LG KG330 Service Manual page 33

4. TROUBLE SHOOTING
LCD Display Trouble (2)
START
Power is supplied to
the board?
Yes
Connection between
LCD Module and boards
is OK?
Yes
C704 is soldered well?
Yes
Paths of LCD control
signals are OK?
No
Refer to
Power On Trouble
No
Reconnect FPCB
No
Re-solder the C704
Re-solder
No
the EMI filter
(FL700,FL701, FL702,
FL703,FL704)
- 34 -
LCD Module is out
of order.
Change the LCD
Module.
Yes
After changing the board,
LCD Display is OK?
Yes
No
The board is broken.
Change the board.