Vibrator Trouble - LG U830 KU830 Service Manual

4.19 Vibrator trouble

Vibrator control signal (MOTOR_PWR-) is generated by PM6650. That signal°Øs path is :
Pin 25 of PM6650 → CN801 PIN 36 of Main PCB → CN101 PIN 36 of LCD Sub PCB
→ TP103 of LCD Sub PCB
Donít working?
Vibrator Solderling
and vibrator itself OK?
Is the LCD Wire Connector
appropriately Connected?
Change the LCD Sub PCB
Change the Main PCB
CN801 of Main PCB
Start
The vibrator
YES
NO
YES
NO
YES
NO
YES
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4. TROUBLE SHOOTING
Resolder Vibrator
Or Change the Vibrator
Connect LCD Wire Connetor
Change the LCD Module
Vibrator Soldering Check Point
CN101 of LCD Sub PCB
1
40