Read Sony XTL-W70 Service Manual online
26
26
XTL-W70
4-10. PRINTED WIRING BOARD — TUNER SECTION — • Refer to page 19 for Note. Refer to page 25 for Semiconductor Location.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R78
R96
R95
R94
R92
R91
R90
R97
R247
R253
R93
R75
IC12
Q40
IC17
Q42
Q41
IC3
IC21
IC23
IC22
D66
IC1
IC50
D5
Q3
D3
D6
D4
D51
D75
D60
Q78
D65
Q61
Q64
Q63
Q81
Q79
Q80
D70
IC2
D1
D50
DL2
IC25
IC29
IC24
IC26
Q30
Q20
IC20
Q62
IC16
IC31
Q32
IC15
IC18
Q103
Q60
Q90
Q97
D41
Q96
Q35
IC14
D20
Q31
D30
D31
Q33
IC13
Q73
Q72
Q4
Q10
D2
Q1
Q53
IC28
D43
D40
Q24
IC19
IC27
D42
Q77
R74
R73
R72
R71
R10
+5V
+30V
ACC
5V
R154
R251
R146
C132
C140
R157 R156
R180
C186
C242
R304
R305
R213
R254
R53
R44
R45
C48
R130
C111
R246
R132
C113
R131
C112
C110
R129
R127
R108
R125
R126
C106
R115
C102
C105
R123
R118
C103
R116
R124
C107
C104
R117
R105
R138
C120
R308
R306
R307
R301
R102
C164
C297
R381
R352
R193
C4
C9
C6
C3
R4
R8
C8
B C E
BCE
BCE
B C E
B C E
B C E
BCE
B C E
B C E
B C E
B C E
B C E
B C E
B C E
B C E
B C E
B C E
B C E
E C B
B C E
ECB
B C E
B C E
E C B
B C E
B C E
B C E
E C B
E C B
E C B
E C B
R87
C16
R5
R144
R141
R1
FU1
C2
C260
C194
R243
R111
C98
C92
R103
C259
R323
C257
C256
C252
C24
C25
C193
16
9
1
8
C192
R245
C196
R244
R320
C250
C251
C258
C101
C96
R114
C100
R110
R46
R159
R163
R143
R6
R88
C78
C77
R83
R63
R89
R84
C71
C75
C203
8
5
1
16
17
32
64
49
1
33
48
4
R249 C202
R252
C205
R52
R54
TV
AFT
R162
C201
R250
R152
R151
R150
C133
R149
R148
R248
C200
C114
R128
R112
C123
R242
R241
R240
C191
C295
R113
C294
R107
C94
C255
R137
R300
C115
C116
R133
R136
C243
R135
R134
R237
R236
R238
R239
C189
R256
R255
R257
C177
R212
R177
R174
C157
R173
R192
R2
R3
R86
R12
R13
R85
C74
R9
R7
R80
R190
R191
R195
R267
C10
C158
R175
R176
C159
R215
R284
R211
R377
R264
C223
C224
C220
R263
R271
R272
R260
R23
C221
R265
R258
R259
R194
R266
R197
C170
R262
R276
R353
R274
R351
R278
R279
R275
R277
R100
C89
R99
C174
C185
R216
C188
R225
R226
R223
C181
C180
R224
R286
R288
C169
C168
R207
R227
R233
R228
R289
R376
R231
R234
R229
R178
R179
R230
R281
C230
R282
R222
R221
R235
R232
R273
R287
R49
R36
R55
R42
C45
C47
C50
C35
R47
R48
C33
R56
R51
R50
R290
R291
11
R41
C34
24
13
1
12
P33
C51
L21
R34
R31
C31
C40
R33
C30
R32
R30
+9V
R43
P34
R40
C42
R204
C166
C165
C176
C178
R293
C296
R220
R219
R285
PSW
R205
R206
C119
C118
R322
R321
C26
C23
C254
C91
R104
C122
C130
R145
C136
R76
R77
R70
R79
C70
C69
R81
R283
C138
R153
R155
R142
C131
R140
C244
R168
R169
R82
C76
R280
8
5
1
4
8
5
1
4
8
5
1
4
8
5
1
4
8
5
1
4
8
5
1
4
8
5
1
12
P100
7
1
6
4
14
8
1
5
4
1
3
1
16
9
8
7
8
5
1
4
10
6
1
5
3
1
4
5
2
1
8
5
1
16
9
1
1
1
2
4
3
16
9
1
8
8
24
25
32
16
9
17
8
4
R
3
TUNER BOARD (SIDE A)
1-677-415-
R98
Click on the first or last page to see other XTL-W70 service manuals if exist.