Table of Contents
Advertisement
4. TROUBLE SHOOTING
CHECKING FLOW
Is the connection of
CN303with LCD connector ok ?
YES
Check the
Voltage Level of
TP1 is about Battery voltage ?
(SWIF signal is high Level)
YES
Check the Waveform of
EMI filter ?
YES
Does LCD work
properly ?
YES
LCD working well !
LGE Internal Use Only
START
4. TROUBLE SHOOTING
NO
Reassemble LCD connector
NO
Resoldering or Replace U301
NO
Resoldering EMI filter.
(FL302,FL304,FL305)
NO
Replace LCD module
- 82 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Advertisement
Table of Contents
