D-NF400/NF401
23
23
@ When IC803 is damaged, replace the MAIN board.
6-12. PRINTED WIRING BOARD – MAIN Board (Conductor Side) –
:Uses unleaded solder.
D1
E-8
D2
E-7
D3
F-8
D5
E-8
D308
I-6
D321
H-6
D403
H-1
D801
B-7
IC1
D-8
IC62
B-7
IC302
G-6
IC403
G-4
IC601
E-6
IC603
E-4
IC801
C-6
IC803
D-6
Q3
E-9
Q71
B-8
Q84
B-8
Q601
F-7
Q801
B-7
• Semiconductor
Location
Ref. No.
Location
IC803
4
5
8
15
16
30
22
33
44
90
60
30
120
4
8
5
75
50
100
26
13
40
80
60
(CONDUCTOR SIDE)
MAIN BOARD
1-860-995-
11
(11)
NF400: US, CND/
NF401: E92, MX
(NF400: US, CND/NF401: E92, MX)
FL1
5
1
(NF400: US, CND)
L5
TV RF
L1
FM RF
(RF)
TP601
TP8
(VT)
(FOR CHECK)
NF401: E13
(NF400: AEP, UK, EE)
(NF400: AUS)
(TEST)
SL824
NF400: AEP,
UK, EE
L3
AM
FERRITE-ROD
ANTENNA
J301
(OPEN)
S810
ON OFF
HOLD
S806
S809
+
–
VOL
(MAIN GND)
DC IN 4.5V
J401
–
+
10
1
-1
-2
A
B
C
D
E
F
H
I
1
2
3
4
5
6
7
8
9
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299