Sony HT-K250 / SA-WMSP250 Service Manual ▷ View online
9
9
SA-WMSP250
2-3. PRINTED WIRING BOARDS — DIGITAL AMP SECTION (SIDE B) —
IC311
IC309
IC307
IC306
IC304
IC301
IC112
D302
C369
L412
L406
L411
L405
L410
L404
C401
L409
L403
L401
L407
L408
C417
C414
L402
C420
CNP302
C410
C412
C409
C402
C403
C405
C404
C407
C406
C408
CNP401
C333
C342
C353
C396
C325
C415
C309
C419
C413
C418
C423
J401
C425
C426
C421
C422
C364
CNP301
C354
D301
C416
C301
C350
C321
C362
C315
C335
C370
C395
C329
C392
CNS301
C389
C397
C383
C374
C381
C375
C323
R344
R315
C336
C376
C337
C332
C356
C345
C326
C312
C358
C359
C303
C334
C313
C318
C317
C310
C304
C371
C346
C340
R418
R422
R420
R417
FB302
FB305
FB314
FB315
C430
Q404
R414
D404
R404
Q414
C433
Q406
R416
D406
R406
Q416
C428
Q402
R412
D402
R402
Q412
C429
Q403
R413
D403
R403
Q413
C431
FB300
Q405
R415
D405
R405
Q415
C327
C427
C357
Q401
C363
C320
C319
C339
C343
C316
C314
R411
C368
C341
R419
C384
D401
C360
C382
R421
C305
R401
R339
R346
R345
FB301
C347
C330
C365
C324
C338
Q411
FB304
C352
C322
R347
D311
D321
D312
D322
D323
D313
D314
D324
D315
D325
D316
D326
D351
D352
D353
D354
D355
D356
FB303
(Page 12)
(Page 12)
SURR L
FRONT L
SURR R
FRONT R
POWER
CENTER
SP1
(WOOFER)
CNP303
D303
R301
1
2
1
2
FB306
1
8
E
E
E
E
E
E
E
E
E
E
E
E
•
: Uses unleaded solder.
Ref. No.
Location
D301
E-1
D302
E-1
D311
A-3
D312
B-3
D313
B-3
D314
C-3
D315
D-3
D316
E-3
D321
A-3
D322
B-3
D323
C-3
D324
C-3
D325
D-3
D326
E-3
D351
A-5
D352
B-5
D353
C-5
D354
C-5
D355
D-5
D356
E-5
D401
A-1
D402
B-1
D403
B-1
D404
C-1
D405
A-1
D406
C-1
IC112
A-5
IC301
A-4
IC304
B-4
IC306
C-4
IC307
C-4
IC309
D-4
IC311
E-4
Q401
A-1
Q402
B-1
Q403
B-1
Q404
D-1
Q405
A-1
Q406
C-1
Q411
A-1
Q412
B-1
Q413
B-1
Q414
D-1
Q415
A-1
Q416
C-1
• Semiconductor
Location
10
10
SA-WMSP250
2-4. SCHEMATIC DIAGRAM — DIGITAL AMP SECTION (1/2) —
• See page 18 for IC Block Diagrams.
C317
D321
D311
D322
D312
D351
D361
D352
D362
C415
C414
C417
C416
C309
C304
C333
R304
R320
IC304
D302
TP304
TP301
D332
D342
L401
L407
L408
L402
IC112
D341
C327
C326
C319
C372
C343
C351
C344
C328
C331
C306
D331
FB304
CNP301
D301
FB303
FB306
C421
C420
C440
C439
C436
C435
C422
C423
C419
C418
D303
CNP303
R301
C332
C341
C315
C314
C345
C342
R307
C313
C316
C318
C310
C305
IC301
C303
C334
C312
R305
FB301
IC305
C311
C380
CNP302
C401
C402
C403
C404
C359
C358
J401
100
35V
35V
LI116
LI116
LI116
LI116
SFPL-62V
SFPL-62V
SFPL-62V
SFPL-62V
0.1
0.1
0.1
0.1
2200
35V
0.022
0.022
33
33
CXD9750L
11EQS04-NTA2B
P6SM
B36AT3
P6SMB36AT3
BA18BCOFP
P6SMB36AT3
0.1
100
10V
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
P6SM
B36AT3
0UH
8P
10EDB40
0UH
0UH
0.1
0.1
1000p
1000p
1000p
1000p
0.1
0.1
0.1
0.1
SEL5723C
2P
220
0.1
0.1
470
10V
10V
0.1
470
10V
10V
100
35V
35V
33
0.1
0.1
470
10V
10V
470
10V
10V
0.1
CXD9750L
0.022
0.022
100
10V
10V
33
0UH
CXD9743N
0.1
470p
2P
1
1
1
1
100
10V
10V
100
10V
10V
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
12
12
SA-WMSP250
2-6. PRINTED WIRING BOARD — PS BOARD —
IC907
IC908
IC903
IC905
IC906
IC904
IC902
IC901
PC902
PC901
IC910
F901
R902
CN904
CN905
CNP901
LF902
FH901
C920
D907
C901
D916
C929
D914
D918
C944
R930
FH902
D911
R908
C939
R903
D906
LF901
C909
D902
C935
D919
C912
C902
R904
TH901
D903
Q905
R913
C942
C910
C911
D933
R934
C936
L909
D920
C903
C943
L906
C921
R909
C913
T901
C916
D908
C934
C922
R911
C924
CN903
R935
Q908
R907
C931
Q901
C915
R925
D931
R919
R931
R938
R924
R928
R927
C928
Q902
R914
R906
R920
D905
Q913
Q915
R932
R918
C927
C918
R915
R926
C940
D932
C905
R912
C926
Q906
Q903
D912
C938
C908
R933
C930
D913
C925
R916
R917
C914
R905
R901
C932
R937
R923
R929
R936
L902
L903
L904
L905
C933
E
E
E
E
E
E
E
E
(Page 9)
1
1
1
1
1
1
1
1
1
3
3
3
3
3
5
5
4
4
1
11
(Page 9)
(Page 14)
E
C
K
A
E
C
K
A
•
: Uses unleaded solder.
Ref. No.
Location
D902
D-5
D903
B-4
D905
D-3
D906
E-4
D907
D-5
D908
D-4
D911
B-3
D912
E-4
D913
E-3
D914
D-2
D916
D-1
D918
D-1
D919
A-4
D920
B-4
D931
D-5
D932
D-4
D933
D-5
IC901
D-5
IC902
E-4
IC903
D-2
IC904
E-3
IC905
E-2
IC906
E-3
IC907
D-1
IC908
D-1
IC910
E-2
Q901
E-4
Q902
D-3
Q903
E-5
Q905
D-4
Q906
D-1
Q908
D-1
Q913
E-3
Q915
E-3
• Semiconductor
Location
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