Schematic Diagram - Amp Section (4/4) - Sony SA-WSLF1 Service Manual

4-17. SCHEMATIC DIAGRAM — AMP SECTION (4/4) —
R111 C148
22k 47p
38
R172
0
C189
0.1
R162
0
C142
0.1
C132
0.1
R102
0
45
R132
0
39
4
40
(Page 26)
41
R171
0
C188
0.1
R161
0
C141
0.1
C131
0.1
R101
0
R131
0
R108
22k
42
C138
47p
D208
MA8027-H-TX
43
44
SA-WSLF1
• See page 34 for IC Block Diagrams.
(4/4)
IC102
CXD9774M
C182
0.033
C204
0.22
R142 0
C152 C203
0.033 0.22
R229
100
POWER DRIVER
IC101
CXD9774M
C181
0.033
C202
0.22
R141 0
C151 C201
0.033 0.22
R495 R496 R497
10k 10k
R129
100 R494
10k
POWER DRIVER
(Page 25)
C112
1
C111
1
C102
1
C172 R202 L132
10µH
0.22 3.3
C284
D202 0.0022
P6SMB39AT3
C222 C262
1 0.0022
R222
2.7
C101 R212
1 D102 2.7
C162 R192 P6SMB39AT3
0.22 3.3
C212 C252
1 0.0022
C192
2200
C283
35V
0.0022
L122 10µH
C191
2200
35V
L131
10µH
C282
D201 0.0022
P6SMB39AT3
C221 C261
1 0.0022
R221
2.7
R211
2.7
C171 R201
0.22 3.3
D101 C211 C251
P6SMB39AT3 1 0.0022
L121 C281
0.0022
10µH
C161 R191
0.22 3.3
R499 R500
10k 10k 10k
27 27
Q102 Q104
2SA1602 2SA1602
Q101 Q103
2SA1602 2SA1602
C391 C392
2.2 2.2
R361 Q101-104 R362
100k 100k
OVER LOAD
DETECT
R401 R402 R403 R404
100k 100k 100k 100k
SA-WSLF1
CN306
4P
FRONT RCH+
E
FRONT RCH-
FRONT LCH+
SPK-OUT
BOARD
LCH-
FRONT CN907
(Page 15)
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