Sony TC-S90D Service Manual ▷ View online
TC-S90D
13
13
• Waveforms
– MAIN Board –
– MAIN Board –
1
T301 4 (DECK-B REC mode)
2
Q302, 303 (collector) (REC mode)
3
NO312 6 (L-REC), 3 (R-REC)
(DECK-B REC mode)
120 Vp-p
13
µ
s
10 Vp-p
13
µ
s
52 Vp-p
13
µ
s
• IC Block Diagram
– MAIN Board –
– MAIN Board –
IC302
µPC1330HA
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1 CONT
GND
VCC
SW P2 GND
SW R2
• Circuit Boards Location
LEAF SW board
HEAD (A) board
HEAD (B) board
TC-SUB PANEL-A board
TC-SUB PANEL-B board
TC-PANEL-A DECK board
TC-PANEL-B DECK board
MAIN board
TC-S90D
14
14
7-2.
SCHEMATIC DIAGRAM – MAIN Section (1/2) –
(Page 18)
(Page 15)
IC302
IC303(2/2)
IC303(1/2)
IC304(2/2)
IC304(1/2)
TC-S90D
15
15
7-3.
SCHEMATIC DIAGRAM – MAIN Section (2/2) –
• See page 19, 20 for PIN FUNCTION.
(Page 14)
IC301
IC310
IC311
IC320
IC321
(Page 17)
TC-S90D
16
16
7-4.
PRINTED WIRING BOARDS – MAIN Section –
• See page 13 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D306
H-2
D307
I-6
D308
H-2
D309
H-5
IC301
F-3
IC302
B-4
IC303
C-1
IC304
B-3
IC310
F-6
IC311
E-6
IC320
H-3
IC321
H-4
Q301
B-6
Q302
B-6
Q303
B-6
Q304
B-5
Q305
C-5
Q310
C-6
Q391
C-5
Q392
D-5
Q393
D-5
Q394
D-5
Q395
E-4
Q396
D-4
Q400
H-5
R422
R415
C345
R324
JW305
JW307
JW306
JW308
JW321
JW388
R341
C347
CN314
CN308
JW310
RV302
C380
C377
C330
C327
R340
R405
R404
R339
R378
R338
R336
JW313
JW
349
R408
JW383
C346
R418
JW323
JW318
JW374
JW312
JW326
C384
C367
D309
D308
C342
C336
R345
JW382
C341
JW353
R369
R368
JW311
C383
C382
C349
R386
R321
JW354
L351
RV304
R349
R348
IC303
IC304
R347
C397
D307
R325
Q303
Q302
Q301
R367
R360
JW
350
R361
C394
Q391
R417
R328
JW380
Q396
JW379
JW360
Q395
Q392
Q394
Q393
R310
R309
C358
C311
C357
C368
C356
C355
R307
R306
R414
R304
C376
JW335
C304
C352
C309
R420
C312
R364
C340
C339
C338
C337
C335
C379
C329
JW319
R407
C354
C353
C302
JW351
JW331
JW369
R362
R359
R357
R358
R356
R355
JW316
R334
C378
JW304
R335
R375
R376
R344
C363
R351
JW
363
JW
359
R350
JW301
RV303
Q305
R303
C351
C317
C370
C369
C320
C319
JW320
JW309
C343
C301
R300
R301
JW338
JW
341
C359
C318
C308
C307
C306
C305
R317
R318
R319
R323
R327
JW377
JW332
R423
R346
R311
R322
JW
348
R314
C313
JW
358
C316
C315
C314
R412
C399
JW
362
R308
JW337
C310
EPT300
R409
C414
C390
C388
C415
C391
C389
R416
JW324
JW336
JW322
IC302
JW325
C398
R363
JW302
R406
JW352
R315
CN309
CN310
CN311
JW
364
R413
IC320
IC321
JW371
R305
C322
JW378
JW
345
JW339
JW373
C303
JW368
R419
RV354
JW333
RV351
C372
Q304
JW314
T301
1
6
2
5
3
4
JW381
R421
C360
C362
R342
C333
R343
Q310
JW
342
R377
C350
D306
R403
R402
C326
C374
C324
C386
C385
Q400
C321
R371
R332
R331
R330
R373
R372
R370
C371
R337
L301
C373
C323
R333
JW
346
C328
JW303
C332
JW376
JW
365
JW329
C334
JW
343
JW328
JW372
C396
C344
JW370
JW355
JW
361
JW
366
JW
344
JW340
JW330
JW367
JW375
JW327
JW334
R313
JW
347
R302
JW
357
JW356
RV301
R316
C395
JW385
C417
EPT302
NO313
NO312
C418
JW386
C348
L303
L302
R379
IC311
IC301
IC310
R354
JW317
MAIN BOARD
4
1
1
3
5
8
4
1
5
8
42
43
15
14
1
56
28
29
1
9
8
1
B
TC-PANEL-B DECK BOARD
NO304
(Page 18)
E
E
E
E
E
E
E
E
E
E
E
E
7
(CHASSIS)
5
1
4
2
(CHASSIS)
SYSTEM CONTROL 4
FROM
ST-S90D
1
3
1
3
E
1-680-718-
1
1
10
5
SYSTEM CONTROL 5
FROM
DVP-S90D
A
LEAF SW BOARD
CN1001
(Page 17)
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
HEAD (A) BOARD
HEAD (B) BOARD
11
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
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