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