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CHAPTER 4. Trouble Shooting
CHAPTER 4. Trouble Shooting
4.1 Rx Part Trouble
4.1.1 When Tx power isn't enough
Test Point
Figure 4.1-1
CHECK POINTS OF RX PART
Checking Flow
START
Rx TEST SETUP(HHP)
- Test Channel : DCN(610) or PCS (600)
E5515C Setup
- CH : DCN(610) or PCS(600)
- Sector Power : -30 dBm
Spectrum Analyzer Settiing
Oscilloscope Setting
1. Check
PMIC Circuit
2. Check
VCTCXO Circuit
3. Check
Control Signal
2
5
1
3
4. Check
Duplexer, Mobile SW
5. Check
Rx I/Q data
√
Redownload SW, CAL
4
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