LG VX8500 Service Manual page 39
Dual band cdma pcs/cellular/w/gps cdma mobile phone
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Also See for VX8500:
- Quick start manual (13 pages) ,
- Datasheet (2 pages) ,
- Guía de inicio rápido (12 pages)
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VX8500
CHAPTER 4. Trouble Shooting
4.1 Rx Part Trouble
4.1.1 DCN RX
Test Point
Checking Flow
START
Rx TEST SETUP (HHP)
- Test Channel: 384
- Test Band: US Cellular
- SID:
- Sector Power: -30 dBm
Spectrum Analyzer Setting
Oscilloscope Setting
1. Check
DC Power supply circuit
2. Check
VCTCXO Circuit
LG Electronics Inc.
Mobile S/W
Diplexer
PCS_Duplexer
DCN_Duplexer
VCTCXO
2004
47
RFR6500
3. Check
Control signal
4. Check
RF Signal path
5. Check
Rx I/Q data
Redownload SW, CAL
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