Read Sony HT-K25 / SA-WMS25 (serv.man2) Service Manual online
10
10
SA-WMS25
2-4. Schematic Diagram — DIGITAL AMP Section (1/2) —
• See page 18 for IC Block Diagrams.
0
7
7
0
0
0
7
7
3.2
0
C312
C301
FB301
FB304
FB300
C432
C401
C402
C403
C404
C317
C318
IC301
C315
IC304
D321
D311
D
3
2
2
D312
D
3
51
D
36
1
D
3
5
2
D
3
6
2
C420
C421
C415
C414
C417
C416
L401
L402
C309
D
3
0
1
R411
R401
R412
R402
R407
C306
C
3
5
8
C328
C331
C372
C351
C
3
5
9
C311
R325
C307
R347
C327
C344
R334
R336
R338
R339
R340
R344
R342
R341
R315
R316
R317
R318
R319
L
3
0
2
R346
C385
C380
C
3
03
C319
C313
C316
C305
C
3
3
3
C343
C341
C314
R304
D
3
4
1
D
33
1
D
3
4
2
D
3
3
2
CNP301
C427
C428
C434
IC305
C
3
04
C310
C
3
3
4
R322
R
3
0
5
CNS301
R302
C
3
0
2
C326
R370
X301
IC
3
0
0
C308
D303
R301
CNP303
CNP302
Q401
Q411
Q402
Q412
Q328
D401
D402
R408
R307
R320
C342
C345
C333
J401
D
3
0
2
100
10V
100
10V
10V
0UH
0UH
0UH
10p
1
50V
1
50V
1
50V
1
50V
100
35V
35V
100
10V
10V
CXD9702L
100
10V
CXD9702L
LI116
LI116
L
I1
1
6
LI116
S
FP
L
-6
2
V
S
FP
L
-6
2
V
S
FP
L
-6
2
V
S
FP
L
-6
2
V
0.1
0.1
0.1
0.1
0.1
0.1
2200
35V
1
1
E
S
2
-T
B
5
220k
220k
220k
220k
1k
0.01
0
.0
1
0.01
0.01
0.01
0.01
0
.0
1
0.01
22
5p
10k
0.01
0.01
1k
1k
1k
100
100
100
100
100
100
100
100
100
100
470p
470p
0
.0
2
2
0.1
0.1
B
0.1
0.1
0
.0
2
2
0.1
0.1
0.1
100
P
6
S
M
B
3
6
A
T3
P
6
S
M
B
3
6
A
T
3
P
6
S
M
B
3
6
A
T
3
P
6
S
M
B
3
6
A
T
3
8P
4.7
10V
F
4.7
10V
F
0.1
25V
25V
F
CXD9730Q
0
.0
2
2
100
10V
10V
0
.0
22
100
1
0
0
21P
1M
0
.01
47
16V
680
49.152MHz
M
C
7
4
V
H
C
1
G
U
0
4
D
FT
1
1000p
SEL5723C
220
2P
2P
2SA1162
-YG-TE85L
2SA1162
-YG-TE85L
2SA1162
-YG-TE85L
2SA1162
-YG-TE85L
2SC2712-GL-TE85L
1SS355TE-17
1SS355TE-17
100
100
100
35V
35V
100
10V
10V
0.1
B
1
1
E
Q
S
0
4
-TB
5
220k
100
Ver 1.1 2003.06
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