Vibrator Trouble - LG GX500 Service Manual

GX500 Operational Description

4.8 Vibrator trouble

Check Points
-Vibrator soldering
-IC is working correct
LIN_MOTOR_EN
TP206
Figure 4-19. LINEAR MOTOR DRIVER Circuit
Figure 4-20. Vibrator Driver
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Only for training and service purposes
LG Electronics
LINEAR MOTOR DRIVER
EUSY0200803
Rev.B
R220
U204
10K
1 8
EN V1
2 7
SIN VSS
3 6
TYPE VCC
4 5
OCT V2
1%
R223
10K
Check the driver IC(U204) of
sub boarad
87/143
4. TROUBLE SHOOTING
2V8_VVIB
CLOSE TO CONN
VA202
C251 C250
3.9n 1u
- 87 -
Revision A
VB201
L204 100n
1
L203 100n
2
VA201
LGE Internal Use Only
LGE Property