Camera Trouble - LG U300 Service Manual

4. TROUBLE SHOOTING

4.12 Camera Trouble

Camera control signals are generated by MSM6250A and directly connected with MSM6250A.
Start
Check the camera conn. and
reconnect the camera
Camera is OK?
Check VREG_CAM_2.7V,
VREG_CAM_1.8V
Check the DSP_CLK
(FB500)
Change the camera
Camera is OK?
Change the Main board
CAM_1.8V
Camera
connector
CAM_2.7V
FB500
Yes
NO
NO
Change the U500
Yes
NO
Change the Main board
Yes
Yes
NO
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END
END
U500 (Dual LDO for Camera)