3. TROUBLE SHOOTING
- 125 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Check TP1/2/3/4
Signal is over 23dBm?
Check MMPA physical damage
or soldering condition
START
Check next step to the INPUT part
No
No
Yes
Yes
Check component above RF signal path
Check U1301 Soldering