LG KG300 Service Manual page 36

Camera Problem
Start
YES
Check Camera and J201
YES
Check C222=1.8V? C223=2.8V?
Or check U400
YES
Check TP201, TP202, TP205
YES
Camera will work properly
C223 C222
J201
NO
change Camera and J201
NO
Replace C222 and C223
NO
Replace R223, R224
TP205
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4. Troubleshooting
TP202
TP201