LG GT500 - Camera Trouble

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Only for training and service purposes
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4. TROUBLE SHOOTING
4.6 Camera Trouble
Camera control signals are generated by DB3200 with ISP
4.6.1 5M Camera
START
Press END Key
to turn on the power
Is the circuit powered?
Reconnect the 5M 24pin
B to B connector
5M Camera’s Operation is OK?
Change 5M Camera
Follow the Power On Trouble
Shooting
YES
NO
YES
5M Camera Works
NO
Change U603
YES
NO
Pin8 of U603 or C627=2.8V?
Pin7 of U603 or C628=1.8V?
1
2
Change Main Board