Printed Wiring Board - Main Board (Conductor Side) - Sony D-NE300 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-4. PRINTED WIRING BOARD – MAIN Board (Conductor Side) –
1 2
A
B
C
D
T E
L 1 3 9 4 2 2 9 6 5 1 3
E
F
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
2PCS. 3V
G
H
J401
DC IN 4.5V
w w w
– +
I
S806
+
.
VOL
:Uses unleaded solder.
3 4 5
MAIN BOARD (CONDUCTOR SIDE)
2
1
NE300: AEP, UK, EE/
3
NE300CK: AEP, UK
76
75
100
51
1 50
(TEST)
25 26
30
(NE300/NE301)
-2
31
1
-1
10
(FOR CHECK)
NE300CK/NE301CK/
NE306CK
41
40
21
60
61
20
NE300CK/NE301CK/
80 1
(MAIN_GND)
x a o
S810 y
HOLD
i
ON OFF
S809
–
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8
6 7 8
17 16
32 1
33 64
26
49 48
1
14
1 120
13
91
Q Q
3 7 6 3
90
60 61
TP601
(RF)
24
13
1
12
1-862-996-
NE306CK
NE300CK/NE301CK/
u 1 6 3
NE306CK
.
@ When IC803 is damaged, replace the MAIN board.
13 13
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D-NE300/NE300CK/NE301/NE301CK/NE306CK
2 4
9 9 8
• Semiconductor
9
Location
Ref. No. Location
D307 H-6
D401 G-3
D402 G-3
D403 H-2
D421 E-5
D422 E-5
D801 E-4
D803 E-4
IC301 G-7
IC403 G-4
IC601 E-7
IC603 C-8
IC701 B-6
IC801 C-4
IC806 B-5
Q408 H-3
Q601 G-7
Q801 E-5
1 5 1 5 0 8 9 2 4
11
(11)
m
c o
2
9 9
9 8 2 9 9