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4.6 Vibrator Trouble
TEST POINT
CIRCUIT
F
M
_
N I
T
V
B I
R
A
T
O
R
F
M
_
3
2
K
Main IC
(U102)
Main IC
(U102)
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TP2
TP1
Figure 4.6
A
E
1
R I
D
A
_
P
D
N
_
G
I P
O
7
6
A
H
4
S
D
_
P
W
R
E
N
_
G
I P
O
7
3
A
K
2
F
M
_
3
2
K
_
G
I P
O
7
5
M
2
V
B
O
O
S
T
1
_
S
W
M
4
V
B
O
O
S
T
1
VIBRATOR
4. TROUBLE SHOOTING
Vibrator PAD
VBAT
TP1
TP1
R414
2
1K
TP2
R415
100K
TP2
72/140
- 69 -
4. TROUBLE SHOOTING
1
2
D403
3
VIB_N
3
Q400
1
R416
10
LGE Internal Use Only
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