4. TROUBLE SHOOTING
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CHECKING FLOW
4. TROUBLE SHOOTING
Is the connection of
CN305 with Camera ok ?
Check the
each voltage Level of TP04(2.8V)
and TP05,TP06(1.8V) is right ?
(LED_PWM signal
is high Level)
Does Camera work
properly ?
Check the Waveform
of I2C_CLK(TP07), I2C_DATA(TP08),
CAM_MCLK(26MHz) ?
Check the Waveform of
Camera socket pin ?
Check the Waveform of
Data pins on CN305?
START
Camera working well !
NO
Reassemble camera connector
with camera.
NO
YES
YES
Resoldering or Replace U302
NO
Replace U102 or Change the board
YES
YES
YES
YES
NO
Replace U102 or Change the board
NO
Resoldering Camera socket.
(CN305)
NO
Replace Camera Module.