Schematic Diagram - Amp Section (2/4) - Sony SA-WSLF1 Service Manual

4-15. SCHEMATIC DIAGRAM — AMP SECTION (2/4) —
1
2
3
4
R119
22k
6
C200
0.1
C219
0.1
25V
F
C136
0.1
R104
0
5
R136
7
(Page 18)
8
R175
0
C199
0.1
9
C135
0.1
R103
0
10
R116
22k
SA-WSLF1
• See page 34 for IC Block Diagrams.
(2/4)
IC106
CXD9774M
C178
47p
C186
0.033
R176
0
R166
0
C146
0.1
R146 0
0
C156
0.033
R237
100
POWER DRIVER
IC105
CXD9774M
C185
0.033
R165
0
C145
0.1
R145 0
R135 0
C155
0.033
C168
47p
R235
100
POWER DRIVER
C158
47
10V
Q301
2SC1623-T1-L5L6
R395
PROTECT DETECT
100k
C272 C176 R206 C372
C196
0.22 0.22 3.3 1 50V
2200
35V
R431 D304
100k 1SS355TE-17
D303
1SS355TE-17
L136
10µH
C271 C166 R196
0.22 0.22 3.3
C292
D206 0.0022
P6SMB39AT3
C266
0.0022
C116
1
C226 R226
1 2.7
C216 R216
D106 1 2.7
P6SMB39AT3
C106 C256
1 0.0022
C105 L126 C291
1 10µH 0.0022
R239
100
C210 C175 R205
0.22 0.22 3.3
C115
1
L135
10µH
D205 C225 C290
P6SMB39AT3 1 0.0022
C209 C165 R195
0.22 0.22 3.3
C265
0.0022
R225
2.7
C215 R215
1 2.7
C195
2200
35V D105 C255
P6SMB39AT3 0.0022
L125 C289
10µH 0.0022
(Page 27)
25 25
R105
0
R139
0
C137 C218
0.1 0.1
C385
2.2
C377
10
50V
R430
10k
POWER DRIVER
IC107
CXD9774M
C273 C274
0.22 0.22
C167 C177
0.22 0.22
R197 R207
3.3 3.3
C197
2200
35V
C157
0.033
D107
L127
P6SMB39AT3
10µH
C217
1
C293 C257
0.0022 0.0022
R409 R365 R410 R411 R366 R412
100k 100k 100k 100k 100k 100k
C395 C396
2.2 10
Q110
2SA1602
Q109
2SA1602
Q109-114
OVER LOAD
DETECT
SA-WSLF1
C180 R120
47p 22k
R177
0
C117 C107
1 1
C187
0.033
D207
L137
P6SMB39AT3
10µH
C227
1
CN313
R217 R227 C267 C294 6P
2.7 2.7 0.0022 0.0022
SW+
SW- D
SW+
SW- SPK-OUT
BOARD
C+
CN909
C- (Page 15)
R413 R367 R414
100k 100k 100k
C397
10
Q112
2SA1602
Q114
2SA1602
Q111 Q113
2SA1602 2SA1602
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