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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Is the connection of
CN300 with Camera ok ?
Check the each voltage Level of
C336(1.8V), C330(2.8V), C329(1.5V) is right ?
(SWIF signal is high Level)
Check the Waveform of
I2C_CLK, I2C_DATA ?
Does Camera work
properly ?
Check the Waveform of
CAM_MCLK(26MHz) ?
Check the Waveform of
EMI filter ?
Check the Waveform of
Data pins on CN104 ?
START
Camera working well !
CHECKING FLOW
NO
Reassemble camera connector
with camera.
NO
NO
YES
YES
Resoldering or Replace U303, 304
NO
Resoldering R305, R307
Replace U101 or Change the board
YES
Figure 4-x.
YES
YES
YES
NO
Replace U101 or Change the board
YES
NO
Resoldering EMI filter.
(FL300, FL302,FL304)
NO
Replace Camera Module.
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