LG GD330 - TROUBLESHOOTING

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
NO
Play the Ring tone.
Check the TP1,TP2
The signal is a Analog
Check the Speaker contact
PAD of the F-PCB
YES
2
U100(ABB) is broken.
Change the board.
TP1
IC200
TP2
<Fig.> TP1 or TP2
u8
6
0.
06
3
2
C
43
2
C
u1
u1
1
3
2
C
03
2
C
u1
u1
u
133
2
C
1
62
2
R
u
12
3
2
C
A3
2
B
N1C
4
A
P1C
5
A
1
A
NI
2
D
2
ANI
1
D
2
C
1
BNI
1
C
2
B
NI
1
52
2
R
u8
60.
0
5
32C
L
_
O
S
H
_
BB
A
R_
O
S
H
_
BB
A
R_M
F
L_M
F
TP1
TP2