Motion Sensor On/Off Trouble - LG -P990 Service Manual

4.19 Motion Sensor on/off trouble

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 AP0 controls normally. Therefore if the motion sensor is damaged,
change the motion sensor IC or main borad.
START
Moeion sensor function check (Screen
rotation function is working or not?)
Function is OK?
Change the IC(U1105)
Function is OK?
Change the main board
Fnction is OK?
LGE Internal Use Only
Yes
END
Yes
END
Yes
END
- 143 -
4. TROUBLE SHOOTING
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes