LG -E455 Service Manual page 165

Check the Signal level at TP1 (U600 )
Check the signal level at TP2 (U600)
Check the signal level at TP3 (U600)
Check the signal level at TP4 (FL601)
Check the signal level at TP5 (FL602)
Check the Antenna Clip (ANT600)
LGE Internal Use Only
START
Yes
Yes
Yes
Yes
Yes
Yes
BT-WiFi will work properly
No
No
No
No
No
No
- 165 - Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
Replace U600
Replace U600
Replace U600
Replace FL601
Replace FL602
Replace ANT600
Only for training and service purposes