Printed Wiring Boards - Key, Led Section - Sony ICF-C411 Service Manual

ICF-C411
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 2 3
A
KEY BOARD
B
(Page 11)
POWER
BOARD
CN301
2
C
W3
1
MAIN
BOARD
CN1
(Page 11)
R121
D
S105
TIME SET
FAST-
E
F
G
H
4 5 6
(SHIELD)
1
7 1
W4
1
D105
JW101 JW102
4
JW103
C111
R128
1
28
D107 D106 C108
JW104
25
S103
JW105 R120
R123 R117
JC101
JW106
R116
TIME SET
Q101
JW107
C + JW114
C121
R135
B E
D101
JW108
R138
JW109
JW129
JW110 C
C114 C116
JW111 B E
Q102
R118
R107
-1
S102 -2
S110
(Function Selector)
BRIGHTNESS
ALARM TIME/CLOCK SET
HIGH LOW
HOLD RADIO
7 8 9
LED101
5 10 15 17
S109
5
SNOOZE
10
14
IC101
S108
SLEEP
R125
JW120
20
JW121
15
S104
E B
TIME SET
FAST + C
Q103
C117
R109
R106
BUZZER CLOCK
LED BOARD
12 12
10 11 12
W5
1 4
W2
S106
R108
OFF/
R124
R110
ALARM
RESET
S107
R122
RADIO ON
C118
R132
D104
D108
S101
-2
-1
(Function Selector)
ALARM MODE
1-680-057-
RADIO+
OFF RADIO BUZZER
BUZZER
RADIO ALARM BUZZER
D201 D202
4 1 11
W2
1-680-059-
(11)
13
• Semiconductor
Location
Ref. No. Location
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
11
(11)