3Mff Camera Trouble Shooting - LG -E400 Service Manual

4.12 3MFF Camera Trouble Shooting

3M camera control signals are generated by MSM75A.
No
No
LGE Internal Use Only
START
Check the camera Conn.
and reconnect the camera
Camera is OK?
No
MSM 77 output
signal check MCLK(TP1), Reset(TP),
PWDN(TP3)
Yes
Check IOVDD(TP4),
DVDD(TP5), AVDD(TP6)
Yes
Check the EMI Filter
(FL505)
Yes
Change the camera
Camera is OK
No
Change the Main board
Yes
No
Yes
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4. TROUBLE SHOOTING
END
Change the EMI Filter
(FL505)
END
Only for training and service purposes