User Guide

Table of Contents
General RF troubleshooting ..................................................................................................................................4–5
Introduction to RF troubleshooting ................................................................................................................4–5
RF key components and test points ................................................................................................................4–5
Auto tuning.............................................................................................................................................................4–5
Introduction to RF tunings...............................................................................................................................4–5
Auto tuning........................................................................................................................................................4–6
Self Test Troubleshooting......................................................................................................................................4–6
Self test troubleshooting..................................................................................................................................4–6
Receiver Troubleshooting .....................................................................................................................................4–8
Introduction to receiver (RX) troubleshooting...............................................................................................4–8
GSM RX chain activation for manual measurements/GSM RSSI measurement ...........................................4–8
WCDMA RX chain activation for manual measurement.................................................................................4–9
WCDMA RSSI measurement ..............................................................................................................................4–9
Transmitter Troubleshooting............................................................................................................................. 4–10
General instructions for transmitter (TX) troubleshooting........................................................................ 4–10
GSM transmitter troubleshooting................................................................................................................. 4–10
WCDMA transmitter troubleshooting ........................................................................................................... 4–13
Antenna Troubleshooting .................................................................................................................................. 4–14
Antenna troubleshooting.............................................................................................................................. 4–14
List of Figures
Figure 25 Phoenix GSM RSSI reading window.....................................................................................................4–8
Figure 26 Phoenix WCDMA RX Control window...................................................................................................4–9
Figure 27 WCDMA RX generator settings .......................................................................................................... 4–10
Figure 28 Phoenix WCDMA RX power measurement window ........................................................................ 4–10
Figure 29 Phoenix GSM RF controls window..................................................................................................... 4–11
RM-412; RM-413
RF Troubleshooting
Issue 1 COMPANY CONFIDENTIAL Page 4 –3
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