Chapter 4. Trouble Shooting - LG VX11000 Service Manual

VX11000
4.1 Rx Part Trouble
4.1.1 DCN Rx
Rx TEST SETUP (HHP)
- Test Channel: 384
- Test Band : US Cellular
- SID: 28
- Sector Power: - 30 dB m Spectrum Analyzer Setting
Oscilloscope Setting
DC Power Supply circuit
LG Electronics Inc.

CHAPTER 4. Trouble Shooting

CHAPTER 4. Trouble Shooting
VCTCXO
Start
1. Check
2. Check
VCTCXO
Test Point
Test Point
RTR6500
Quintplex
Check flow
Check flow
3. Check
Control signal,
RF Signal path
NO
4. Check
Rx I/Q data
Redownload S/W, Cal
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