4. DOWNLOAD
- 27 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3.1.1.3 Checking RF signal path (FEM)
Yes
Yes
Yes
Yes
No
No
No
No
START
CheckTP1(C1101)at U1100
sheck if there is any major diference referring
To Figure 4.1.1(d)sany sigmal detected at
that point?
check TP2 at U1100
Check if there is any major diernce trferring
To Figure 4.1.1(c). Is any signal dettected at
that point?
Is any signal detected at
that point?
FEM is OK. See next page to check DPX
Check anything
Replace U1100
Check TP3(R1101),TP4(R1102),
TP5(R1104), TP6(R1105) at U1100.
Is any DC signal detected
at that points?
Check anything
The Problem may be Logic part
Refer to Logic troubleshoot
To Next Page
Loading...
