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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
4.15 Vibrator
Vibrator is operate when DC motor driver(audio amp) is enabled.
Start
Operate the Vibrator
NO
YES
END
working?
Change vibrator or Change
the Main PCB
NO
YES
[ FPCB(near receiver) ]
Solder the wire on to FPCB
NO
YES
Change the FPCB
VPWR above 3.2V
And
MOTOR_POWER_N
below 1V?
MOTOR_POWER_N
+VPWR
Wired Vibrator to FPCB
”VIB”?
Change vibrator or Change
the Main PCB