LG LG-D855 - Page 122

3. TROUBLE SHOOTING
- 122 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
START
Yes
OK?
Check next step
Check TP1 Signal exist?
Check TP2 Signal exist?
Check Transceiver physical damage
or soldering condition
Check FL1801 Soldering
Check U1803 Soldering
Replace U1500
No
Not good
No
Yes