LG KG290 - Page 75

- 76 -
4. TROUBLE SHOOTING
LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CHECKING FLOW
START
Is the connection of
FPCB with connector on
PCB(CN700) ok ?
YES
NO
Reassemble FPCB with CN700 connector
Check the soldering of
CN700 ?
NO
Check Connection LCD FPCB
YES
YES
Check the soldering of
EMI filter ?
Resoldering CN700
NO
Resoldering EMI filter(FL703~FL707)
Does LCD work
properly ?
NO
Replace LCD module
YES
LCD working well !
YES