LG GM750 Service Manual page 203

9. PCB LAYOUT
CN603 Touch Window
Conn.Touch Window is not
operating.No Icon selection
U501 Proximity Sensor Can
not control the screen's on/off
operation automatically.
LGE Internal Use Only
C N 6 0 3
U 5 0 1 U 6 0 1 U 5 0 3
C 5 3 2
C 5 3 4 R 5 2 3
L D 5 0 2
M C I 5 0 1
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U503 Luminance Sensor.
Can not control the screen's
brightness automatically.
U601 VGA Camera.Can not
operate VGA Camera.
MIC501 MIC.Can not record or
send user voice.
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