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Printed Wiring Boards - Sony ICF-C112 Service Manual

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ICF-C112
5-2. PRINTED WIRING BOARDS • Refer to page 10 for Common Note on Printed Wiring Boards.
1
2
3
A
MAIN BOARD
AM
FERRITE-ROD
ANTENNA
B
C
L1
FM RF
C1
C2
C3
CV1 TUNING
D
CT3
CT5
CT6
CT4
E
C6
S1
C32
C31
F
S1
BAND
L3
AM OSC
S108
SLEEP
JC1
G
C9
R4
R6
Q1
C12
H
R10
RV1
R5
VOLUME
RV1
D111
C118
I
C119
D112
J
4
5
6
L4
BPF1
CF2
CF1
T1
C15
C33
15
R15
C18
16
S101 (Function Selector)
R8
L2
FM OSC
IC1
BUZZER
RADIO
ALARM
C23
C21
C24
C16
CF3
R2
1
30
R11
M
S103
S105
ALARM
C116
R133
JW102
15
28
IC101
14
1
R135
JC103
R137
17
LED101 LED DISPLAY (12H)
7
8
9
D1
LEAD WIRE
D2
GRY
3
1
BLK
RED
JC105
-2
-1
JW101
Q301
RADIO ON
OFF
C25
C22
JW3
RED
C29
R305
WHT
JW4
JW6
RED
WHT
S104
D114
TIME SET
CLOCK
S106
H
CN1
JW103
4
C304
S111
JW300
SNOOZE/
SLEEP OFF
JW301
R303
1
R101
12
12
10
11
12
FM
ANTENNA
BATTERY
DRY BATTERY
SNAP
"006P" 9V
(IEC DESIGNATION 6F22)
KEEP THE CORRECT
TIME DURING POWER
STOPPAGE
<BACK UP>
SWITCH BOARD
S100
ALARM
VOL
RED
1
LOW
HIGH
3
11
1-686-757-
(11)
SP1
(SPEAKER)
TRANSFORMER BOARD
1
1
11
1-686-755-
(11)
13
14
• Semiconductor
Location
Ref. No.
Location
D1
B-8
D2
B-8
D111
I-3
D112
I-3
D114
G-7
D301
H-9
D302
I-8
D304
D-9
IC1
D-5
IC101
H-5
LED101
I-6
Q1
H-2
Q301
D-8
Q302
E-8
4
T301
POWER TRANSFORMER
11
1-686-756-
(11)
~ AC IN

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