3. TROUBLE SHOOTING
- 30 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3.6.1 Checking RF PRx Level
START
Replace Main B’d
Check TP1,2,3,4,5,14
Signal Exist?
Check TP6,7,8,9,10,11
Signal Exist?
Check TP12,15
Signal Exist?
Duplexer, Filter is OK
FEMid is OK
Coupler is OK
YES
YES
YES
NO
NO
NO