Read Sony ICF-C411 Service Manual online
ICF-C411
12
12
5-4. PRINTED WIRING BOARDS — KEY, LED SECTION — • Refer to page 9 for Common Note on Printed Wiring Boards and for Circuit Boards Location.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
1
5
10
15
17
W5
W2
C109
C120
C112
C113
C110
R136
R127
C104
R112
C103
R113
C115
R139
R131
R126
R129
C119
C107
C106
R115
C105
R114
R128
C111
D105
C114
C108
R120
R125
R122
C118
R132
R110
R108
R124
R121
R117
R123
R116
C121
C116
C117
R109
R106
R107
R118
R130
R101
R104
R119
R111
JC101
D107 D106
JW116
JW118
JW117
JW119
JW120
JW101
JW104
JW105
W3
W4
JW106
JW109
JW110
JW111
JW107
JW114
D101
JW108
JW113
JW129
JW103
JW102
R135
R138
D104
S101
D108
D102
D103
S110
S102
BRIGHTNESS
ALARM TIME/CLOCK SET
(Function Selector)
(Function Selector)
HIGH
LOW
TIME SET
FAST +
HOLD
RADIO
BUZZER
CLOCK
ALARM MODE
OFF
RADIO
BUZZER
RADIO+
BUZZER
IC101
1
4
C
B
E
C
C
B
E
B
E
1
7
1
5
10
14
28
25
20
15
S108
SLEEP
S105
TIME SET
FAST-
S106
OFF/
ALARM
RESET
S107
RADIO ON
S109
SNOOZE
RADIO
ALARM
BUZZER
D201
D202
W2
1-680-057-
11
(11)
1-680-059-
11
(11)
KEY BOARD
LED BOARD
Q102
Q101
S103
S104
TIME SET
+
(SHIELD)
LED101
1
4
1
4
-1
-2
JW122
JW123
JW124
JW125
JW126
JW127
JW121
-2
-1
Q103
POWER
BOARD
CN301
2
MAIN
BOARD
CN1
1
D101
D-6
D102
E-12
D103
E-12
D104
E-10
D105
B-5
D106
C-4
D107
C-4
D108
E-10
D201
H-10
D202
H-12
IC101
C-7
LED101
I-6
Q101
D-5
Q102
E-6
Q103
D-9
• Semiconductor
Location
Ref. No.
Location
(Page 11)
(Page 11)
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