Schematic Diagram - Diat Amp Board (2/3) - Sony TA-SB500WR Service Manual

TA-SB500WR
Q Q
3-3. SCHEMATIC DIAGRAM – DIAT AMP Board (2/3) –
3 7 6 3 1 5 1 5 0
R153
100k R154
100k
C165
Q106
2SA1602TP-
1EF
Q105
2SA1602TP-
1EF
Q105,106,108,109
OVER LOAD DETECT
T E
L 1 3 9 4 2 2 9 6 5 1 3
Q107
2SC1623-T1
-L5L6
PROTECT
DETECT
C166 R155
2.2 100k
A2
A3
(Page 9)
w w w
TA-SB500WR
• See page 16 for IC Block Diagrams.
(2/3)
R156 R157 R159
100k 100k R158 100k
100k
C182 C183 R169
0.0022 0.0022 2.7
C169
2.2 2.2
C185
Q109 0.047
2SA1602TP-
1EF
C184
1
L112
D104
10µH
P6SMBJ33A-5
Q108
2SA1602TP-
1EF
R167
3.3
R164 C181
0 0.22
C180
0.22
C170 C177
1 0.033
POWER DRIVER
IC110
CXD9774M
C168
47
C243
16V
0.1
R263 R212 R166
4.7k 22k 0
R173
560
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y
. i
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R177 C189 C194 C209
2.7 0.0022 0.0022 0.0022
C193
0.047
C192
1
L115 L118
D105
10µH 10µH
P6SMBJ33A-5 P6SMBJ33A-5
R216 R217 R218 R219 R224 R186
10k 10k 10k 10k 10k 0
C199 C235
2200 2200
35V 35V
R180
3.3
C191 R185 R220
0.22 0 100
C190
0.22
Q Q
3 7 6
C197
0.033
C200 C201
1 1
POWER DRIVER
IC112
CXD9774M
R178
100
C188 R179
0.01 0
R213 C240 R214
22k 47p 22k
R175 R181
560 560
u 1 6 3
(Page 11)
10 10
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2 4
8 9 9
C256 C257 C258
0.01 0.01 0.01
C210 R191 R195 C218 C224
0.0022 2.7 2.7 0.0022 0.0022
C213 C217
0.047 0.047
C212 C216
1 1
L121
D106 D107
10µH
P6SMBJ33A-5
D115
MA8027
R225 R222
10k 100
R189 R198
3.3 3.3
C208 C222
0.22 0.22
C207 C221
0.22 0.22
3 1 5 1 5 0 8 9 2
C203 C231 R203
0.033 0.033 0
C238
1
R196
100
C244 C215
0.1 0.01
R188 R197 R215 C242
0 0 22k 47p
R183
560
m
c o
.
2
8 9 9
T100
SPEAKER
C259
0.01
4 9 8 2 9 9