3. TROUBLE SHOOTING
- 72 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
START
No
Check next step
Yes
Check TP1/2/3/4 Signal exist?
Check U1001 Soldering
Check FL1010,1006,1008,1004
Soldering
Replace U1002
No
Not good
OK?
Check TP5/6/7/8 Signal exist?
Yes
Check Transceiver physical damage
or soldering condition