Printed Wiring Board - Main Board (Conductor Side) - Sony D-NE270 Service Manual

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6-4.
PRINTED WIRING BOARD – MAIN Board (Conductor Side) –
1
2
3
A
B
C
D
E
F
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
2PCS. 3V
G
H
J401
(MAIN_GND)
DC IN 4.5V
+
I
S806
+
VOL
:Uses unleaded solder.
4
5
MAIN BOARD
(CONDUCTOR SIDE)
2
1
3
76
75
EXCEPT
Canadian
100
51
1
50
(TEST)
25
26
30
31
4
1
6
3
1
10
(FOR CHECK)
41
40
21
60
61
20
80
1
S810
HOLD
ON
OFF
S809
6
7
8
17
16
32
1
33
64
26
49
48
1
14
1
120
13
91
90
61
60
TP601
(RF)
24
13
1
12
12
1-862-996-
(12)
J301
@ When IC803 is damaged, replace the MAIN board.
13
13
• Semiconductor
9
Location
Ref. No.
Location
D307
H-6
D401
G-3
D402
G-3
D403
H-2
D421
E-5
D422
E-5
IC301
G-7
IC403
G-4
IC601
E-7
IC603
C-8
IC701
B-6
IC801
C-4
IC804
E-4
IC806
B-5
Q408
H-3
Q601
G-7
D-NE270
Ver 1.1

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