4. TROUBLE SHOOTING
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4.13 VGA Camera Trouble Shooting
VGA camera control signals are generated by MSM7227A.
Check the camera connector
and reconnect the camera
Camera is OK?
No
Follow the Power ON
trouble-shooting
Yes
Yes
Check IOVDD(TP4),
AVDD(TP5)
START
Yes
Yes
Change the camera
No
Change the Main board
Change the Main board
No
Check the EMI
Filter(FL901)
MSM7227A output
signal check
MCLK(TP1), Reset(TP2),
PWDN(TP3)
Camera is OK?
No
END
Yes
No