LG CE110 Service Manual page 69

4. TROUBLE SHOOTING
LGE Internal Use Only
START
Power is supplied to
the board?
Yes
U200 LCD control out
Pin signals OK?
( LCD_Data, CS, RST,WR)
Yes
Connection between
Module and PCB is OK?
Yes
CN401 is soldered well?
Yes
CN1 Paths of LCD control
signals are OK?
Yes
After changing the board,
LCD Display is OK?
Yes
The board is broken.
Change the board.
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No
Refer to
Power On Trouble
No
U200 Resolder
No
Reconnect LCD
Module
No
Resolder the CN401
No
Resolder
CN1, CN3
LCD Module is
No
out of order.
Change the
LCD Module.
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