Only For Training And Service Purposes - LG KG290 Service Manual

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4. TROUBLE SHOOTING
CHECKING FLOW
Is the connection of
FPCB with connector on
PCB(CN700) ok ?
YES
Check the soldering of
YES
Check Connection LCD FPCB
YES
Check the soldering of
EMI filter ?
YES
Does LCD work
YES
LCD working well !
LGE Internal Use Only
START
CN700 ?
properly ?
NO
Reassemble FPCB with CN700 connector
NO
Resoldering CN700
NO
Resoldering EMI filter(FL703~FL707)
NO
Replace LCD module
Copyright © 2007 LG Electronics. Inc. All right reserved.
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Only for training and service purposes

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