Dc Motor Trouble Shooting - LG E475F Service Manual

3.16 DC Motor Trouble Shooting

Vibrator is worked as below
Vibrator is not working well
TP1 is same voltage as VBAT?
Votage is almost 3V Between
Change thr Motor, working well ?
Measurement
VBAT
VIB_DRV_N
LGE Internal Use Only
START
Yes
TP1 and TP2
Yes
Yes
END
No
Change the Main board
No
Change the PMIC
No
Change the Main board
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3. TROUBLE SHOOTING
Only for training and service purposes