Table of Contents
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RM-313
RF troubleshooting
General RF troubleshooting ..................................................................................................................................4-5
Introduction to RF troubleshooting ................................................................................................................4-5
RF key components ...........................................................................................................................................4-6
Auto tuning for BB5.0 ............................................................................................................................................4-6
General checkings...................................................................................................................................................4-7
Antenna line component checking..................................................................................................................4-7
Voltage checking ...............................................................................................................................................4-7
troubleshooting....................................................................................................................................
GSM RX chain activation for manual measurements/GSM RSSI measurement
troubleshooting.................................................................................................................
List of Figures
Figure 30 Auto tuning concept with CMU200......................................................................................................4-7
Figure 31 General voltage checking test points..................................................................................................4-9
Figure 32 RX Control window with example settings
Figure 33 Typical readings
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COMPANY CONFIDENTIAL
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Troubleshooting
