Table of Contents
Advertisement
CHECKING FLOW
Is the connection of
FPCB with connector on
PCB(CN101) ok ?
YES
Is Voltage pin3 of U103 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 !
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
START
NO
NO
NO
CN101 ?
NO
EMI filter ?
NO
properly ?
4. TROUBLE SHOOTING
Reassemble FPCB with CN101 connector
Replace U103
Resoldering CN101
Resoldering EMI filter(FL101~FL105)
Replace LCD module
- 61 -
LGE Internal Use Only
Advertisement
Table of Contents
