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RM-210
RF troubleshooting
Figure 14 General voltage checking test points (main board, top side)
Receiver troubleshooting
Introduction to receiver (RX) troubleshooting
RX can be tested by making a phone call or in local mode. For the local mode testing, use Phoenix service
software.
The main RX troubleshooting measurement is RSSI reading. This test measures the signal strength of the
GSM RX chain activation for manual measurements/GSM
received signal. For GSM RSSI measurements, see
RSSI measurement . For a similar test in WCDMA mode, see WCDMA RSSI measurement .
GSM RX chain activation for manual measurements/GSM RSSI measurement
Prerequisites
Make the following settings in Phoenix service software and in the signal generator:
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