Read Sony HT-K250 / SA-WMSP250 Service Manual online
11
11
SA-WMSP250
2-5. SCHEMATIC DIAGRAM — DIGITAL AMP SECTION (2/2) —
• See page 18 for IC Block Diagrams.
IC300
C301
C389
FB305
FB314
FB315
FB300
C432
IC306
IC307
C335
IC309
IC311
D323
D324
D325
D326
D316
D315
D314
D313
D353
D363
D364
D354
D365
D355
D366
D356
C426
C425
Q401
Q411
R411
R401
Q402
Q412
R412
R402
Q403
Q413
R413
R403
Q404
Q414
R414
R404
Q405
Q415
R415
R405
Q406
Q416
R416
R406
R408
R407
TP302
TP303
R325
R417
R418
R419
R420
R421
R422
C377
C378
C379
C387
C394
C398
C399
R302
R347
C352
C348
C360
R334
R338
R339
R340
R344
R342
R341
R345
R315
R316
R317
R318
R319
C357
R346
C386
C385
C354
C365
C363
C375
C384
C374
C382
C396
C330
C324
C338
C369
C347
C339
R343
R350
R349
R321
R330
Q328
D333
D334
D335
D336
D343
D344
D345
D346
L403
L409
L404
L410
L405
L411
L406
L412
C349
C373
C361
X301
C388
C321
C320
C362
C364
C353
C376
C381
C383
C323
C322
C407
C408
C397
C395
C409
C410
C370
C325
C329
C346
C340
C350
C368
C412
C413
C405
C406
C337
IC308
R335
C355
IC318
C393
C308
R370
L302
C302
C307
R322
C392
C336
CNS301
CNP401
D401
D402
C427
C428
D403
C429
D404
C430
C431
D405
D406
C433
C434
FB302
R333
R348
C371
C356
MC74VHC1GU04DF
100
10V
10V
100
10V
10V
0UH
0UH
0UH
0UH
10p
CXD9750L
CXD9750L
470
10V
10V
CXD9750L
CXD9750L
LI116
LI116
LI116
LI116
LI116
LI116
LI116
LI116
SFPL-62V
SFPL-62V
SFPL-62V
SFPL-62V
SFPL-62V
SFPL-62V
SFPL-62V
SFPL-62V
0.1
0.1
2SA1162
2SA1162
220k
220k
2SA1162
2SA1162
220k
220k
2SA1162
2SA1162
220k
220k
2SA1162
2SA1162
220k
220k
2SA1162
2SA1162
220k
220k
2SA1162
2SA1162
220k
220k
220k
1k
22
100k
100k
100k
100k
100k
100k
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1M
10k
0.1
0.1
0.1
1k
1k
100
100
100
100
100
1k
100
100
100
100
100
0.01
100
470p
470p
0.022
0.1
0.1
0.022
0.1
0.1
B
0.1
0.022
0.1
0.1
0.1
0.022
0.1
0.1
33
33
33
33
33
2SC2712
P6SM
B36AT3
P6SM
B36AT3
P6SM
B36AT3
P6SM
B36AT3
P6SMB36AT3
P6SMB36AT3
P6SMB36AT3
P6SM
B36AT3
0.1
0.1
0.1
49.152
0.1
470
10V
10V
0.1
470
10V
10V
100
35V
35V
0.1
0.022
470
10V
10V
100
35V
35V
470
10V
10V
0.1
1
1
0.022
0.1
1
1
0.022
100
35V
35V
470
10V
10V
470
10V
10V
100
35V
35V
470
10V
10V
0.1
1
1
1
1
100
10V
10V
CXD9743N
33
0.1
CXD9743N
0.1
1000p
680
0.01
5p
100
100
10V
10V
100
10V
10V
21P
2P
1SS355
1SS355
4.7
4.7
1SS355
4.7
1SS355
10
4.7
1SS355
1SS355
4.7
0.1
0UH
33
33
0.1
0.022
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