Dc Motor Trouble Shooting - LG -E510 Service Manual

4.17 DC Motor Trouble Shooting

Vibrator is worked as below
TP1 is same voltage as VBAT?
Change Motor, working well ?
Measurement
VBAT
MOTOR_PWR_N
LGE Internal Use Only
START
Vibrator is not working well
Yes
Votage is almost 3V Between
TP1 and TP
Yes
Votage is almost 3V Between
TP3 and TP4
Yes
Yes
END
No
Change Main board
No
Change PMIC
No
Change FPCB
No
Change Main board
- 10 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
Only for training and service purposes