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Checking Flow
Is the connection of
FPCB with connector on
PCB(CN700) ok ?
YES
Is Voltage pin8 of U405 2.8V?
YES
Check the soldering of
YES
Change the FPCB and try again
YES
Check the soldering of
YES
Does LCD work
YES
LCD working well !
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START
NO
NO
NO
CN700 ?
NO
EMI filter ?
NO
properly ?
4. TROUBLE SHOOTING
Reassemble FPCB with CN700 connector
Replace U405
Resoldering CN700
Resoldering EMI filter
(FL700,FL701,FL702,FL703,FL705,FL707)
Replace LCD module
- 59 -
LGE Internal Use Only
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