LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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START
Is the connection of
FPCB with connector on
PCB(CN300) ok ?
YES
NO
Reassemble FPCB with CN300 connector
Is Voltage pin7 of U304 2.8V?
NO
Replace U304
Check the soldering of
CN300 ?
NO
Change the FPCB and try again
YES
YES
YES
Check the soldering of
EMI filter ?
Resolder CN300
NO
Resoldering EMI filter
(FL300,FL302,FL304,FL306,FL308)
Does LCD work
properly ?
NO
Replace LCD module
YES
LCD working well !
YES
CHECKING FLOW
Содержание KP210
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