Printed Wiring Board -Tuner Section - Sony XTL-W70 Service Manual

XTL-W70
4-10. PRINTED WIRING BOARD — TUNER SECTION — • Refer to page 19 for Note. Refer to page 25 for Semiconductor Location.
1 2 3
A
TUNER BOARD (SIDE A)
Q77
B C E
B
D42
R93
C76
R75
16 1
17 64
R74
IC12 R73
C
R72
C75
R71
32 49
C71
33 48
R84
R89
R63
D
R83
R10
C77
C78
R88
R6
R87
C16 R5
8 5
8 5
E
3 1
IC50
IC1
IC3
4 5
1 4
1 4
C8
R8
R4
Q3
E C B
B C E
D5 D6
Q4
+30V
F
D2
R1
B C E
C3
D3
ACC
5V
C6
E C B
G
Q1
H
C260
C2
D1
I
D50
J
4 5 6
D43
Q24
R52
R249 C202
R253
R54
8 5
C203
8 5
C201 R252
IC28
IC19
R250 C205
1 4
TV 1 4
R251
R53
AFT
R44 R45 R46
C48
Q42
8 5
B C E
IC17
16 9
1 4
R146
+5V
IC18
C132
R154 1 8
C140
R143
Q40
Q41
R144 R141
8
R157 R156
IC23
Q53
IC31
C242
5 4 R180
B C E
1 3
1
C186
14 8
8 5
R213
IC21
B C E
1 4
Q60
1 7
IC22
Q10
D66
12 7
DL2
P100 1 6
C4
D4
2
IC2
IC29
1 3
8 5
R193
C9
1 4
E C B
E C B
Q73 Q72
D60
FU1
D51
D75
7 8 9
D40
D41
C192
C193
R246
8 5
R245
16
R162
R244
IC27
C196
IC14
C111
1 4
R163 R243
C194 1
R130
C106 R115
C110 R129
C102 C105
8 5
R159 R127 R108
R123 R118
IC15 R125 R126
C103 R116
1 4
R124 C101 C96
R110
C100
C107
Q33
R132 R131 R111
C104
B C E
C113 C112
C98
R117
C92
R105
R103
C120
E C B
R138
D31
5 R308
Q32 D30
R306
10 6
4 R307
IC16 Q31
Q30
R301
R304 B C E
B C E 1 5
B C E
Q90
R305
R102
C164
B C E
16
Q103
IC26
R254 C297
R381 24 17
25 16 1
IC24
32 9
1 8
R352
16 9
R293
IC25 C296
1 8 R220
R219
R
Q63
Q64
E C B B C E
B C E
Q78
B C E
R285
Q61
D65
D70
26 26
10 11 12
9
8
Q97 Q96
B C E B C E
Q35
R114 B C E
C24
C25
C259
R323
C257
C256
D20
C252
R320 C251
C250 C258
+9V
C40
9
R30 R31
8
C31
R32
Q20
C30
R34
R33
L21
C34
Q62 4 3
IC20
B C E
1 2
24 13
IC13
C51
1 12
Q80
B C E
B C E
B C E
Q79 R290
Q81
PSW
13 14 15
P33
R41
P34
R43
R291
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