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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
4.16 LINEAR MOTOR
Linear Motor is worked as below :
touch touch-window
Î
Vibration feedback
U505 : Used the PWM pulse
MOTOR+
MOTOR-
Start
Work well?
VREG_MOTOR
_3.0V is 3V? LIN_
MOTOR_EN is high?
LIN_MOTOR_PWN
is work?
End
Check an U505 SMT
status by X-ray
YES
No
NO
YES
Reboot
End
MOTOR+
MOTOR-
10K
R5
1
6
3
2
5
C
n
9
.
3
1
0
5
B
V
2
1
R5
1
7
240K
3
0
5
L
n
2
8
V
0
.
3
_
R
O
T
O
M
_
G
E
R
V
3
0
8
0
0
2
0
Y
S
U
E
0
0
1
M
S
5
0
5
U
9
5
4
6
3
7
2
8
1
N
E
1
V
N
I
S
S
S
V
E
P
Y
T
C
C
V
T
C
O
2
V
PG
N
D
4
0
5
L
n
2
8
N
E
_
R
O
T
O
M
_
N
I
L
M
W
P
_
T
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M
_
N
I
L
R
E
V
I
R
D
R
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T
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M
R
A
E
N
I
L
1%
3
0
6
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C
.
v
e
R