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Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
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CHECKING FLOW
4. TROUBLE SHOOTING
Is the connection of
CN402 with Camera ok ?
Check the
each voltage Level of
C402( 2.8V), C420( 1.8V) is right ?
(SWIF signal is high Level)
Does Camera work
properly ?
Check the Waveform of
I2C_CLK, I2C_DATA,
CAM_MCLK(26MHz) ?
Check the Waveform of
Data pins on CN402?
START
Camera working well !
NO
Reassemble camera connector
with camera.
NO
YES
YES
Resoldering or Replace U402
NO
Replace U101 or Change the board
YES
YES
YES
NO
Replace U101 or
Change the board
NO
Replace Camera Module.