Read Sony ICF-M88B Service Manual online
ICF-M88B
12
12
6-3. PRINTED WIRING BOARD – PANEL/POWER SUPPLY Section –
: Uses unleaded solder.
C119
S101
S102
T101
+
S107
S104
S105
S108
S109
1
BLK
GRY
RED
RED
GRY
BLK
RED
GRY
BLK
RED
GRY
RED
GRY
8
LCD101
LIQUID CRYSTAL DISPLAY
KEY BOARD
(COMPONENT SIDE)
1-862-332-
R104
R110
R126
C118
(LCD BACK LIGHT)
R109
R129
Q103
BC
E
R189
R146
R190
R103
R102
C107
R101
C105
JC102
R108
R105
C108
C122
C104
R144
R145
C102
C128
R138
L101
R128
C136
C142
C141
C140
C126
C146
C135
R179
C138
C124
C125
R139
C139
R143
R140
R178
C133
R106
R112
R107
R116
R115
R114
C112
R117
R123
C103
C101
R134
R133
R135
R136
R141
C121
C143
C131
C129
C130
R118
R119
R120
R121
R122
C116
C115
C114
C111
R124
C154
R187
R127
C152
R188
IC102
IC104
D101
D109
K
A
KA
D102
KA
IC103
IC101
C157
R184
C156
C149
R182
C155
C158
R183
R180
R111
C117
C109
R185
R186
R181
L104
Q106
Q107
B C E
E
C
B
E C B
Q104
E C B
Q105
IC105
D103
A
K
D104
AK
Q101
Q102
B C E
BC
E
KEY BOARD
(CONDUCTOR SIDE)
(11)
11
1-862-332-
X102
X101
D106
D105
+
C127
C151
+
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
2PCS. 3V
SENSOR
UNIT
MAIN
BOARD
A
1
15
16
30
RADIO POWER
RESET
LIGHT
ENTER/SELECT
TUNE MODE
BAND/SET
(11)
11
+
–
S103
MODE/FREEZE
S106
1
2
4
3
TP115
(KS1)
TP117
(KR3)
TP116
(KS0)
1
20
60
41
21
40
80
61
1
4
8
5
1
2
4
3
1
2
4
3
(LCD BACK LIGHT)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
(Page 10)
•
Semiconductor
Location
Location
Ref. No. Location
D101
B-14
D102
D-14
D103
B-10
D104
C-10
D105
B-15
D106
B-10
D109
B-14
IC101
C-12
IC102
C-14
IC103
D-14
IC104
D-14
IC105
C-11
Q101
C-9
Q102
C-9
Q103
B-15
Q104
B-12
Q105
B-12
Q106
A-13
Q107
A-13
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