Table of Contents
Advertisement
CHECKING FLOW
START
Is the connection of
FPCB with connector on
PCB(CN301) ok ?
YES
Check the soldering of
CN301 ?
YES
Check the
V_IO voltage is 1.8V ?
YES
Check the signals of
LCD Interface from U102
YES
Does LCD work
properly ?
YES
LCD working well !
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NO
Reassemble FPCB with CN100connector
NO
Re-soldering CN301
NO
NO
NO
Replace LCD module
- 51 -
-47-
4. TROUBLE SHOOTING
Check the U101
Check the U102
LGE Internal Use Only
Advertisement
Table of Contents
Troubleshooting
