Printed Wiring Board - Key Section - Sony ICF-CD837 Service Manual

Fm/am cd clock radio
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5-9. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 19 for Circuit Boards Location.
1
2
A
B
C
D
KEY BOARD
E
S601
S601
ALARM RESET
/x/OFF
R601
R602
F
G
ICF-CD837
3
4
5
S602
S602
RADIO
ON
R603
S603
S603
R604
CD/u
R605
R606
S605
R609
S608
S605
R610
SLEEP
R619
S608
NAP
: Uses unleaded solder.
6
7
8
TIME SET
CNP602
5
1
6
2
S606
S606
SNOOZE/
R612
SLEEP OFF
E
DRIVE BOARD
CNP601
(Page 24)
25
25
9
10
11
12
S653
CLOCK
SET/
TRACK
S612
ALARM MODE A
OFF
CD
RADIO
BUZZER
ALARM
S611
R625 R627
R626 R628
R629
R630
ALARM
S610
R631
SET B
R632
S604
R621
–/.
R623
R620
S609
+
/>
W402
S604
11
R608
1-865-670-
(11)
S609
S401
Z PUSH
OPEN/CLOSE
ICF-CD837
13
S653
R614
R615
S612
R640 R638
R641 R639
R636
R634
R637
R635
R616
S607
R617
S607
SET A
S611
ALARM MODE B
OFF
CD
RADIO
BUZZER

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