LG KF350 Service Manual page 79

4. TROUBLE SHOOTING
START
Check Vibrator sodering
No Check
C100 of FPCB_Folder
FPCB_Folder or
is high?
replace it
Yes
Check FPCB_LCD
Pin1 of U100(VIB_EN) No
or replace it
is high?
Yes
No
Pin3 of U100(VIB) is
high?
Yes
Replace Vibrator
Assemble
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