Camera Direction Detection Trouble - LG U8290 Service Manual

4.19 Camera Direction Detection Trouble

Camera direction detection is worked as below :
Camera direction change Event → CAM_SENSE(TR400 pin 2) is triggered(On : about 2.1V, Off : 0V)
→ MSM6250 Sense the Camera direction change Event
Start
Change t he camera direct ion
CAM_SENSE is 0V?
R403 is 2.6V?
Change t he Camera
Sense is OK?
Change th e Main B'd
Yes
NO
NO
Check R403
Yes
Yes
NO
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4. TROUBLE SHOOTING
Sense is OK?
NO
Change th e Main B'd
END
Yes
END