LG GX500 Service Manual page 87

4. TROUBLE SHOOTING
GX500 Operational Description
Figure 4-21. Vibrator
Checking Flow
START
Check Vibrator sodering
Yes
Pin1 of
U204(VIB EN) is
Yes
Pin3 of U204(VIB)
is high?
Yes
Replace Vibrator
Assemble
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Check the vibrator soldering
Check FPCB_LCD or
No
replace it
No
Replace Main Board
No
Replace U204
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