LG T5100 Service Manual page 44

START
Power is supplied to the board ?
Yes
Connection between FPCB and
board is OK?
Yes
CN501 is soldered well?
Yes
Paths of LCD control signals are
OK?
Yes
FPCB is OK ?
Yes
Connection between FPCB and
LCD Module is OK?
Yes
After changing the board, LCD
Display is OK ?
Yes
LCD Module is out of order.
Change the LCD Module.
( Trouble Shooting Procedure Flow Chart )
3. BASEBAND PART TROUBLE SHOOTING
Refer to Power On
No
trouble
No
Reconnect FPCB
No
Resolder the CN501
Resolder the R502, R750,
No
R770,FL500,FL501,
FL503,FL505,FL506
No
Replace the FPCB
Resolder the
No
connector of LCD
Module
No
The board is broken.
Change the board.
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