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Checking Flow
START
Power is supplied to
the board?
Connection between
Module and board is OK?
MAIN CN501, FPCB CN3,CN1
is soldered well?
Paths of LCD control
signals are OK?
After changing the board,
LCD Display is OK?
LCD Module is out of order.
Change the LCD Module.
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
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4. TROUBLE SHOOTING
Refer to
Power On Trouble
Reconnect LCD
Module
Resolder the
MAIN CN501, FPCB
CN3,CN1
Resolder
FL501~FL506
The board is broken.
Change the board.
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