Vibrator - LG E900 Service Manual

4. TROUBLE SHOOTING

4.18 VIBRATOR

DC Motor signal's path is PM7540
Start
Reboot
Work well?
No
Motor wire soldering ok?.
( TP1 )
YES
Is MOTOR operation
voltage 3V? (TP2)
NO
Change the main board.
Test
Net name
point
TP1 Motor wire
TP2 operation voltage
LGE Internal Use Only
MAIN TO SUB connector
YES
End
NO
Change motor or
Re-solder.
Change the motor or
YES
Sub board.
Voltage level
Visual check
3V
- 10 -
Sub PCB -> Motor
TP2
-
TP1
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