................................. 20
(TUNER & AMPLIFIER ) ............................................... 22
(PRIMARY + SECONDARY POWER
TRANSFORMER AND CD LID SWITCH) .................... 28
Voltage Table ................................................................... 29
Wiring connection ............................................................ 31
This service manual consists of "DC-DA370U" (Main unit : 129 598 00) and "SX-DA370"
(Speaker system : 165 027 00).
REFERENCE No.
SM
5810201
SPECIFICATIONS
Tuner
Reception frequency .............. FM : 87.5 - 108.0 MHz
MW: 522 - 1611kHz
LW : 144 - 288kHz
CD player
Channels ................................ 2-channel stereo
Sampling frequency ............... 44.1 kHz
Pick-up ................................... Optical 3-beam semiconductor laser
Wow and Flutter ..................... Below measurable limits
Wave length ........................... 790 nm
Laser output ........................... 0.6mW(Continuous wave max.)
Cassette deck section
Track system ......................... 4-track, 2-channel stereo
Frequency response .............. 60 Hz - 13.5 kHz
Signal to noise ratio ............... 50 dB
Wow and Flutter ..................... 0.12% (WRMS)
Fast forward / Rewind time .... Approx. 110 sec. (C-60)
General
Output power ......................... 12.5 W x 2
(at 4 ohms, 10% distortion)
Inputs ..................................... VIDEO IN : 400 mV / 50k ohms
Outputs .................................. SPEAKERS : 4 ohms
PHONES : 8 - 32 ohms
OPTICAL OUT:Optical
Power requirements ............... AC 230V, 50Hz
Power consumption ............... 40 W
Dimensions (W x H x D) ........ Approx. 160 x 251 x 207 mm
Weight .................................... Approx. 3.2 kg
Speaker system
Type ....................................... 3 way bass reflex
Unit used : Woofer ................. 10 cm cone type
: Mid range ............. 5 cm cone type
: Tweeter ................ 2 cm piezoelectric
Maximum
power-handling capacity ..... 25 Watts (peak)
Nominal impedance ............... 4 ohms
Dimensions (W x H x D) ........ Approx. 150 x 245 x 224 mm
Weight .................................... Approx. 1.9 kg (per speaker)
Specifications subject to change without notice.
SYSTEM CONNECTIONS
External aerial
AM loop aerial
Aerial wire
R ch speaker L ch speaker
Amplified Subwoofer
To an AC outlet
- 1 -
Digital equipment
Video/Auxiliary equipment
LASER BEAM SAFETY PRECAUTION
• Pick-up that emits a laser beam is used in this CD player section.
CAUTION :
USE OF CONTROLS OR ADJUSTMENTS
OR PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED HEREIN
MAY RESULT IN HAZARDOUS RADIATION
EXPOSURE
LASER OUTPUT .......... 0.6 mW Max. (CW)
WAVELENGTH ............. 790 nm
CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.
ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ UDS ÆTTELSE
FOR STRÅLING.
VARNING – OSYNLIG LASER STRÅLNING NÄR DENNA DEL ÄR ÖPPNAD
OCH SPÄRR ÄR URKOPPLAD. STRÅLEN ÄR FARLIG.
VORSICHT – UNSICHTBARE LASERSTRAHLUNG TRITT AUS, WENN
DECKEL GEÖFFNET UND WENN SICHERHEITSVERRIEGELUNG
ÜBERBRÜCKT IST. NICHT, DEM STRAHL AUSSETZEN.
VARO – AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA
NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.
CD PICK-UP MAINTENANCE
About pick-up (Optical lens) Cleaning
Clean a lens with swab of the cotton which moistened it with alcohol, cleaning paper or cleaning disc appointed.
Specified cleaning disc : LC-1 (Part code : 645 026 1961 ..... manufactured by SANYO.)
Show a clean procedure in the following in reference by swab of cotton.
1. Cotton swab is wrapped with Cleaning paper.
2. Add the isopropyl alcohol.
3. Gently move the tip of cotton swab just like a draw a whirlpool from inside to outside on the surface of lens.
CD PLAYER ADJUSTMENTS
1. ADJUSTMENTS
(1) Confirm the tracking balance
1. Turn on the POWER switch.
2. Connect an Oscilloscope to TP2 (TE) and TP4 (VC).
3. Set the test disc.
4. Press "PLAY" button to turn into the "PLAY" mode.
5. Keep holding "SKIP" button down so as to be "SERCH" mode, then confirm that the oscilloscope waveform is symmetrical on the top and bottom in relation to 0V (VC).
200mV/div.
5ms/div.
- 2 -
CD PLAYER ADJUSTMENTS
(2) Checking the "eye" pattern
1. Switch "ON" the POWER.
2. Connect an oscilloscope to TP1 (RF) and TP4 (VC).
3. Load the test disc.
4. Press the PLAY button.
5. Check to be sure that the "eye" pattern is at the center of waveform and that the diamond shape is clearly defined.
6. Press the STOP button.
7. Turn off the POWER switch.
TP1
(RF)
TP4
(VC) a
+
-
OSCILLOSCOPE
OPENING EXPANDED b
TAPE ADJUSTMENTS
1. Azimuth Adjustment
• Be sure to clean the heads before attempting to make any adjustment.
• Be sure both channels (1 and 2) are the same level.
(Using a dual-channel oscilloscope)
• Be sure both channel's waveform are same for the phase matching.
• After completion of the adjustment, use the threadlock (TB-1401B) to
secure the azimuth adjustment screws.
1. Remove the cover deck as Fig.1.
2. Load a test tape (VTT-738 etc. : 10kHz) in the Deck.
3. Press the PLAY button. (Normal playback)
4. Use a + tip screwdriver to turn the screw for normal azimuth adjustment so that the left and right outputs are maximized at the same phase during normal playback. See Fig.2.
5. Press the PLAY button. (Reverse playback)
6. Use a + tip screwdriver to turn the screw for reverse azimuth adjustment so that the left and right outputs are maximized
at the same phase during reverse playback.
7. Adjust so that the waveforms for the left and right channels are in alignment.
NORMAL
REVERSE
Fig.1
Fig.2
2. Tape Speed Adjustment
Fig.3
• Connect the Frequency Counter to TAPE OUT.
1. Insert the test tape (MTT-111N, etc.; 3,000Hz) into the DECK.
hole for adjustment
MOTOR
2. Press the PLAY button. .
3. Adjust a hole on the motor bottom so that a frequency counter reading of 3,000 ± 5Hz is obtained.See Fig.3.
4. Press the STOP button, and eject the test tape.
3. Torque Measurement
Item Take-up Torque Back tention Pulley tention
Test Cassette
PLAY/REV.
F.FWD
REW
PLAY : TW2111A (FWD)
PLAY : TW2121A (REV)
F.FWD / REW : TW2231
30 ~ 65 grcm
30 ~ 65 grcm
70 ~ 140 grcm
- 3 -
PLAY : TW2111A (FWD)
PLAY : TW2121A (REV)
2 ~ 6 grcm
-
-
Driving power cassette :
TW-2412 (PLAY)
TW-2422(REV. PLAY)
> 50grcm
70 ~140 grcm
TUNER ADJUSTMENTS
• Use a plastic screw driver for adjustments.
• MODE : ST (Stereo)
• Speaker impedance : 4 ohm
• TUNING
FM : 87.5 - 108MHz
MW: 522 - 1611kHz
LW : 144 - 288kHz
1. FM
Step Adjusting
1
Circuit Input
IF(0V)
Adjustmen
98.0MHz.Input Level
FM Antenna SG=66dB μ V
2 Cover
Voltage
---
---
2. MW
Step Adjusting
Circuit
1
IF
Input
---
2
3
Cover ---
Voltage ---
Tracking Connect AM SG to
Test loop Ant.
Standatd Input: 60dB
Antenna
Dev.
: 75 unbalanced , Modulation : 1 kHz
: ± 22.5kHz(MONO) 22.5kHz(STEREO) ± 6.75kHz(PILOT)
Remark Connection
Output
Alignment voltage IC231
± 0.05V
Connect Digital DC voltmeter to
TP11(H), TP12(E).
SG Set
Frequency Position
Adjustment
98MHz Low XF233
87.5MHZ
108.0MHZ
Low
High
---
---
SG Modulation : 1kHz, 30%
Antenna, IRE Loop, Distance : 60 cm
SG Set Adjustment Connection
Output
Connect Sweep generator to test
Frequency Position
450kHz
Low point TP13(L)or TP14(R) and TP15(E). (at 999kHz)
T2002
Alignment voltage IC231
3-22pin is 0.0
± 0.5V
1.4
± 0.05V
6.8
± 0.5V
Remark
AF Maximum
Connect Digital DC voltmeter to
TP11(H )and TP12(E).
Connect to VTVM point TP13(L)or TP14(R) and TP15(E).
522kHZ
1611kHZ
603KHZ
1404kHZ
Low
High
Low
High
L2153
L2151
CT252
1.00
± 0.05V
6.70
± 0.10V
AF Maximum
3. LW
Step Adjusting
1
2
Circuit
Cover
Input
---
Voltage ---
Tracking Connect AM SG to
Test loop Ant.
Connection
Output
Connect Digital DC voltmeter to
TP11(H) and TP12(E).
Connect to VTVM point TP13(L)or TP14(R) and TP15(E).
SG Set
Frequency Position
144kHZ Low
Adjustment
L2154
288kHZ
162kHZ
279kHZ
High
Low
High
---
L2152
CT251
- 4 -
Remark
1.00
± 0.05V
5.42
± 0.10V
AF Maximum
WHAT TO DO IF
If the operation of the unit or display is not normal, even though the appropriate buttons have been pressed. Disconect the power cord from the AC outlet, then press "RESET"
(rear of the unit) for at least 30 seconds.
WHEN ASSEMBLING THE RACK GEAR AND CD LID
When assembling the rack gear and CD lid, "A"part should be inserted into the "B" part.
A
B
WHEN REPLACING LED (D6310)
When replacing the LED (D6310);
If the pointed pattern is shorted, remove the soldering first.
Then replace LED (D6310) with new LED on the parts list.
- 5 -
FRONT P.W.BOARD
EXPLODED VIEW (CABINET & CHASSIS)
N.S.P : Not supplied as service parts.
- 6 -
PARTS LIST
PRODUCT SAFETY NOTICE
EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC
SYMBOL !!!
IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY CAN BE OF
SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED BY !!!
, USE ONLY THE REPLACEMENT PARTS DESIGNATED,
OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN THE PARTS LIST
IN THIS MANUAL. LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE PRODUCT TO THE CUSTOMER.
CAUTION : Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.
Regular type resistors are less than 1/4 W Carbon type and Chip type resistors.
Regular type capacitors are less than 50 V and less than 1000 µF type of Ceramic type, Electrical type and Chip type.
PACKING & ACCESSORIES
REF.NO. PART NO. DESCRIPTION
614 314 2843 CARTON CASE
614 314 2850 CUSHION,REAR or
614 314 2867 CUSHION,FRONT
614 314 2904 INSTRUCTION MANUAL
614 245 8587 NOTICE,AC CODE
645 037 8102 POLY BAG-0150X0500*NC,AC CORD
614 229 4635 ANT
614 308 5515 ANT
645 005 1227 ASSY,ANTENA,LOOP
645 046 8322 ASSY,ANTENA,LOOP
645 044 1110 REMOCON,***
614 318 9404 LID BATTERY,REMOCON
614 314 2300 ASSY,BOX,SPEAKER,SPEAKER(L)
614 318 3068 ASSY,BOX,SPEAKER,SPEAKER(R)
614 314 2317 ASSY,GRILLE
30
31
32
33
34
26
27
28
29
35
14
15
16
17
18
19
20
21
22
23
24
25
7
8
5
6
9
12
13
CABINET & CHASSIS
2
3
REF.NO. PART NO. DESCRIPTION
1 614 314 2409 ASSY,DOOR,DECK
4
614 314 2645
614 303 5718
614 314 2430
LID,CASSETTE
KNOB,VR
ASSY,PANEL,FRONT
614 314 2454 BUTTON,POWER,5KEYS
614 314 2478 BUTTON,PLAY,10KEYS
614 314 2515 BUTTON,MEMORY,6KEYS
614 309 7969 ASSY,GEAR,LID CASSETTE
614 303 5794 SPRING,DOOR DECK
614 303 1277 LATCH,CAM,DECK,DOOR,LOCKING
614 316 0359 MOUNTING,HOOK,ASSY,MECHA
614 304 5700 HOLDER,MAIN PCB,MAIN PCB
614 310 3899 SPACER,MECHA,MTG CD+DA11
614 307 2072 COVER,PICK-UP
614 314 8067 RACK,GEAR-1
614 318 5079 ASSY,CLUTCH
614 314 8043 GEAR
614 314 8050 MOUNTING,MOTOR
614 314 8036 GEAR
614 237 7161 PULLEY
614 300 8293 BELT,SQUARE
614 314 2669 MOUNTING,CD
614 309 8270 ASSY,GEAR,LID,CD
614 307 8821 PULLEY
614 303 0256 LATCH,MAGNET
614 314 2652 LID,CD
614 314 2614 DEC,WINDOW,CD
614 315 9254 DEC,CAP
614 314 2393 ASSY,CABINET,REAR
614 316 1172 STOPPER
614 318 8841 ASSY,MOTOR
614 269 9621 SPACER,WINDOW,CD+WINDOW
614 307 9804 ASSY,MECHA,CDDA11N-SASH
614 129 9136 LUG,LEAD FIX
FIXING PARTS
REF.NO. PART NO. DESCRIPTION
Y01 411 165 3803 SCR S-TPG BIN 2.3X10,F-PANEL
Y02 411 021 3503 SCR S-TPG BIN 3X10,
Y03
Y04
Y05
Y07
Y08
Y09
Y10
Y11
Y12
Y13
Y14
Y15
Y16
Y17
Y18
Y20
Y21
Y22
Y23
Y24
Y25
Y26
Y27
Y28
F-PANEL+BUTTON,PLAY
412 003 1708 SPECIAL SCREW,FRONT+ASSY,GEAR
411 022 4608 SCR S-TPG FLT 3X8,
MECHA+MOUNTING,HOOK
411 021 3503 SCR S-TPG BIN 3X10,
F-PANEL+LATCH,CAM+MECHA
411 021 3503 SCR S-TPG BIN 3X10,
MTG CD+CD PCB
411 021 1806 SCR S-TPG BIN 2.6X10,MTG CD+DA11
411 092 0906 WASHER Z 2.6X10X0.5,MTG CD+DA11
412 061 7803 SPECIAL SCREW,GEAR
411 021 3503 SCR S-TPG BIN 3X10,ASSY,
MOTOR+MOUNT CD
411 044 7502 SCR PAN+SW 2X5,MOTOR
411 021 3503 SCR S-TPG BIN 3X10,MTG CD+F-PCB
411 021 3503 SCR S-TPG BIN 3X10,
MOUNTING,CD+ASSY,GEAR
411 021 4906 SCR S-TPG BIN 3X20,
P-PANEL+MTG CD
411 021 3503 SCR S-TPG BIN 3X10,SWITCH,
PWB+MOUNTING CD
411 021 3503 SCR S-TPG BIN 3X10,MAIN PCB
411 165 3803 SCR S-TPG BIN 2.3X10,LID CD+DEC
WINDOW CD
411 021 3503 SCR S-TPG BIN 3X10,REAR+STOPPER
412 032 6408 SPECIAL SCREW,REAR+P-TRANS
411 021 4906 SCR S-TPG BIN 3X20,C-REAR
411 021 3404 SCR S-TPG BIN 3X10,
C-REAR(ANT TERMINAL)
411 021 3404 SCR S-TPG BIN 3X10,MTG CD+REAR
411 021 3404 SCR S-TPG BIN 3X10,C-REAR+OPT
411 098 7800 SCR S-TPG FLT 3X12,
C-REAR+MTG(L/R)
411 021 3503 SCR S-TPG BIN 3X10,
REAR+AC CORD PCB
411 156 2105 SCR S-TPG BIN 2.3X6,LUG45 or
54
55
56
57
58
59
ELECTRICAL PARTS
REF.NO. PART NO. DESCRIPTION
51 !!!
645 044 6078 TRANS,POWER
52
53 or
!!!
!!!
!!!
423 016 8103
645 033 7543
645 036 9797
FUSE 250V 4A
CORD,POWER-1.6MK
CORD,POWER-1.6MK
!!!
645 036 9803 CORD,POWER-1.6MK
614 316 8041 ASSY,WIRE,CD-CD MECHA
614 316 8072 FLEXIBLE FLAT CABLE,CD-CD MECHA
614 316 8027 ASSY,WIRE,AMP-TAPE MECHA
614 316 8065 FLEXIBLE FLAT CABLE,AMP-FR
614 316 8010 ASSY,WIRE,R/P HEAD-AMP
645 031 7637 CORE,FERRITE
614 316 8034 ASSY,WIRE,CD-LID
- 7 -
PARTS LIST
CD P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
71 614 314 9606 ASSY,PWB CD (Only Initial)
IC103
IC104
L1451 or
PR140
Q1301 or or or
Q1401 or or
R1211
X1451
CN111 or
CN113 or
CN114 or
CN115
D1211
D1402
D1404
IC101
IC102
!!!
!!!
!!!
!!!
!!!
!!!
!!!
645 040 0513 SOCKET,FPC 15P
645 026 2463 SOCKET,FFC 15P
645 005 8127 PLUG,6P,BASEMECHA
614 310 2472 PLUG,6P,BASEMECHA
645 005 9292 PLUG,5P
614 310 2465 PLUG,5P
614 316 7990 ASSY,WIRE,WIRE
407 099 4603 ZENER DIODE MTZJ3.9B
407 099 5204 ZENER DIODE MTZJ5.1B
407 012 4406 DIODE 1SS133
409 396 8100 IC LA9241ML
409 435 2106 IC LC78622NE
409 372 9602 IC LA6541
409 441 4507 IC TA7291S(M)
645 031 7835 INDUCTOR,10U K
645 001 4550 INDUCTOR,10U K
645 014 2499 PROTECTOR,0.4A 125V
405 151 4608 TR KTA1270-O
405 151 4509 TR KTA1270-Y
405 008 6809 TR 2SB808-F-SPA
405 008 7103 TR 2SB808-G-SPA
405 009 5306 TR 2SB927-T
405 009 5207 TR 2SB927-S
405 141 3604 TR KTA1273-Y
402 082 0709 RESISTOR 5.6 J- 2W
645 020 9024 OSC,CRYSTAL 16.9344MHZ
FRONT P.W.BOARD ASSY
D6114
D6115
D6310
D6311
IC601
L6010
LCD60
Q6101 or or or
Q6102 or or
REF.NO. PART NO. DESCRIPTION
72 614 314 9590 ASSY,PWB FRONT (Only Initial)
AH601
AR601
614 314 2621
614 315 6505
HOLDER,LCD,HOLDER_LCD
REFLECTOR,REFLECTOR_LCD
AS601
C6011 or
CN601
614 314 3000
403 262 8607
403 304 4802
645 012 5362
DEC,SHEET,LCD,DEC_SHEET_LCD
DL-ELECT 0.047F Z 5.5V
DL-ELECT 0.047F Z 5.5V
SOCKET,FPC 32P
D6010
D6110
D6111
D6112
D6113
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133 or
Q6103 or or or
Q6105 or
407 099 5303 ZENER DIODE MTZJ5.6B
407 099 4603 ZENER DIODE MTZJ3.9B
407 221 6109 LED FA5366X * See page 5.
407 222 3800 LED E1L55-7B0A
410 405 4204 IC LC867240A-5V46
645 001 5441 INDUCTOR,2.2U K
645 043 6239 LCD
405 141 3307 TR KTC3198-GR
405 141 3208
405 019 3804
405 019 2708
405 004 5004
405 004 4502
405 141 3505
405 141 3406
405 004 4502
405 004 5004
405 141 3505
405 141 3406
405 000 3806
405 143 0007
TR KTC3198-Y
TR 2SC536-G-NP
TR 2SC536-F-NP
TR 2SA608-G-NP
TR 2SA608-F-NP
TR KTA1266-Y
TR KTA1266-GR
TR 2SA608-F-NP
TR 2SA608-G-NP
TR KTA1266-Y
TR KTA1266-GR
TR DTC114YS
TR KRC107M
S6117 or or
S6118 or or
S6119 or or
S6210 or or
S6211 or or
S6113 or or
S6114 or or
S6115 or or
S6116 or or or
S6212 or or
S6213 or or
S6214 or or
S6215 or or
S6216 or or
S6217 or or
REF.NO. PART NO. DESCRIPTION
Q6106 405 000 3806 TR DTC114YS or
Q6107 or or or
405 143 0007
405 004 5004
405 004 4502
405 141 3505
405 141 3406
TR KRC107M
TR 2SA608-G-NP
TR 2SA608-F-NP
TR KTA1266-Y
TR KTA1266-GR
Q6108 or or or or
S6001
S6110 or or
S6111 or or
S6112 or
405 017 9709
405 017 9600
405 011 8609
405 011 8500
405 143 8706
645 044 6535
614 240 1002
614 220 5471
645 006 5958
614 220 5471
614 240 1002
645 006 5958
645 006 5958
614 240 1002
TR 2SC3330-U
TR 2SC3330-T
TR 2SC1740S-S
TR 2SC1740S-R
TR KTC3199-GR
SWITCH,ROTARY(ENCODER)
SWITCH,TACT
SWITCH,TACT
SWITCH,PUSH 1P-1T
SWITCH,TACT
SWITCH,TACT
SWITCH,PUSH 1P-1T
SWITCH,PUSH 1P-1T
SWITCH,TACT
614 220 5471 SWITCH,TACT
645 006 5958 SWITCH,PUSH 1P-1T
614 240 1002 SWITCH,TACT
614 220 5471 SWITCH,TACT
645 006 5958 SWITCH,PUSH 1P-1T
614 240 1002 SWITCH,TACT
614 220 5471 SWITCH,TACT
614 220 5471 SWITCH,TACT
614 240 1002
645 006 5958
645 006 5958
614 240 1002
614 220 5471
SWITCH,TACT
SWITCH,PUSH 1P-1T
SWITCH,PUSH 1P-1T
SWITCH,TACT
SWITCH,TACT
645 006 5958 SWITCH,PUSH 1P-1T
614 240 1002 SWITCH,TACT
614 220 5471 SWITCH,TACT
645 006 5958 SWITCH,PUSH 1P-1T
614 240 1002 SWITCH,TACT
614 220 5471 SWITCH,TACT
614 220 5471 SWITCH,TACT
614 240 1002 SWITCH,TACT
645 006 5958 SWITCH,PUSH 1P-1T
645 006 5958 SWITCH,PUSH 1P-1T
614 240 1002 SWITCH,TACT
614 220 5471 SWITCH,TACT
645 006 5958 SWITCH,PUSH 1P-1T
614 240 1002 SWITCH,TACT
614 220 5471 SWITCH,TACT
645 006 5958 SWITCH,PUSH 1P-1T
614 240 1002 SWITCH,TACT
614 220 5471 SWITCH,TACT
645 006 5958 SWITCH,PUSH 1P-1T
614 240 1002 SWITCH,TACT
614 220 5471
645 006 5958
614 240 1002
614 220 5471
614 220 5471
614 240 1002
645 006 5958
SWITCH,TACT
645 006 5958 SWITCH,PUSH 1P-1T
614 240 1002 SWITCH,TACT
614 220 5471 SWITCH,TACT
645 006 5958 SWITCH,PUSH 1P-1T
614 240 1002 SWITCH,TACT
614 220 5471 SWITCH,TACT
SWITCH,PUSH 1P-1T
SWITCH,TACT
SWITCH,TACT
SWITCH,TACT
SWITCH,TACT
SWITCH,PUSH 1P-1T
- 8 -
PARTS LIST
REF.NO. PART NO. DESCRIPTION
S6218 614 240 1002 SWITCH,TACT or or
S6219 or or
645 006 5958
614 220 5471
645 006 5958
614 240 1002
614 220 5471
SWITCH,PUSH 1P-1T
SWITCH,TACT
SWITCH,PUSH 1P-1T
SWITCH,TACT
SWITCH,TACT
S6220 or or
SE601
X6101
X6102
645 006 5958 SWITCH,PUSH 1P-1T
614 240 1002 SWITCH,TACT
614 220 5471 SWITCH,TACT
407 217 1101 PHOTO DIODE SPS-442-1G
645 032 1627 OSC,CRYSTAL 32.768KHZ
645 018 6103 OSC,CERAMIC 6.000MHZ
614 317 3397 CUSHION
TUNER & AMPLIFIER P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
73 614 314 5028 ASSY,PWB AMP-TU (Only Initial)
C2457
C4601
403 259 0508
403 057 3503
NP-ELECT 1U M 50V
POLYESTER 0.1U K 50V or
CN445 or
CN450
CN455
CN456
CN457
CN458
CT251
CT252
D2103
D2104
D2151
D2153 or
D2301
D2450
D2451
D2452
C4605
C4606
C4607
C4608
C4743
C4843
C4950
C4984 or
CN201 or
CN400
CN430 or
CN431 or
CN440 or
CN441
D2453
D2454
D2455
D2456
D2466
D4500
D4960
D4991
D4992
D4993
!!!
403 061 3605 POLYESTER 0.039U J 50V
403 061 7702 POLYESTER 4700P J 50V
403 059 3204 POLYESTER 2200P J 50V
403 060 2807 POLYESTER 0.027U K 50V
403 057 3503 POLYESTER 0.1U K 50V
403 057 3503 POLYESTER 0.1U K 50V
403 332 7400 ELECT 2200U M 50V
403 194 3800 ELECT 2200U M 25V
403 329 3309 ELECT 2200U M 25V
614 255 5750 TERMINAL
645 032 6394 TERMINAL
645 012 5362 SOCKET,FPC 32P
645 005 7373 PLUG,3P
614 310 2441 PLUG,3P
407 218 1100 PHOTO COUPLE GP1FA550TZ
407 215 1608 PHOTO COUPLE TOTX178A
614 310 2472 PLUG,6P
645 005 8127 PLUG,6P
614 310 2748 PLUG,3P,POWER
645 004 2898 PLUG,3P,POWER
614 310 2519 PLUG,10P
645 005 8158 PLUG,10P
614 276 6835 SOCKET,JACK
645 011 6384 JACK,PHONE D3.6,HEADPHONE
645 006 1875 PLUG,2P,SPEAKER
645 006 1875 PLUG,2P,SPEAKER
645 043 8905 JACK,RCA
645 032 5236 TRIMMER,18PF
645 032 5663 TRIMMER,7PF
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 105 1602 VARACTOR DI SVC342M-V
407 105 1305 VARACTOR DI SVC342L-V
407 063 9108 ZENER DIODE MTZJ6.8B
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 153 7502 ZENER DIODE GZS3.0B
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 099 6805 ZENER DIODE MTZJ13B
407 099 6003 ZENER DIODE MTZJ9.1B
407 012 4406 DIODE 1SS133 or or
Q2156 or or
Q2157 or or or or
Q2201 or or
Q2310 or or or or
Q2451 or or or or or
Q2152 or or
Q2153 or or
Q2154 or or
Q2155
L4600
L4601
L4602
L4603
L4604
LUG45
LUG46
PR495
PR496
Q2140 or or or
REF.NO. PART NO. DESCRIPTION
D4994 407 098 3300 DIODE RL153-BF-S2
D4998
HS401
IC231
IC241
IC440
407 012 4406
614 314 3017
409 474 3201
409 439 4502
409 451 7406
DIODE 1SS133
HEAT SINK,HEATSINK
IC LA1844ML
IC LC72121M-D
IC AN7348K
IC441
IC442
IC443
IC445
IC446
L2100
L2101
L2151
L2152
L2153
L2154
L2301
L2451 or
!!!
!!!
!!!
!!!
409 500 2208
409 451 2104
409 189 3404
409 469 6200
409 039 9204
645 037 2858
645 037 2858
645 040 2685
645 046 7998
645 040 2708
645 040 2722
645 004 0580
645 001 4581
645 031 7842
IC LC75343-MPB
IC TDA7269
IC BA7755A
IC MM1453XF
IC NJM78L05A
CORE,PIPE
CORE,PIPE
TRANS,ANT,796KHZ
TRANS,ANT,796KHZ
TRANS,OSC,796KHZ
TRANS,OSC,796KHZ
INDUCTOR,1M J
INDUCTOR,100U K
INDUCTOR,100U K
!!!
!!!
645 006 1523 INDUCTOR,470U J
645 006 1523 INDUCTOR,470U J
645 037 2858 CORE,PIPE
645 006 1523 INDUCTOR,470U J
645 037 2858 CORE,PIPE
614 129 9068 LUG
614 129 9082 LUG
645 014 2505 PROTECTOR,0.8A 125V
645 014 2512
405 020 7402
405 020 7204
405 019 3705
405 017 9709
PROTECTOR,1A 125V
TR 2SC945A-P
TR 2SC945A-K
TR 2SC536-G-AUD-SPA
TR 2SC3330-U
405 017 9600 TR 2SC3330-T
405 011 8609 TR 2SC1740S-S
405 011 8500 TR 2SC1740S-R
405 143 8706 TR KTC3199-GR
405 016 0806 TR 2SC2839-E
405 151 4103 TR KTC3193-Y
405 151 4202 TR KTC3193-O
405 151 4202 TR KTC3193-O
405 151 4103 TR KTC3193-Y
405 016 0806 TR 2SC2839-E
405 016 0806 TR 2SC2839-E
405 151 4202 TR KTC3193-O
405 151 4103 TR KTC3193-Y
405 016 0806 TR 2SC2839-E
405 151 4103 TR KTC3193-Y
405 151 4202 TR KTC3193-O
405 016 0806 TR 2SC2839-E
405 151 4103 TR KTC3193-Y
405 151 4202 TR KTC3193-O
405 035 8609 TR 2SK544-F
405 035 8708 TR 2SK544-E
405 016 0806 TR 2SC2839-E
405 151 4103 TR KTC3193-Y
405 151 4202 TR KTC3193-O
405 020 7402 TR 2SC945A-P
405 020 7204 TR 2SC945A-K
405 019 3705 TR 2SC536-G-AUD-SPA
405 017 9709 TR 2SC3330-U
405 017 9600 TR 2SC3330-T
405 011 8609 TR 2SC1740S-S
405 011 8500 TR 2SC1740S-R
405 143 8706 TR KTC3199-GR
405 036 3702 TR 2SA1564
405 151 5209 TR KRA107M
- 9 -
PARTS LIST
Q4991 or or
Q4992 or or
Q4993 or or
Q4994 or
R4742
R4842 or
Q4950 or or or
Q4960
Q4961
Q4962 or
Q4963 or
Q4990 or or
S0001
S4901
SA401
SA402
SA403
SA404
SA405
SH201 or
Q4501 or
Q4502 or
Q4600
Q4601 or
Q4602 or or or
Q4603 or or or
Q4700 or
Q4800
REF.NO. PART NO. DESCRIPTION or 405 000 0904 TR DTA114YS or
Q2452
405 078 2404
405 078 2404
TR BN1A4P
TR BN1A4P or or or
Q2453 or
405 000 0904
405 151 5209
405 036 3702
405 036 3702
405 151 5209
TR DTA114YS
TR KRA107M
TR 2SA1564
TR 2SA1564
TR KRA107M or or
Q4410 or or
405 000 0904 TR DTA114YS
405 078 2404 TR BN1A4P
405 141 3406 TR KTA1266-GR
405 141 3505 TR KTA1266-Y
405 004 4502 TR 2SA608-F-NP
405 004 5004 TR 2SA608-G-NP
405 000 3806 TR DTC114YS
405 143 0007 TR KRC107M
405 143 0007 TR KRC107M
405 000 3806 TR DTC114YS
405 155 0002 TR MPSA56
405 000 3806
405 019 2708
405 141 3307
405 019 3804
405 000 3806
405 143 0007
405 000 3806
TR DTC114YS
405 143 0007 TR KRC107M
405 019 3804 TR 2SC536-G-NP
405 019 2708 TR 2SC536-F-NP
405 141 3307 TR KTC3198-GR
405 141 3208 TR KTC3198-Y
405 141 3208 TR KTC3198-Y
TR 2SC536-F-NP
TR KTC3198-GR
TR 2SC536-G-NP
TR DTC114YS
TR KRC107M
TR DTC114YS
!!!
!!!
!!!
!!!
!!!
!!!
!!!
!!!
405 143 0007 TR KRC107M
405 141 3307 TR KTC3198-GR
405 019 2708 TR 2SC536-F-NP
405 019 3804 TR 2SC536-G-NP
405 141 3208 TR KTC3198-Y
405 155 0002 TR MPSA56
405 155 0002 TR MPSA56
405 000 3806 TR DTC114YS
405 143 0007 TR KRC107M
405 000 3806 TR DTC114YS
405 143 0007 TR KRC107M
405 138 6403 TR KTD2058Y
405 095 1602
405 095 1701
405 008 2504
405 000 3806
405 143 0007
402 071 1304
402 071 1304
TR 2SD2061-E
TR 2SD2061-F
405 095 1602 TR 2SD2061-E
405 095 1701 TR 2SD2061-F
405 138 6403 TR KTD2058Y
405 141 3703 TR KTA1271-Y
405 008 2405 TR 2SB698-F
405 008 2504 TR 2SB698-G
405 141 3703 TR KTA1271-Y
405 008 2405 TR 2SB698-F
TR 2SB698-G
TR DTC114YS
TR KRC107M
FUSIBLE RES 2.2 JA 1/4W
FUSIBLE RES 2.2 JA 1/4W
614 317 3007 SHIELD,PLATE
614 215 9828 SWITCH,TACT
411 021 6405 SCR S-TPG BIN 3X8
411 021 6405 SCR S-TPG BIN 3X8
411 021 6405 SCR S-TPG BIN 3X8
411 021 6405 SCR S-TPG BIN 3X8
411 021 6405 SCR S-TPG BIN 3X8
614 310 5404 SHIELD,ANTENA
REF.NO. PART NO. DESCRIPTION
T2002 645 046 2023 FILTER,450KHZ
U2101
X2451
XF221 or or
645 043 6697
645 023 4965
645 010 7665
645 010 0079
614 240 2917
TUNER,FM
OSC,CRYSTAL 7.2MHZ
CERAMIC FILTER 10.70MHZ
CERAMIC FILTER 10.70MHZ
FILTER,CERAM
XF222 or or
XF231
XF233 or
645 010 7665 CERAMIC FILTER 10.70MHZ
645 010 0079 CERAMIC FILTER 10.70MHZ
614 240 2917 FILTER,CERAM
645 041 9324 CERAMIC FILTER 450KHZ
645 039 9923 TRANS,IF 10.7MHZ
645 040 9981 TRANS,IF 10.7MHZ
POWER TRANSFORMER,
PRIMARY P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
74 614 314 9613 ASSY,PWB PT1 (Only Initial)
CN411
CN412
L4191 or or
!!!
!!!
!!!
614 017 8203 TERMINAL BOARD
614 017 8203 TERMINAL BOARD
645 041 3087 INDUCTOR,180U
645 038 6053 INDUCTOR,181U
645 017 8061 INDUCTOR,181M
POWER TRANSFORMER,
SECONDARY P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
75 614 314 9620 ASSY,PWB PT2 (Only Initial)
CN420
CN421
614 020 1222
614 316 8003
SOCKET,3P
ASSY,WIRE,PT-AMPWIRE
D4280
D4281
!!!
!!!
407 196 5800 DIODE 1N5402BD82
407 196 5800 DIODE 1N5402BD82
D4282
D4283
D4284
FCL41 or
FCL42 or
PR420
!!!
!!!
!!!
!!!
!!!
!!!
!!!
!!!
407 196 5800
407 196 5800
407 098 3300
645 006 4760
645 031 7903
645 006 4760
645 031 7903
645 014 2567
DIODE 1N5402BD82
DIODE 1N5402BD82
DIODE RL153-BF-S2
HOLDER,FUSE
HOLDER,FUSE
HOLDER,FUSE
HOLDER,FUSE
PROTECTOR,2.5A 125V
CD LID SWITCH P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
76 614 316 5170 ASSY,PWB CD LID SW (Only Initial)
S1900
S1901
645 044 8782
645 044 8799
SWITCH,LEVER
SWITCH,LEVER
- 10 -
PARTS LIST(TAPE MECHANISM)
2
1
3
※
5
6
7
3
4
1
2
TAPE MECHANISM
REF.NO. PART NO. DESCRIPTION
614 315 4839 ASSY,MECHA,TM-DA370TN-SH
645 045 1799 R/P,E HEAD KC-9142EA-0321
645 010 9454 PINCH ROLLER(R) ASSY
645 010 9447 PINCH ROLLER(F) ASSY
645 045 1751 ASSY,MOTOR
645 045 1959 RF BELT
645 045 1997 MAIN BELT
645 045 2048 DETECT SWITCH MXS01190
5
6
※
※
7 ※N.S.P : Not supplied as service parts.
※
※
4
※
※
IC BLOCK DIAGRAM & DESCRIPTION
IC101 LA9241M (Servo Signal Processor) IC103 LA6541 (Pick-up Actuator & Motor Driver)
FIN1 2
E 3
F 4
TB 5
TE6
TE 7
TESI 8
SCI 9
FIN2 1
TH 10
TA 11
TD12
TD 13
JP 14
TO 15
FD 16
Vcc1
64
I/V
LDS
63
LDD
62
BH1 PH1
61 60
APC
RF DET
LF2
59
VR REF1 Vcc2
58 57 56
FSS DRF CE DAT CL CLK
55 54 53 52 51 50
DEF
49
REF
BAL
VCA
VCA μ -com
INTER FACE
SLC
48 NC
47 TBC
46 FSC
45 DGND
44 SLI
43 SLC
42 RFS-
RF Amp
TE
T.SERVO & T.LOGICK
F.SERVO & F.LOGICK
SPINDLE SERVO
SLED SERVO
Vcc
24
Vref
23
11k
VIN4
22
VG4
21
Vo8
20
Vo7
19
Vcc
GND
Level
Sift
BTL
Driver
Level
Sift
BTL
Driver
1
Vcc
2
Mute
11k
3
VIN1
4
VG1
5
Vo1
6
Vo2 GND
41 RFSM
40 CV+
39 CV-
38 SLOF
37 HFL
36 TES
35 TOFF
34 TGL
33 JP+
IC104 TA7291S( Bridge Driver)
Vcc Vref
2 8
REG
Protective Circuit
(Heat Interception)
Vo6
18
Vo5
17
VG3
16
11k
VIN3
15
CD
14
RES
13
BTL
Driver
Level
Sift
RESET
BTL
Driver
Level
Sift Regulator
7
Vo3
8
Vo4
9
VG2
11k
10 11 12
VIN2 Reg OUT Reg IN
6 Vs
7 OUT1
3 OUT2
17
FD-
18
FA
19
FA-
20
FE
21 22 23
FEAGND SP
24
SPI
25 26
SPG SP-
27
SPD
28
SLEQ
29
SLD
30 31
SLSL+
32
JP-
- 11 -
9 1
IN1 IN2
5
GND
IC BLOCK DIAGRAM & DESCRIPTION
IC440 AN7348K ( Play/Rec Pre Amp)
A/Rec
B
24 23 22 21 20 19 18 17 16
P
15
R
14 13
ALC
1
A/Rec
B
2
PB Amp(L)
PB Amp(R)
3 4
Mute
Mute
5
Logic
A/B
6 7
Rec
Amp(L)
R
P
Nor/Cro
& Hi/Lo
Logic
Rec
Amp(R)
R
P
Ripple
Rejection
8
Logic
Rec/PB
9 10 11 12
IC443 BA7755A (Head Switch)
1 2 3
VCC
HEAD
SWITCH
GND
4 5
CTRL2 CTRL1
IC445 MM1453XF (Q Xpander with Spread Control)
V CC
18
L IN
17
V REF
16
QF1
15
QF2 QF3 QF4 QF5 QF6
14 13 12 11 10
Bias
VIRTUAL AUDIO
QXpander
PROCESSOR
1 2 3 4 5 6 7 8
R IN PNR S/Q DET Q IN SPC R OUT L OUT
9
GND
IC231 LA1844ML ( Tuner System)
24 23 22 21 20
ALC
BUFF
AM
OSC
AM
MIX
AM
RF.AMP
AGC
19 18
LEVEL
DET
FM
IF
S-CURVE
AM/FM
IF
BUFF
FM
DET
REG
1 2 3 4
AM
IF
GND
5
AM
DET
COMP
TUNING
DRIVE
6
- 12 -
7
17
IC442 TDA7269 ( Stereo Amplifier)
VSS
3
MUTE 5
IN-L
GND
7
9
+
-
IN-R 11
-
+
1 6
IN-R IN-R
4 OUT-L
8 IN-L
10 IN-R
2
OUT-R
16 15 14 13
P-DET
φ
DECODER
ANTI-BIRDIE
STEREO
SW
PILOT
CANCEL
VCO
304kHz
FF
38k
FF
π
19k ∠
2
FF
19k ∠
PILOT
DET
8
VCC
9 10 11 12
IC BLOCK DIAGRAM & DESCRIPTION
IC102 LC78622NE (Digital Signal Processor)
22
26
27
28
29
23
24
25
19
20
21
15
16
17
18
10
11
12
13
14
8
9
6
7
No.
Pin Name I/O
1 DEFI I
Function
Input terminal for detect signal of defect
2
3
4
5
TAI
PDO
VVSS
ISET
I Input terminal for test.
O The phase comparison output terminal for external VCO control.
Ground terminal for built-in VCO
I Resistance connection terminal for electric current adjustment of PDO output.
VVDD
FR
VSS
EFMO
I
-
Built-in VCO power supply terminal.
VCO frequency range adjustment.
Ground for Digital
O EFM signal output terminal for slice level control.
30
31
EFMIN
TEST2
CLV+
CLV-
V/P
HFL
TES
TOFF
TGL
I EFM signal input terminal for slice level control.
I TEST pin. Normal time is non connection.
O Output terminal for Disc motor control.
O Output terminal for Disc motor control.
O Change of rough servo / phase control
Rough servo : "H", Phase control : "L"
I
I Input terminal of track search signal.
Input terminal of tracking error signal.
O Output terminal of tracking off.
O Output terminal for change of tracking gain.
JP+
JP-
O Output terminal for tracking jump control.
O Output terminal for tracking jump control.
PCK O Clock monitor output terminal for EFM data playback. (4.3218 MHz)
O Output terminal for detect of SYNC signal.
FSEQ
DVDD +5V
CONT1 I/O
CONT2 I/O This output can control at serial control from
CONT3 I/O micro processor.
CONT4 I/O
CONT5 I/O
EMPH O Output terminal of de-emphasis monitor .
"H" : de-emphasis
C2F
DOUT
O Output terminal of C2 flag
O Output terminal of digital out
59
60
61
62
63
64
55
56
57
58
51
52
53
54
SBCK
FSX
WRQ
RWC
SQOUT
COIN
CQCK
RES
TST11
16M
4.2M
TEST5
CS
TEST1
43
44
45
46
47
39
40
41
42
35
36
37
38
No.
Pin Name I/O
32 TEST3 I Test pin.
33
34
TEST4
NC -
I Test pin.
Non connection.
MUTEL
LVDD
LCHO
LVSS
Function
O Mute output terminal for L-ch
Power supply for L-ch
O Output terminal for L-ch
GND for L-ch
48
49
50
RVSS
RCHO
RVDD
MUTER
XVDD
XOUT
XIN
XVSS
SBSY
EFLG
PW
SFSY
-
-
I
GND for R-ch
O Output terminal for R-ch
Power supply for R-ch
O Mute output terminal for R-ch
Power supply of crystal oscillation
O Connection terminal of crystal oscillation (16.9344MHz)
Connection terminal of crystal oscillation (16.9344MHz)
GND of crystal oscillation
O Output terminal for synchronizing signal of sub-cord block
O Output terminal for correction monitor of C1, C2,
Single and Double
O Output terminal for sub-cord of P, Q, R, S, T, U and W
O Output terminal for synchronizing signal of sub-cord frame
I Input terminal for readout clock of sub-cord
O Output terminal of Synchronizing signal (7.35kHz)
O Output terminal for standby of sub-cord Q output
I Input terminal of read / write control
O Output terminal of sub-cord Q
I Input terminal of command from micro processor
I Clock input for reading sub-cord from SQOUT
I Reset (turn on : L)
O Test pin
O 16.9344MHz
O 4.2336MHz
I Test pin
I Chip select terminal
I Test pin
DEFI 1
EFMIN 10
EFMO
9
Slice level
Control
VV DD VV SS
6 4
PDO ISET FR
3 5 7
VCO Clock Oscillator
& Clock Control
PCK
21
TST11
TAI
TEST2
TEST1
TEST4
TEST3 TEST5
2 59 64 11 32 33 62
2KA~8bit
RAM
V DD V SS
23 8
RAM Address
Generatorl
FSEQ 22
Syncrnous Detect
EFM Demodulation
Interpolalation Mute
Billingual
Digital Out
CLV+ 12
CLV13
V/P 14
PW 49
SBCK 51
SBSY 47
SFSY 50
CS 63
WRQ 53
SQOUT 55
CQCK 57
COIN 56
RWC 54
CLV
Digital Servo
Subcode Dxract
QCRC
µ
COM
Inter Fase
C1 C2 Error Detect &
Correct Control Flag
Digital Attenuator
Quadruple Over Sampling
Digital Filter
1bit DAC
Servo Commander
L.P.F
General Ports X'tal Root
Timing Generator
15 16 17 20 19 58
HFL TES TOFF JPJP+ RES
18
TGL
24 25 26 27 28
CONT1 CONT3
CONT2
CONT5
CONT4
29
EMPH
48
EFLG
60 61 46 52 45 44 43
16M 4.2M
FSX
XV SS
XIN XV DD
XOUT
39 41 42 40
RV DD
RV SS MUTER
RCHO
37
LCHO
35 38 36
MUTEL
LV SS
LV DD
- 13 -
30 C2F
31 DOUT
34 (NC)
IC BLOCK DIAGRAM & DESCRIPTION
IC601 LC867240A-5V46 (Micro Processor)
Pin No Pin Name
1 P06
2 P07
3 P10/S00
4 P11/SIO/SB0
5 P12/SCK0
6 P13/S01
7 P14/SII/SB1
30 S0/PA0
31 S1/PA1
32 S2/PA2
33 S3/PA3
34 S4/PA4
35 S5/PA5
36 S6/PA6
37 S7/PA7
38 S8/PA8
39 S9/PB1
40 S10/PB2
41 S11/PB3
42 S12/PB4
43 S13/PB5
44 S14/PB6
45 S15/PB7
46 S16/PC0
47 S17/PC1
48 S18/PC2
49 S19/PC3
50 S19/PC4
8 P15/SCK1
9 P16/BUZ
10 P17/PWM0
11 P70/INT0
12 RES/
13 XT1/P74
14 XT2/P75
15 VSS1
16 CF1
17 CF2
18 VDD1
19 P80/AN0
20 P81/AN1
21 P82/AN2
22 P83/AN3
23 P84/AN4
24 P85/AN5
25 P86/AN6
26 P87/AN7
27 P71/INT1
28 P72/INT2/TOIN
29 P73/INT2/TOIN
Symbol
AMBER_LED
DSP_RESET
COIN
SQOUT
CQCK
VD_GND
Sift
RWC
JOG+
JOG-
DRF
Reset
V s s
Vdd
Key1
Key2
Open SW
Close SW
LIMIT_SW
C2F
M-Media
WRQ
RDS_IN
IR
V CHK
G_REVS
G_FWD
PACK
TAPE_INI
REEL
Tape Play PL
Motor
BEAT
R Mute
OSC
SURROUND
I
I
O
I
I/O
O
O
O
I
O
O
O
Function
AMBER_LED Output
DSP Reset Signal
CD_DSPInterface(command+data Output)
CD_DSPInterface(SubQ dataInput)
CD_DSPInterface(Clock)
Processor Power Check (GND) Control
Output
Shift Control
Frequency for Micon Oscillatrion
CD_DSP Interface(Command ・ latch Output)
Jog Dial +
Jog Dial -
DRF Signal Input
Reset Switch
Sub Clock OSC
Sub Clock OSC
Gnd
Main Clock OSC
Main Clock OSC
Power Supply Terminal
O
O
O
O
I
I
I
I
I
I
I
I
A/D Key In
A/D Key In
I
I
Top Lid Open Sens. Switch
Top Lid Close Sens. Switch
Limit Switch
DSP C2F Input
Multi Media Input
CD DSP Interface ( SubQ Request )
Serial Data for RDS IC Input I
I
I
Remotecontrol Input
Power failure Detect/Processor Power
Check Input
Miss Recording SW(tapeAB side)Input
Miss Recording SW(tapeB side)Input
Tape Park Check Input
Tape Deck Initialize
Real Rotating signal Input I
O
O
O
Tape Play Plunger Output
Tape Motor Output
Beat Cancel Control
Tape Recording Mute O
O
O
O
Tape Oscillation ON/OFF Control
Surround Output
LCD Pin No5
LCD Pin No6 O
O
O
O
LCD Pin No7
LCD Pin No8
LCD Pin No9
LCD Pin No10
LCD Pin No11
LCD Pin No12
LCD Pin No13
Pin No Pin Name
51 S21/PC5
52 S22/PC6
53 S23/PC7
54 S24/PD0
55 S25/PD1
56 VDD2
57 VSS2
58 S26/PD2
59 S27/PD3
60 S28/PD4
61 S29/PD5
62 S30/PD6
63 S31/PD7
64 S32/PE0
65 S33PE1
66 S34/PE2
67 S35/PE3
68 S36/PE4
69 S37/PE5
70 S38/PE6
71 S39/PE7
72 S40/PF0
73 S41/PF1
74 S42/PF2
75 S43/PF3
76 S44/PF4
77 S45/PF5
78 S46/PF6
79 S47/PF7
80 V3/PL6
81 V2/PL5
82 V1/PL4
83 COM0/PL0
84 COM1/PL1
85 COM2/PL2
86 COM4/PL3
87 P30
88 P31
89 VSS3
90 VDD3
91 P32
92 P33
93 P34
94 P35
95 P00
96 P01
97 P02
98 P03
99 P04
100 P05
LCD COM1
LCD COM2
LCD COM3
LCD COM4
D CHK
TU_DUT
V s s
Vdd
VF_DO
VF_CE
TU_CE
TU_DI
LID_M+
LID_M-
P_CON
PRE_MUTE
MAIN_MUTE
BLUE_LED
Vdd
V s s
Symbol
LCD Pin No14
LCD Pin No15
LCD Pin No16
LCD Pin No17
LCD Pin No18
Vdd
Gnd
LCD Pin No19
LCD Pin No20
LCD Pin No21
LCD Pin No22
LCD Pin No23
LCD Pin No24
LCD Pin No25
LCD Pin No26
LCD Pin No27
LCD Pin No28
LCD Pin No29
LCD Pin No30
LCD Pin No31
LCD Pin No32
LCD Pin No33
LCD Pin No34
LCD Pin No35
LCD Pin No36
LCD Pin No37
LCD Pin No38
LCD Pin No39
LCD Pin No40
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I/O
O
O
O
Function
O
O
O
O
O
O
O
O
O
O
O
O
O
I
O
O
LCD COM 1 (LCD Panel Pin1)
LCD COM 2 (LCD Panel Pin2)
LCD COM 3 (LCD Panel Pin3)
LCD COM 4 (LCD Panel Pin4)
Serial Clock Output for Tuner/Volume FUNC IC
Serial Data Output for Tuner IC
Gnd
Power Supply Terminal
Serial Data Output for VOL_FUNC IC
Serial Data Output for VOL_FUNC IC
Serial Latch Output for TU IC
Serial Data Input for TU IC
Top Lid Motor Control Output +
Top Lid Motor Control Output -
Power Control
Pre Amp Mute Output
Power Amp Mute
Blue LED Output
IC241 LC72121M-D (Pll Synthesizer)
Vssx 2
XIN 1
XOUT 24
FMIN 17 1/2
AMIN 16
CE 3
DI 4
CL 5
DO 6
V
DD
18
Vssd 15
REFERENCE
DIVIDER
SWALLOW COUNTER
1/16, 1/17 4bits
12bits PROGRAMMABLE
DIVIDER
PHASE DETECTOR
CHARGE PUMP
UNLOCK
DETECTOR
19 PD
20 AIN
21 AOUT
22 Vssa
CCB
I / F
POWER
ON
RESET
DATA SHIFT REGISTER LATCH
7 8 9 10
BO1 BO2 BO3 BO4
11 14
IO1 IO2
- 14 -
UNIVERSAL
COUNTER
13 IFIN
LCD DISPLAY DESCRIPTION
LCD60
1
S1
T2
T1
1
COL
*1
S2
P
S3 S4
S5
S6
S7
SURR.
8
V7
T3
40
A
F
I
J
K
B
G H
V1
*1
E
L
M
N
C
D
4F
4A
4K
4B
3A
3K
3B
2K
2B
3F
1A
1K
1B
2F
2A
COM1
COM1
--
--
--
1F
17
18
19
20
14
15
16
11
12
13
6
7
8
9
10
PAD NO.
1
2
3
4
5
4E
4M
4N
4C
3M
3N
3C
2N
2C
3E
1M
1N
1C
2E
2M
COM3
--
--
COM3
--
1E
4G
4I
4J
4H
3I
3J
3H
2J
2H
3G
1I
1J
1H
2G
2I
COM2
--
COM2
--
--
1G
37
38
39
40
34
35
36
31
32
33
26
27
28
29
30
PAD NO.
21
22
23
24
25
S5
4L
4D
S6
3L
3D
S4
2D
S2
S3
COM4
--
--
--
COM4
OFF
1L
1D
REC
SLEEP
2L
T1
ST
*1
V4
8A
8K
8B
7K
7B
8F
6A
6K
6B
7F
7A
COM1
5F
5A
5K
5B
6F
8I
8J
8H
7J
7H
8G
T2
MONO
V1
V5
6I
6J
6H
7G
7I
COM2
5G
5I
5J
5H
6G
7D
REPEAT
MHz
8L
8D
KHz
S1
T3
V3
V7
COM4
S7
5L
5D
COL
P
6L
6D
RANDOM
SURR.
7L
ON
RDS
V2
V6
8M
8N
8C
7N
7C
8E
6M
6N
6C
7E
7M
COM3
5E
5M
5N
5C
6E
- 15 -
SCHEMATIC DIAGRAM (CD)
PRODUCT SAFETY NOTICE
Each precaution in this manual should b e f o l l o w e d d u r i n g s e r v i c i n g .
Components identified with the IEC symbol !!!
in the parts list and the schematic diagram designated components in which safety can be o f s p e c i a l s i g n i f i c a n c e . W h e n replacing a component identified by
!!!
, use only the replacement parts designated, or parts with the same ratings of resistance, wattage or voltage that are designated in the parts list in this manual. Leakagecurrent or resistance measurements must be made to determine that e x p o s e d p a r t s a r e a c c e p t a b l y insulated from the supply circuit before returning the product to the customer.
- 16 This is a basic schematic diagram.
- 17 -
SCHEMATIC DIAGRAM (FRONT)
This is a basic schematic diagram.
- 18 -
PRODUCT SAFETY NOTICE
Each precaution in this manual should be followed during servicing.
Components identified with the IEC symbol !!!
in the parts list and the schematic diagram designated components in which safety can be of special significance. When replacing a component identified by !!!
, use only the replacement parts designated, or parts with the same ratings of resistance, wattage or voltage that are designated in the parts list in this manual. Leakage-current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply circuit before returning the product to the customer.
- 19 -
SCHEMATIC DIAGRAM (AMPLIFIER)
This is a basic schematic diagram.
- 24 -
PRODUCT SAFETY NOTICE
Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol !!!
in the parts list and the schematic diagram designated components in which safety can be of special significance. When replacing a component identified by !!!
, use only the replacement parts designated, or parts with the same ratings of resistance, wattage or voltage that are designated in the parts list in this manual. Leakage-current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply circuit before returning the product to the customer.
- 25 -
SCHEMATIC DIAGRAM (TUNER)
This is a basic schematic diagram.
- 26 - 27 -
WIRING DIAGRAM
(PRIMARY+ SECONDARY POWER TRANSFORMER AND CD LID SWITCH)
POWER TRANSFORMER, PRIMARY P.W.BOARD
POWER TRANSFORMER, SECONDARY P.W.BOARD
CD LID SWTICH P.W.BOARD
- 28 -
VOLTAGE TABLE
IC101 LA9241M
PIN
VOL(V)
PIN
VOL(V)
PIN
VOL(V)
PIN
VOL(V)
1
2.51
19
2.52
37
0
55
0
2
2.51
20
2.52
38
4.98
56
4.99
3
2.54
21
2.52
39
0
57
2.53
4
2.54
22
0
40
0
58
2.53
5
2.52
23
2.52
41
1.62
59
0.97
6
2.52
24
2.52
42
2.44
60
0.98
7
2.52
25
2.52
43
2.46
61
2.23
8
2.52
26
2.52
44
2.55
62
4.35
9
2.52
27
2.52
45
0
63
0
10
2.52
28
2.52
46
2.54
64
5.01
11
2.52
29
2.02
47
2.52
12
2.52
30
2.28
48
0
13
2.52
31
2.28
49
0
14
2.52
32
0
50
2.32
15
2.52
33
0
51
4.71
16
2.52
34
4.98
52
4.71
17
2.52
35
4.98
53
0
UNIT:V
18
2.52
36
0
54
0
IC102 LC78622NE
PIN
VOL(V)
PIN
VOL(V)
PIN
VOL(V)
PIN
VOL(V)
1
0
19
0
37
2.03
55
0
2
0
20
0
38
0
56
4.71
3
0
21
2.46
39
0
57
4.63
4
0
22
0
40
2.04
58
4.75
5
1.53
23
4.97
41
4.98
59
0
6
4.97
24
4.86
42
4.94
60
2.01
7
0.1
25
0
43
4.96
61
2.22
8
0
26
0
44
2.15
62
0
9
2.54
27
0
45
2.11
63
0
10
2.44
28
0
46
0
64
0
11
0
29
0
47
0.12
12
0
30
4.89
48
2.27
13
0
31
2.49
49
0
14
4.95
32
0
50
2.48
15
0
33
0
51
0.1
16
0.06
34
0
52
2.48
17
4.96
35
4.96
53
0
UNIT:V
18
4.96
36
4.98
54
0
IC103 LA6541
PIN
VOL(V)
PIN
VOL(V)
1
8.63
19
3.93
2
4.81
20
3.93
3
2.51
21
2.53
4
2.52
22
2.53
5
3.88
23
2.53
6
3.9
24
8.63
7
3.91
8
3.91
9
2.53
10
2.53
11
5.02
12
8.02
13
4.99
14
4.83
15
2.52
16
2.53
17
3.89
UNIT:V
18
3.93
IC104 TA7291
PIN
VOL(V)
1
4.76
2
8.64
3
0.56
4
0
5
0
6
8.61
7
0.56
8
4.03
9
4.76
UNIT:V
IC231 LA1844ML
PIN
VOL(V)
PIN
VOL(V)
1
2.31
19
0
2
6.7
20
0.27
3
2.31
21
2.58
4
2.31
22
2.58
5
0
23
6.69
6
4.65
24
6.69
7
4.65
8
6.7
9
6.7
10
0
11
5.61
12
5.69
13
3.21
14
3.21
15
2.25
16
2.31
17
2.05
UNIT:V
18
2.53
IC241 LC72121M
PIN
VOL(V)
PIN
VOL(V)
1
1.52
19
0.9
2
0
20
0.9
3
0.22
21
1.43
4
0.14
22
0
5
0.17
23
0
6
4.65
24
1.52
7
0
8
11.6
9
5.38
10
0
11
0.61
12
0
13
0
14
4.65
15
0
16
0.07
17
1.49
UNIT:V
18
3.1
IC440 AN7348K
PIN
VOL(V)
PIN
VOL(V)
1
0
19
0.16
2
0
20
3.2
3
0.66
21
3.91
4
3.23
22
0.67
5
3.23
23
0
6
0.07
24
0
7
0
8
0
9
0
10
0
11
4.99
12
0
13
6.99
14
0
15
0
16
0
17
0
UNIT:V
18
0
IC441 LC75343M
PIN
VOL(V)
PIN
VOL(V)
1
0
19
3.41
2
0
20
3.41
3
0
21
3.41
4
3.41
22
3.41
5
3.41
23
3.41
6
3.41
24
3.41
7
3.41
25
3.41
8
3.41
26
3.41
9
3.41
27
3.41
10
3.41
28
3.41
11
3.41
29
3.41
12
3.41
30
3.41
13
3.41
31
3.41
14
3.41
32
3.41
15
3.41
33
3.41
16
3.41
34
3.41
17
3.41
35
6.83
UNIT:V
18
3.41
36
0
IC442 TDA7269
PIN
VOL(V)
1
0
2
17.3
3
35.1
4
17.3
5
30.7
IC443 BA7755A
PIN
VOL(V)
1
8.22
2
0
3
0
4
0
UNIT:V
5
0
6
0
7
17.3
8
17.3
9
17.3
10
17.3
11
17.3
UNIT:V
- 29 -
VOLTAGE TABLE
IC445 MM1453XF
PIN 1 2
VOL(V) 3.42
3.42
3
0
4
0
5
3.42
6
3.42
7
3.42
8
3.42
9
0
10
3.42
11
3.42
12 13
3.42
14
3.42
15
3.42
16
4.09
17
3.42
UNIT:V
18
7.38
IC446 NJM78L05
PIN
VOL(V)
1
17.3
2
0.58
UNIT:V
3
5.48
VOL(V)
PIN
VOL(V)
PIN
VOL(V)
PIN
VOL(V)
PIN
VOL(V)
IC601 LC867240A
PIN 1 2
VOL(V)
PIN
0
19
4.75
20
0
37
0
55
2.41
73
2.41
91
0
4.85
38
0
56
2.41
74
2.41
92
0
3
4.75
21
4.85
39
4.67
57
2.41
75
2.41
93
0
4
0
22
0
40
0
58
2.41
76
2.41
94
4.73
5
4.75
23
0
41
0
59
2.41
77
2.41
95
4.76
6
4.75
24
4.75
42
2.41
60
2.41
78
2.41
96
4.76
7
0
25
0
43
2.41
61
2.41
79
2.41
97
4.71
8
0
26
0
44
2.39
62
2.41
80
0
98
4.75
9
4.83
27
0
45
2.38
63
2.41
81
0
99
0
10
4.83
28
4.66
46
2.39
64
2.41
82
0.1
100
4.71
11
0
29
4.83
47
2.41
65
2.41
83
2.44
12
4.75
30
4.6
48
2.41
66
2.41
84
2.44
13
2.55
31
4.83
49
2.41
67
2.41
85
2.44
14
2.66
32
4.83
50
2.41
68
2.41
86
2.44
15
0
33
4.83
51
2.41
69
2.41
87
0
16
2.1
34
4.83
52
2.41
70
2.41
88
0
17
2.4
35
2.01
53
2.41
71
2.41
89
0
UNIT:V
18
0
36
0
54
2.41
72
2.41
90
4.75
TRANSOSTOR UNIT:V
Q4410 Q4501 Q4502 Q4600 Q4601 Q4602 Q4603 Q4700 Q4800 Q4950 Q4960 Q4961 Q4962 Q4963 Q4990 Q4991 Q4992 Q4993
E
C
B
5.46
5.45
4.81
0
0
4.67
4.02
3.08
4.68
8.7
0
8.67
0
0.68
0
0
0
0
0
0
0
0
0
2.23
0
0
4.73
11.9
11.3
11.6
12.6
0
12
12.6
0
12.1
0
12.3
0
0
12.1
0
12.5
17.6
13.1
8.69
17.6
9.33
9.35
9.33
8.67
13.6
13.6
12.9
E
C
B
E
C
B
Q4994 Q1301 Q1401 Q6101 Q6102 Q6103 Q6105 Q6106 Q6107 Q6108 Q2140 Q2152 Q2153 Q2154 Q2155 Q2156 Q2158 Q2201
0 4.97
8.64
0 4.52
4.52
0 0 4.76
0 0 0 0 0 0 0 10.3
0
0
4.67
1.53
4.33
5.04
8.04
4.76
0
3.88
11.8
4.46
3.88
7.18
0
0.12
4.71
4.6
4.74
0.66
0
0
0
0
0.79
0
0
0
0.78
0
0.78
0
0
0.16
0
8.44
0.67
Q2310 Q2451 Q2452 Q2453
0 10.7
10.7
10.7
6.69
0
10.6
0
0
10.6
11.6
5.96
- 30 -
WIRING CONNECTION
TAPE DECK
MECHANISM (10P)
AC IN
P.T SECONDARY
P.W.B
FU421
T4A L 250V
CN420
(3P)
P.T
CN411
BW
BL
CN412
P.T PRIMARY
P.W.B
AM LOOP ANT.
CN445
(10P)
CN201
CN400
(32P)
PHONES
CN455
TUNER & AMP P.W.B
CN440
(6P)
CN430
(3P)
CN450
CN458
CN457
(2P)
CN456
(2P)
FM ANT.
OPTICAL OUT
CN431
VIDEO(AUDIO) IN
SUB
WOOFER
L-CH
SPEAKER
BOX
CN441
(3P)
R-CH
SPEAKER
BOX LCD60
CN601
(32P)
FRONT P.W.B
CN114
(5P)
CN???
(3P)
CN113
(6P)
CD P.W.B
CN111
(15P)
CD LID SWITCH
P.W.B
M
CD LID
MOTOR
(15P)
Apr. / '01 / 1000 BB Printed in Japan
CD MECHANISM
(6P)
SANYO Technosound Co., Ltd.
Osaka, Japan
WIRING DIAGRAM (CD & FRONT)
CD P.W.BOARD
FRONT P.W.BOARD
- 20 - 21 -
WIRING DIAGRAM (TUNE & AMPLIFIER )
TUNER P.W.BOARD
AMPLIFIER P.W.BOARD
- 22 - 23 -

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Key features
- CD Player
- Cassette Deck
- Tuner
- Amplifier
- Speaker system
- Remote control
- System connection
- Laser beam safety precaution
- CD pick-up maintenance
- LED replacement