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CHECKING FLOW
START
Is the connection of
FPCB with connector on
PCB(CON402) ok ?
YES
Check the connection LCD
module with connector
On FPCB ?
YES
Check the soldering of
CON402 ?
YES
Change the FPCB and try again
YES
Check the soldering of
EMI filter ?
YES
Does LCD work
properly ?
YES
LCD working well !
4. TROUBLE SHOOTING
NO
Reassemble FPCB with CON402 connector
NO
Reassemble LCD module with connector on FPCB
NO
Resoldering CON402
NO
Resoldering EMI filter(LCD_DATA)
NO
Replace LCD module
-55-
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