Chapter 4. Trouble Shooting; Rx Part Trouble Shooting; Dcn Rx - LG VX8610 Service Manual

VX8610
4.1 Rx Part Trouble

4.1.1 DCN Rx

Rx TEST SETUP (Joyphone)
- Test Channel: 384
- Test Band : US Cellular
- SID: 2004
- Sector Power: - 30 dBm Spectrum Analyzer Setting
Oscilloscope Setting
1. Check
DC Power Supply circuit
2. Check
VCTCXO
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Only for training and service purposes

CHAPTER 4. Trouble Shooting

CHAPTER 4. Trouble Shooting
RFR6500
Mobile S/W
Start
Test Point
Test Point
VCTCXO
Mobile
S/W
- 35 -
Check flow
Check flow
3. Check
Control signal
4. Check
RF Signal path
NO
5. Check
Rx I/Q data
Redownload S /W , Cal
LGE Internal Use Only