Vga Camera - LG U400 Service Manual

4. TROUBLE SHOOTING

4.6.2 VGA Camera

Press END Key
to turn on the power
Is the circuit powered?
1
Reconnect the 60pin BtoB connector
CN901 and VGA 20 pin Camera Connector
YES
VGA Camera Operation OK?
2
Pin 4 of U902 or R933 = 2.8V?
Change VGA Camera
VGA Camera Operation OK?
VGA Camera Works
START
YES
NO
YES
YES
NO
Follow the Power On Trouble
NO
NO
Change the Camera&LCD FPCB
Change the Main Board
- 100 -
Shooting
Change U902
NO
NO