LG GT540 Service Manual page 136

4.16.2 Camera & Search Key FPCB 4.16.2 Camera & Search Key FPCB
Camera Key is composed of Focus, Shutter and Quick Search Menu. Camera Key is composed of Focus, Shutter and Quick Search Menu.
TP1(VA600), TP2(VA604)
& TP3(VA607) are high?
Change the Main board and Reset
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Only for training and service purposes
START
Key Press
TP4(VA603) is low?
No
Figure. Volume key Troubleshooting Flow Figure. Volume key Troubleshooting Flow
Figure. Camera Key TEST Point Figure. Camera Key TEST Point
Yes
Change the camera key FPCB
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4. Trouble Shooting
LGE Internal Use Only