Table of Contents
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9. PCB LAYOUT
CN102
Touch panel connector
No touch sensing
U103
LCD backlight charge pump
Can't see LCD display
LCD backlight off
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U104
Touch driver IC
Abnormal touch sensing
U103
LCD backlight charge pump
Can't see LCD display
LCD backlight off
J100
USIM connector
No use phone set
Display "Inset SmartChip"
ANT100
No use BT service
Abnormal Tx,& RX power
LGE Internal Use Only
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Table of Contents
Troubleshooting
