Table of Contents
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RM-237
RF Troubleshooting and Manual Tuning Guide
Introduction to RF troubleshooting .....................................................................................................................7-5
RF key components ................................................................................................................................................7-6
Receiver troubleshooting ......................................................................................................................................7-6
Introduction to RX troubleshooting ................................................................................................................7-6
General instructions for RX troubleshooting..................................................................................................7-7
Receiver (RX) troubleshooting .........................................................................................................................7-8
troubleshooting..............................................................................................................................
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tunings...........................................................................................................................................
tunings.....................................................................................................................................
(GSM)..........................................................................................................................................
List of Tables
Table 12 Rf channel filter calibration tuning limits
Table 13 RF tuning limits in Rx
List of Figures
Figure 42 RF key components, bottom side main board ...................................................................................7-6
Figure 43 RF Controls window ..............................................................................................................................7-8
Figure 44 RSSI Reading window
Figure 45 RF Controls window
Figure 46 Location of the GSM and BT antenna C-clips on the
Figure 47 GSM and BT antenna contact pads on the antenna module
Figure 48 Antenna C-clips on the PWB
Figure 49 Auto tuning concept with
Figure 50 Rf channel filter calibration typical values
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calibration.......................................................................................................
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CMU200...................................................................................................
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measurement.......................................
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Chapters
Table of Contents
Troubleshooting
