4. TROUBLE SHOOTING
- 69 -
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4.12 3MFF Camera Trouble Shooting
3M camera control signals are generated by MSM7225A.
Check the camera Conn.
and reconnect the camera
Camera is OK?
No
Change the Main board
END
Yes
START
Yes
Camera is OK
No
No
Yes
Change the camera
Yes
END
Change the EMI Filter
(FL5001)
No
No
Yes
MSM 7227 output
signal check MCLK(TP1), Reset(TP2),
PWDN(TP3)
Check IOVDD(TP4),
DVDD(TP5), AVDD(TP6)
Check the EMI Filter
(FL5001)