LG VX11000 - Chapter 4. Trouble Shooting

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LG Electronics Inc.
VX11000
CHAPTER 4. Trouble Shooting
CHAPTER 4. Trouble Shooting
4.1 Rx Part Trouble
4.1.1 DCN Rx
Test Point
Test Point
VCTCXO
RTR6500
Quintplex
Check flow
Check flow
1
.
Check
DC Power Supply circuit
2. Check
VCTCXO
Rx TEST SETUP (HHP)
- Test Channel: 384
- Test Band: US Cellular
- SID: 28
- Sector Power: -30 dBm Spectrum Analyzer Setting
Oscilloscope Setting
Start
3. Check
Control signal,
Redownload S/W, Cal
NO
RF Signal path
4. Check
Rx I/Q data