LG LG-V909DW - 4.18 Motion sensor troubleshooting

4. TROUBLE SHOOTING
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4.18 Motion sensor troubleshooting
When the motion sensor does not work, the reason is chip problem. If the motion sensor IC is damaged, it will do
not work even thought power is supplied and T20 controls normally. Therefore if the motion sensor is damaged,
change the motion sensor IC or main board.
Start
Motion Sensor function chec
k
(Screen rotation function is
working or not?)
Function is OK?
Change the IC (U901)
Function is OK?
Change the main board
Function is OK?
END
END
END
Yes
No
No
Yes
Yes