LG D405 Service Manual page 90

3.10.2 VGA Camera Trouble Shooting
VGA camera control signals are generated by MSM8226
Disconnect and reconnect camera
LGE Internal Use Only
Start
connector (CN7400)
Camera is OK?
No
TP1 : 2.8V
TP2 : 1.2V
TP3 : 1.8V
Yes
TP4 : 24MHz
Yes
Change the Camera Module
Camera is OK?
Yes
END
Yes
No
No
No
Change the Main board
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3. TROUBLE SHOOTING
Only for training and service purposes