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4. TROUBLE SHOOTING
VGA START
Check the camera & 70-pin
main conn.
And reconnect these connectors
Camera is OK?
NO
STN8810 output signal check
(VGA_RSTn, VGA_STNADBY)
Check AP_VDD_CAM_2.7V,
AP_VDD_CAM_1.8V
NO
Check master clock
(CAMCLK_27MHZ : R206)
Check the EMI/ESD filter
Check the CCIRCLK
Camera is OK
Change the Main board
LGE Internal Use Only
Yes
NO
Yes
NO
Yes
Yes
NO
(FL201 #1)
Yes
NO
(R719)
Yes
Yes
NO
End
Change the LDO (U301, U303)
Change the Filter (FL201)
Check the CCIRCLK (in FPCB)
(R104 in slider FPCB))
Yes
Change the camera
End
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No
Change the slider FPCB
Only for training and service purposes
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