4. TROUBLE SHOOTING
- 71 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Check TP1(L120) at FL103
Check if there is any major difference referring
To Figure 4.1.1(b) Is any signal detected at
that point?
START
DPX is OK. See next page to check PAM
Check C164, L120
Replace FL103
Yes
Yes
Is any signal detected at
that point?
No
No
4.2.1.4 Checking RF signal path (DPX)
Figure 4.1.1 (b)