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4. TROUBLE SHOOTING
CHECKING FLOW
START
Does the LCD itself
Has no trouble ?
YES
NO
Change the camera
module, Does it work
properly ?
YES
It’s camera module’s problem
Replace the camera module
Check the voltage
of TP1 is 2.8V ?
and
Voltage of TP2 of
U404 is 1.8V ?
YES
Check the signals of the
FL400,FL401,FL402
YES
Camera will work properly
NO
NO
Go to the LCD trouble
Replace
FL400,FL401,FL402
NO
Is the voltage at
TP3 high?
NO
Replace
U400
YES
Replace
U404