Read Sony ICF-C492 Service Manual online
ICF-C492
11
11
ICF-C492
5-2. PRINTED WIRING BOARDS – KEY/BUZZER/POWER Boards –
: Uses unleaded solder.
A
MAIN BOARD
CN102
–1
–2
OFF t RADIO t BUZZER t RADIO + BUZZER
SLEEP
KEY BOARD
1-865-187-
(11)
11
R143
R131
R108
R132
R139
R124
R125
R122
C124
R150
1
9
D108
D104
D103
D102
S106
RADIO OFF
ALARM RESET
S107
RADIO ON
S108
S101
(ALARM MODE)
POWER BOARD
1-865-188-
(11)
11
TML301
TML302
C
MAIN BOARD
CN302
1
4
T301
POWER TRANSFORMER
P301
(AC IN)
BUZZER BOARD
1-865-189-
(11)
11
ALARM VOL
B
MAIN BOARD
1
4
S1
HIGH t LOW
DRY BATTERY
SIZE “6F22”
(IEC DESIGNATION 6F22)
1PC. 9V
RED
BLK
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
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