
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 83 -
START
NO
NO
YES
YES
TP1, TP2, TP3, TP4
Signals exits?
Rx still has problems?
Re-download &
Calibration
Check ANT.SW
Module(U100) and
soldering of TPs
GSM850/GSM900/
DCS/PCS Rx is OK
Summary of Contents for CU405
Page 1: ...Date May 2007 Issue 1 0 Service Manual Model CU405 Service Manual CU405 Internal Use Only ...
Page 175: ...Note ...
Page 176: ...Note ...