LG -A290 Service Manual page 82

START
Is the connection of CN30
with Camera ok ?
Yes
Check
the each voltage Level of
TP1(.8V), TP(1.8V),
is right ?
Yes
Check the Waveform of
IC_CLK1, IC_DATA1 ?
Yes
Check the Waveform of
CAM_MCLK(13MHz) ?
Yes
Check the Waveform of
Data pins on CN30 ?
Yes
Check the Waveform of
EMI filter ?
Yes
Does Camera work
properly ?
Yes
Camera working well !
LGE Internal Use Only
No
Reassemble camera connector
No
Replace U101(If TP1 is not .8V),
No
No
No
No
No
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4. TROUBLE SHOOTING
with camera.
Resoldering or
U03(If TP is not 1.8v)
Resoldering TP5, TP6
Change the board
Replace Camera Module.
Resoldering EMI filter.
(TP3, TP4)
Replace U101 or
Change the board
Only for training and service purposes