LG KG320 - GPRS Information

4. TROUBLE SHOOTING
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START
No
Power is supplied to
the board?
Yes
Refer to
Power On Trouble
Connection between
FPCB and boards is OK?
No
Reconnect
FPCB
Yes
CN102
is soldered well?
No
Re-solder the CN102
Yes
Paths of LCD control
signals are OK?(AIT811T)
No
Change the AIT811T
Yes
Paths of LCD control
signals are OK?(EMI FILTER)
No
Re-solder the EMI FILTER
Yes
After changing the board,
LCD Display is OK?
No
The board is broken.
Change the board.
Yes
LCD Module is out of order.
Change the LCD Module.
Checking Flow