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Service Manual
Micro Component System
FILE NO.
DC-DA2000
(AU)
CD
TAPE
Contents
PRODUCT CODE No.
129 662 04
Laser beam safety precaution .......................................... 1
Tape adjustments ............................................................ 1
CD pick-up maintenance .................................................. 1
Tuner adjustments ........................................................... 2
Exploded view
(Cabinet & Chassis) ...................................................... 3
Parts list ........................................................................... 4
Exploded view & Parts list (Tape mechanism) ................. 7
IC block diagram & description ........................................ 8
LCD display description ................................................... 13
Schematic diagram
(FRONT) ....................................................................... 14
(CD) ............................................................................... 16
(AMPLIFIER) ................................................................. 20
(TUNER) ....................................................................... 22
Wiring diagram
(FRONT & CD) .............................................................. 18
(AMPLIFIER & TUNER) ................................................ 24
(POWER TRANSFORMER) ......................................... 26
(SWITCH) ...................................................................... 26
Wiring connection ............................................................ 27
This service manual consists of "DC-DA2000U/AU" (Main unit : 129 661 04) and
"SX-DA2000/UK" (Speaker system : 165 074 00).
REFERENCE No.
SM
5810417
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
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. Adjust so that the waveforms for the left and right channels are in alignment.
2. Tape Speed Adjustment
• Connect the Frequency Counter to TAPE OUT.
NORMAL
Fig.1
Fig.2
1.
Insert the test tape (MTT-111N, etc.; 3,000Hz) into the DECK.
2.
Press the PLAY button. .
MOTOR hole for adjustment
Fig.3
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
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.
- 1 -
TUNER ADJUSTMENTS
• Use a plastic screw driver for adjustments.
• MODE : TUNER
• Speaker impedance : 4 ohm
• TUNING
FM : 87.5 - 108MHz
AM : 522 - 1710kHz(9KHz step)
520 - 1710kHz(10KHz step)
TP14 TP13 TP15 XF233
C4560 J4119 J4412
J4423
J4424
J4428
IC446
C4993
J4623
E
C4994
D4993
J4617
J4618
J4619
J4620
J4621
J4425
J4426
J4624
TU_DI TU_CE
J4622
VOL_CE VOL_DO TU_DO D_CLK
J4625
R4400
R4401
CN400
J4427
J4122
SURROUND REC_OSC REC_MUTE BEAT_OUT
MOTOR PLUNGER REEL G_FWD G_RVES
J2125
J2126
J2127
C2453
C2461
C2464
J2511
J2500
J2501
Q2201
R2204 R2205
E
C2203
R2203 R2202
+9.0V
L_CH GND R_CH
C2301 XF233
R2304
T2002
J2600
C2306
R2712
R2812
C2321
C2302
J2503
XF222
J2601
C2901
C2457
C2305
C2327
R2701
12
13
IC231 1
24
C2303
C2307 C2317
C2312
C2311
C2323
J2119
C2313
J2506
J2602
J2122
R2801
C2328
J2603
J2604
R2452
J2605
J2606
C2452
J2509
R2454
J2510
C2314
L2451
R2458
R2455
R2459
R2460
C2451
R2303
J2123
J2507
J2508
C2454 24
1 IC241
13
12
D2452 J2124
E
+5.6V
D2451
T2002 L2103
L2104
XF221
C2112 C2113
C2101
R2109
R2105 C2110 R2107
J2105
R2108
D2102
J2106 C2111
L2103
IC211
R2102 C2107
1
R2103
C2104
D2101
J2108
R2101
C2103
J2110 L2102
J2113
VT
J2117
C2116
L2153
R2131
C2154
D2153
R2149
L2151
CT252
L2153
CN201
D2103
D2151
J2100
CN202
S2001
C2600
IC231 TP25 TP24 TP12 VT TP11 CT252 L2151
Antenna : 75 Ω unbalanced, Modulation : 1 KHz
Dev. : ± 22.5kHz(MONO), ± 22.5kHz(MAIN), ± 6.75kHz(PILOT)
RF Level : dBuV EMF, Output Level : about 30mV at TP13, TP14, TP15
1. FM
Step
Adjusting
Circuit
1
Connection
IF(0V)
Adjustment
Input
FM Antenna SG=66dBuV/EMF
Output
Alignment voltage IC231
3-22pin(TP24,25) is 0.0±0.05V
SG
Frequency
98MHz
Adjustment
XF233
Remark
Alignment voltage IC231
3-22pin is 0.0±0.05V
2
Cover
Voltage
---
Connect Digital DC voltmeter to
TP11(H), TP12(E).
87.5MHz
108.0MHz
L2103
---
1.00±0.05V
5.30±0.50V Check Only
2. AM
Step
Adjusting
Circuit
1
IF
Adjustment
2
Cover
Voltage
3 Tracking
Input
Loop Ant
---
---
Loop Ant
Anntena : IRE Loop(SG), Moduration : 1kHz, 30%
RF Level : dBuV EMF, Output Level : about 30mV at TP13, TP14, TP15
Connection
Connect to VTVM
Output point TP13(L) or TP14(R) and TP15(E).
SG
Frequency
450KHz at 999kHz
Adjustment
T2002
Remark
Maximum
Connect Digital DC voltmeter to
TP11(H )and TP12(E).
Connect to VTVM point TP13(L) or TP14(R) and TP15(E).
522kHz
1710kHz
603kHz
1404kHz
L2153
---
L2151
CT252
1.00±0.05V
7.50±0.50V Check Only
Maximum
- 2 -
EXPLODED VIEW (CABINET & CHASSIS)
- 3 -
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 AND
PERFORMANCE 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.
N.S.P :
Regular type resistors are less than 1/4 W carbon type and 0 ohm chip resistors.
Regular type capacitors are less than 50 V and less than 1000 µ F type of Ceramic type and Electrical type.
Not available as service parts.
PACKING & ACCESSORIES
REF.NO. PART NO. DESCRIPTION
5
6 or
3
4
1
2
7
8
9
614 326 2077 CARTON CASE
614 319 7430 CUSHION,REAR
614 319 7447 CUSHION,FRONT
614 326 2190 INSTRUCTION MANUAL
645 047 0509 POLY SHEET-0900X0300*NC
645 005 1227 ASSY,ANTENA,LOOP
645 046 8322 ASSY,ANTENA,LOOP
614 318 9404 LID,BATTERY,SERVICE
645 057 4696 REMOCON,RB-DA2000
614 325 7868 ASSY,BOX,SPEAKER(L,R)
CABINET & CHASSIS
REF.NO. PART NO. DESCRIPTION
1 614 325 7981 COVER,DECK
22
23
24
25
18
19
20
21
26
27
28
29
14
15
16
17
10
11
12
13
8
9
6
7
4
5
2
3
614 326 3043 DEC,WINDOW,DECK
614 320 3520 SPRING,WIRE,DOOR DECK
614 319 7096 LID,CASSETTE
614 323 2230 PANEL
614 325 7967 ASSY,PANEL,FRONT
614 319 7072 KNOB,VOLUME
614 326 3050 DEC,WINDOW,LCD
614 309 7969 ASSY,GEAR,LID,CASSETTE
614 303 1277 LATCH,CAM,DECK,DOOR,LOCKING
614 323 2162 BUTTON,OPERATION,11 KEYS
614 319 6945 BUTTON,RIGHT,4 KEYS
614 325 7974 BUTTON,POWER
614 325 8025 REFLECTOR,STANDBY,LED
614 310 3899 SPACER,MECHA,MTG CD+DA11
614 307 2072 COVER,PICK-UP
614 319 7119 MOUNTING,CD
614 322 2125 ASSY,GEAR,LID CD
614 303 0263 LATCH,PUSH,CD DOOR LOCKING
614 319 7201 SPRING,WIRE,DOOR CD
614 307 8821 PULLEY
614 303 0256 LATCH,MAGNET
614 319 7102 LID,CD
614 325 8230 DEC,WINDOW,CD
614 304 5700 HOLDER,MAIN PCB
614 319 8741 BUTTON,POWER
614 316 1172 STOPPER
614 326 1667 ASSY,CABINET,REAR
614 325 6014 ASSY,MECHA,DA11T3CN-SASH
FIXING PARTS
REF.NO. PART NO. DESCRIPTION
Y01
Y02
Y03
Y04
Y05
Y06
Y07
Y08
Y09
Y10
Y11
Y12
Y13
Y14
Y15
Y16
Y17
Y18
Y19
411 156 2105 SCR S-TPG BIN 2.3X6,
PANEL+PANEL FRONT
411 021 3503 SCR S-TPG BIN 3X10,
F-PANEL+LATCH,CAM
411 021 3503 SCR S-TPG BIN 3X10,
F-PANEL+DECK MECHA
614 129 9136 LUG,LEAD FIX
411 020 8905 SCR S-TPG BRZ+FLG 3X10,
F-PANEL+ASSY.GEAR,DECK
411 021 3503 SCR S-TPG BIN 3X10,
SWITCH,PWB+MTG CD
411 021 1806 SCR S-TPG BIN 2.6X10,
MTG CD+DA11
411 092 0906 WASHER Z 2.6X10X0.5,
MTG CD+DA11
411 020 8905 SCR S-TPG BRZ+FLG 3X10,
F-PANEL+ASSY.GEAR,CD
411 021 4906 SCR S-TPG BIN 3X20,
F-PANEL+MOUNTING,CD
411 021 3503 SCR S-TPG BIN 3X10,
MAIN PCB+MTG CD
411 184 0906 SCR S-TPG BIN 2.3X10,
LID CD+DEC WINDOW CD
412 032 6408 SPECIAL SCREW,REAR+P-TRANS
411 021 6405 SCR S-TPG BIN 3X8,
REAR+SW1 PCB,
REAR+HOLDER
411 021 3503 SCR S-TPG BIN 3X10,
REAR+STOPPER
411 098 7800 SCR S-TPG FLT 3X12,
REAR+MTG(L/R)
411 021 4906 SCR S-TPG BIN 3X20,
REAR+PANEL,FRONT
411 021 3503 SCR S-TPG BIN 3X10,
REAR+ANT TERMINAL,
REAR+AUDIO TERMINAL
411 021 3503 SCR S-TPG BIN 3X10,
REAR+MTG CD
54
55
56
57
58
ELECTRICAL PARTS
REF.NO. PART NO. DESCRIPTION
51 614 322 2279 ASSY,WIRE,AMP-TAPE MECHA
52 or
53 or
614 326 3760 FLEXIBLE FLAT CABLE,
FRONT-AMP
614 327 0874 FLEXIBLE FLAT CABLE,
FRONT-AMP
614 326 2794 FLEXIBLE FLAT CABLE,
CD-CD MECHA
614 327 0836 FLEXIBLE FLAT CABLE,
CD-CD MECHA
614 316 8041 ASSY,WIRE,CD-CD MECHA
614 274 2013 CORD,ID CONNECTOR,FM ANT
423 016 7908 FUSE 250V 2.5A
645 051 8744 TRANS,POWER
645 032 1887 CORD,POWER-2.0MK
- 4 -
PARTS LIST
S6212 or or
S6213 or or
S6214 or or
S6215 or or or
S6115 or or
S6116 or or
S6117 or or
S6210 or or
S6211 or or or
S6001
S6110 or or
S6111 or or
S6112 or or
S6113 or or
S6114 or
IC601
L6010
LCD60
Q6107 or or or
Q6108 or or or or
Q6301 or
Q6302
FRONT P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
71
AC601
AH601
AS601
CN601 or
D6010
D6110
D6111
D6112
D6113
D6301
614 325 7219 ASSY,PWB,FRONT (Only Initial)
614 320 3469 COVER,LED
614 320 3483 HOLDER,LCD
614 314 9286 DEC,SHEET,LCD
645 009 8482 SOCKET,FFC 28P
645 012 5324 SOCKET,FPC 28P
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 225 7300 LED LT03B3-43-URE1
407 012 4406 DIODE 1SS133
408 049 3905 LED SLP-9G118C-51HS-T1,
STAND-BY-LED
410 469 0709 IC LC867232A-51D2
645 001 5441 INDUCTOR,2.2U K
645 050 7397 LCD
405 019 3804 TR 2SC536-G-NP
405 019 2708 TR 2SC536-F-NP
405 141 3208 TR KTC3198-Y
405 141 3307 TR KTC3198-GR
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
405 146 1209 TR KRC104M
405 000 6104 TR DTC144ES
405 000 6104 TR DTC144ES
405 146 1209 TR KRC104M
645 054 1230 SWITCH,ROTARY(ENCODER)
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 SWITCH,TACT
614 240 1002 SWITCH,TACT
645 006 5958 SWITCH,PUSH 1P-1T
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 SWITCH,TACT
614 240 1002 SWITCH,TACT
614 220 5471 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
REF.NO. PART NO. DESCRIPTION
S6216 645 006 5958 SWITCH,PUSH 1P-1T or 614 240 1002 SWITCH,TACT or
S6217 or or
614 220 5471
645 006 5958
614 240 1002
614 220 5471
SWITCH,TACT
SWITCH,PUSH 1P-1T
SWITCH,TACT
SWITCH,TACT
SE601
X6102 or
407 217 1101 PHOTO DIODE SPS-442-1G
645 018 6103 OSC,CERAMIC 6.000MHZ
645 057 1138 OSC,CERAMIC 6.0MHZ
CD P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
72 614 325 7202 ASSY,PWB,CD (Only Initial)
CN111 645 059 0498 SOCKET,FPC 16P or or
CN113 or
D1402
D1403
D1404
D1405
D1410
D1482
IC101
IC102
IC103
L1451
PR140
Q1301 or or
Q1401 or or
X1451 or
645 026 2470 SOCKET,FFC 16P
645 033 8168 SOCKET,FPC 16P
614 310 2472 PLUG,6P
645 005 8127 PLUG,6P
407 099 5204 ZENER DIODE MTZJ5.1B
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
407 098 3300 DIODE RL153-BF-S2
407 012 4406 DIODE 1SS133
409 503 5701 IC LA9242M-MPB
409 539 9704 IC LC78629E
409 486 8706 IC MM1469XH
645 001 4550 INDUCTOR,10U K
645 014 2499 PROTECTOR,0.4A 125V
405 008 7301 TR 2SB810-F
405 008 7202 TR 2SB810-E
405 008 6809 TR 2SB808-F-SPA
405 009 5306 TR 2SB927-T
405 009 5207 TR 2SB927-S
405 141 3604 TR KTA1273-Y
614 231 2667 RESONATOR
645 057 1145 OSC,CERAMIC 16.93MHZ
AMPLIFIER & TUNER P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
73 614 326 8109 ASSY,PWB,AMP-TU (Only Initial)
C2457 403 259 0508 NP-ELECT 1U M 50V or
CN441 or
CN442
CN443
CN445 or
CT252
D2101
D2102
D2103
D2151
C4601
C4605
C4606
C4607
C4608
C4734
C4834
C4913
CN201
CN202 or
CN400 or
CN401
CN402
CN440
403 057 3503 POLYESTER 0.1U K 50V
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
403 058 4608 POLYESTER 0.15U J 50V
403 058 4608 POLYESTER 0.15U J 50V
403 329 5907 ELECT 3300U M 25V
614 221 8273 TERMINAL
645 038 7715 TERMINAL
645 025 4703 TERMINAL,ANTENNA
645 009 8482 SOCKET,FFC 28P
645 012 5324 SOCKET,FPC 28P
645 006 1875 PLUG,2P,SPEAKER
645 006 1875 PLUG,2P,SPEAKER
614 310 2472 PLUG,6P
645 005 8127 PLUG,6P
614 310 2731 PLUG,2P,POWER
645 004 2881 PLUG,2P,POWER
614 276 6835 SOCKET,JACK
645 011 6384 JACK,PHONE D3.6,HEADPHONE
614 310 2519 PLUG,10P
645 005 8158 PLUG,10P
645 032 5663 TRIMMER,7PF
407 157 8109 VARACTOR DI SVC211-B
407 157 8109 VARACTOR DI SVC211-B
407 012 4406 DIODE 1SS133
407 012 4406 DIODE 1SS133
- 5 -
PARTS LIST
or
Q4410 or or or
Q4600
Q4601 or
Q4602 or or or
Q4603 or or or
L4601
L4602
L4603
L4604
L4781
L4782
L4881
L4882
L4981
PR495
PR496
Q2201 or
Q2451 or or
Q4700 or
Q4701 or
Q4751 or or or or
Q4800 or
L2102
L2103
L2104
L2151
L2153
L2451 or
L4600
IC211
IC231
IC241
IC440
IC441
IC442
IC443
IC446
REF.NO. PART NO. DESCRIPTION
D2153 407 105 1602 VARACTOR DI SVC342M-V or 407 105 1305 VARACTOR DI SVC342L-V
D2451
D2452
D2453
D2456
407 012 4406
407 153 7502
407 012 4406
407 012 4406
DIODE 1SS133
ZENER DIODE GZS3.0B
DIODE 1SS133
DIODE 1SS133
D2466
D4951
D4953
D4954
D4960
D4961
D4993
HS401
407 012 4406
407 099 6102
407 012 4406
407 012 4406
407 012 4406
407 012 4406
407 012 4406
614 319 7065
DIODE 1SS133
ZENER DIODE MTZJ10B
DIODE 1SS133
DIODE 1SS133
DIODE 1SS133
DIODE 1SS133
DIODE 1SS133
HEAT SINK
409 016 0200
409 474 3201
409 439 4502
409 451 7406
409 474 6103
409 295 7402
409 189 3404
409 039 9204
645 040 2753
645 040 2746
645 002 1534
645 037 2377
645 040 2739
645 031 7842
645 001 4581
645 006 1523
IC LA1186N-AUDIO
IC LA1844ML
IC LC72121M-D
IC AN7348K
IC LC75342M
IC TA8229K
IC BA7755A
IC NJM78L05A
INDUCTOR,AIR —
COIL,AIR —
INDUCTOR,8.2U K
TRANS,ANT,796KHZ
TRANS,OSC,796KHZ
INDUCTOR,100U K
INDUCTOR,100U K
INDUCTOR,470U J
645 006 1523
645 037 2858
645 006 1523
645 037 2858
645 002 1459
645 002 1459
645 002 1459
645 002 1459
645 002 1459
645 042 2621
645 042 2621
405 151 4301
405 151 4806
405 036 3702
405 151 5209
405 000 0904
405 078 2404
405 141 3406
405 141 3505
405 004 4502
405 004 5004
405 155 0002
405 000 3806
405 143 0007
405 019 3804
405 019 2708
405 141 3307
405 141 3208
405 019 2708
405 019 3804
405 141 3208
405 141 3307
INDUCTOR,470U J
CORE,PIPE
INDUCTOR,470U J
CORE,PIPE
INDUCTOR,22U K
INDUCTOR,22U K
INDUCTOR,22U K
INDUCTOR,22U K
INDUCTOR,22U K
PROTECTOR,1.5A 125V
PROTECTOR,1.5A 125V
TR KTC3195-Y
TR KTC3195-O
TR 2SA1564
TR KRA107M
TR DTA114YS
TR BN1A4P
TR KTA1266-GR
TR KTA1266-Y
TR 2SA608-F-NP
TR 2SA608-G-NP
TR MPSA56
TR DTC114YS
TR KRC107M
TR 2SC536-G-NP
TR 2SC536-F-NP
TR KTC3198-GR
TR KTC3198-Y
TR 2SC536-F-NP
TR 2SC536-G-NP
TR KTC3198-Y
TR KTC3198-GR
405 000 3806 TR DTC114YS
405 143 0007 TR KRC107M
405 000 3806 TR DTC114YS
405 143 0007 TR KRC107M
405 151 4400 TR KTD1303
405 021 0204 TR 2SD1012-F-SPA
405 021 0600 TR 2SD1012-G-SPA
405 033 6706 TR 2SD1468S-R
405 033 6805
405 000 3806
405 143 0007
TR 2SD1468S-S
TR DTC114YS
TR KRC107M
R4940
S2001
SA401
SA402
T2002 or
X2451
XF211 or or
XF221 or or
XF222 or or
XF231 or
XF233 or or or or
Q4960
Q4961
Q4962 or
Q4963 or
Q4992 or or
Q4993 or
Q4995 or or
REF.NO. PART NO. DESCRIPTION
Q4801 or
405 000 3806
405 143 0007
TR DTC114YS
TR KRC107M
Q4851 or or or
405 033 6706
405 033 6805
405 021 0600
405 021 0204
TR 2SD1468S-R
TR 2SD1468S-S
TR 2SD1012-G-SPA
TR 2SD1012-F-SPA or
Q4930 or or or
Q4931 or
Q4951
405 151 4400
405 141 3307
405 141 3208
405 019 2708
405 019 3804
405 000 0508
405 110 5400
405 138 6403
TR KTD1303
TR KTC3198-GR
TR KTC3198-Y
TR 2SC536-F-NP
TR 2SC536-G-NP
TR DTA114ES
TR KRA102M-A
TR KTD2058Y
405 095 1602
405 095 1701
405 155 0002
405 155 0002
405 000 3806
405 143 0007
405 000 3806
405 143 0007
405 141 3703
405 008 2405
405 008 2504
405 000 3806
405 143 0007
405 141 3703
405 008 2405
405 008 2504
TR 2SD2061-E
TR 2SD2061-F
TR MPSA56
TR MPSA56
TR DTC114YS
TR KRC107M
TR DTC114YS
TR KRC107M
TR KTA1271-Y
TR 2SB698-F
TR 2SB698-G
TR DTC114YS
TR KRC107M
TR KTA1271-Y
TR 2SB698-F
TR 2SB698-G
402 081 0205 FUSIBLE RES 27 JA 1/4W
645 023 5795 SWITCH,LEVER
411 021 6405 SCR S-TPG BIN 3X8
411 021 6405 SCR S-TPG BIN 3X8
645 046 2023 FILTER,450KHZ
645 060 4072 FILTER,450KHZ
645 023 4965 OSC,CRYSTAL 7.2MHZ
645 059 0047 FILTER,BP
645 026 2975 FILTER,BP 108MHZ
614 252 1045 FILTER,LC
645 054 1223 CERAMIC FILTER 10.70MHZ
645 010 7665 CERAMIC FILTER 10.70MHZ
614 240 2917 FILTER,CERAM
645 054 1223 CERAMIC FILTER 10.70MHZ
645 010 7665 CERAMIC FILTER 10.70MHZ
614 240 2917 FILTER,CERAM
645 059 0054 CERAMIC FILTER 450KHZ
645 041 9324 CERAMIC FILTER 450KHZ
645 040 9981 TRANS,IF 10.7MHZ
645 039 9923 TRANS,IF 10.7MHZ
645 060 4089 TRANS,IF 10.7MHZ
POWER TRANSFORMER P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
74
CN215 or
CN216 or
CN420
CN421
CN422
CN423
D4280
D4281
D4282
D4283
L4291 or
614 325 7196 ASSY,PWB,DG (Only Initial)
645 006 4760 HOLDER,FUSE
645 031 7903 HOLDER,FUSE
645 006 4760 HOLDER,FUSE
645 031 7903 HOLDER,FUSE
614 020 1215 SOCKET,2P
614 322 2262 ASSY,WIRE,PT-AMPWIRE
614 017 8203 TERMINAL BOARD
614 017 8203 TERMINAL BOARD
407 098 3300 DIODE RL153-BF-S2
407 098 3300 DIODE RL153-BF-S2
407 098 3300 DIODE RL153-BF-S2
407 098 3300 DIODE RL153-BF-S2
645 038 6053 INDUCTOR,181U
645 041 3087 INDUCTOR,180U
- 6 -
PARTS LIST
SWITCH P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
75
CN410 or
CN411
CN412
S4100
614 328 0446 ASSY,SWITCH (Only Initial)
614 310 2731 PLUG,2P
645 004 2881 PLUG,2P
614 020 1215 SOCKET,2P
614 322 2262 ASSY,WIRE
645 052 2772 SWITCH,PUSH 2P-2TX2
EXPLODED VIEW & PARTS LIST (TAPE MECHANISM)
TM01
TM02
*
TAPE MECHANISM
REF.NO. PART NO. DESCRIPTION
TM01
TM02
TM03
TM04
TM05
TM06
614 320 4213 ASSY,MECHA,TM-DA280TN-SH
645 052 2888 RP HEAD C-9142-BD-1025
645 010 9447 PINCH ROLLER(F) ASSY
645 045 1959 RF BELT
645 052 4158 MAIN BELT
645 045 2048 DETECT SWITCH MXS01190
645 052 2864 ASSY,MOTOR
* N.S.P : Not supplied as service parts.
TM03
TM04
TM05
*
TM06
*
*
*
*
*
- 7 -
IC BLOCK DIAGRAM & DESCRIPTION
IC101 LA9242M-MPB (Servo Signal Processor)
Vcc1
64
LDS
63
LDD
62
BH1 PH1
61 60
APC
RF DET
FIN2 1
LF2
59
VR REF1 Vcc2
58 57 56
FSS DRF CE DAT CL CLK
55 54 53 52 51 50
DEF
49
REF
48 NC
FIN1 2
E 3
F 4
TB 5
I/V
BAL
VCA
VCA
INTER FACE
SLC
47 TBC
46 FSC
45 DGND
44 SLI
43 SLC
42 RFS-
RF Amp
TE
TE6
TE 7
TESI
8
SCH 9
TH 10
TA 11
TD12
T.SERVO & T.LOGIC
SPINDLE SERVO
41 RFSM
40 CV+
39 CV-
38 SLOF
37 HFL
36 TES
35 TOFF
34 TGL
33 JP+
TD 13
JP 14
F.SERVO & F.LOGICK
SLED SERVO
TO 15
FD 16
17 18
FDFA
19
FA-
20 21 22 23
FE FEAGND SP
24
SPI
25 26
SPG SP-
27
SPD
28
SLEQ
29
SLD
30 31
SLSL+
32
JP-
IC446 NJM78L05A (Stabilized Power Supply) IC442 TA8229K (Power Amplifier)
VCC2
8
VCC1
4
6 B.S.1
IN-1 11
NF1 10
-
+
Ch-1 5 OUT-1
RIPPLE
MINAL
9
IN-2
12
NF2 13
BIAS CIRCUIT
THERMAL CUT-OFF
PROTECTION
-
+
Ch-2
14 15
PRE
GND1
PRE
GND2
7
POWER
GND
3 OUT-2
2 B.S.2
R13
Q10
Q6
R14
Q15
Q11 R5 Q8
R15
Q9
R16
R17
Q1
R1 R2
Q2
R3
Q3
R4
Q4
Q7
R8
3 V
I
Q5
Q13
R9
Q12
R11
R12
Q14
R10
1 Vo
R6
R7
2 GND
- 8 -
IC BLOCK DIAGRAM & DESCRIPTION
IC103 MM1469XH (CD Driver)
28 27
D.BUF
26
D.BUF
25 24 23 22
Vcc
21
Vcc
20 19
D.BUF
18 17
D.BUF
16 15
DRIVER MUTE
T.S.D
1
D.BUF
2
D.BUF
3 4 5
IC211 LA1186N-AUDIO (FM Front End)
6 7
Vref
RF MIX
8 9 10
D.BUF
11
D.BUF
12 13 14
REG
BUFFER
OSC
1
RF IN
2
IC231 LA1844ML ( Tuner System)
24 23 22 21
3
20
4
19
5 6
GND IF OUT
18 17
7
16
8
15
9
Vcc
14
ALC
BUFF
AM
OSC
AM
MIX
AM
RF.AMP
AGC
DECODER
ANTI-BIRDIE
PILOT
CANCEL
13
P-DET
AM
IF
AM
DET
STEREO
SW
LEVEL
DET
FM
IF
S-CURVE
AM/FM
IF
BUFF
FM
DET
REG
COMP
TUNING
DRIVE
GND
VCO
304kHz
FF
38k
FF
19k 2
FF
19k
PILOT
DET
1 2 3 4 5 6
- 9 -
7 8
VCC
9 10 11 12
IC BLOCK DIAGRAM & DESCRIPTION
IC241 LC72121M-D (Pll Synthesizer)
Vssx 2
XIN 1
XOUT 24
REFERENCE
DIVIDER
FMIN 17 1/2
SWALLOW COUNTER
1/16, 1/17 4bits
12bits PROGRAMMABLE
DIVIDER
AMIN 16
CE 3
DI 4
CL 5
DO 6
V
DD
18
Vssd 15
CCB
I / F
POWER
ON
RESET
DATA SHIFT REGISTER LATCH
7 8 9 10
BO1 BO2 BO3 BO4
11 14
IO1 IO2
IC440 AN7348K ( Play/Rec Pre Amp)
PHASE DETECTOR
CHARGE PUMP
UNLOCK
DETECTOR
UNIVERSAL
COUNTER
19 PD
20 AIN
21 AOUT
22 Vssa
13 IFIN
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 4 5
- 10 -
IC BLOCK DIAGRAM & DESCRIPTION
IC441 LC75342M (Erectric Volume / 2 band equalizer)
LSELO LIN LTRE
10 9 8
LBASS1 LBASS2
7 6
LOUT
5
L4 11
L3 12
L2 13
L1 14
NC 15
NC 16
R1 17
R2 18
R3 19
R4 20
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
LVref
CCB
INTERFACE
RVref
21 22 23
RSELO RIN RTRE
IC601 LC867232A-51D2 (Micro Processor)
Interrrupt control
Standby control
CF
RC
X'tal
Base timer
SIO0
SIO1
Timer 0
Timer 1
Real time service
ROM 128 byte
LCD display controller
S0 to S7 (PA)
S8 to S13 (PB)
S16 to S23 (PC)
S24 to S31 (PD)
S32 to S39 (PE)
S40 to S47 (PF)
COM0 to COM(PL)
24 25
RBASS1 RBASS2
Bus interface
Port 1
Port 7
Port 8
Port 3
ADC
INT0 to3
Noise rejection filter
PC
ACC
B resister
C resister
ALU
26
ROUT
4 TEST
3 V
SS
2 CE
1 DI
30 CL
29 V DD
28 Vref
27 NC
IR PLA
ROM
PSW
RAR
RAM
Stack pointer
Port 0
Watch dog timer
- 11 -
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