Table of Contents
Introduction to RF troubleshooting
Introduction to receiver (RX) troubleshooting
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GSM RX chain activation for manual measurements/GSM RSSI measurement
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WCDMA RX chain activation for manual measurement/WCDMA RSSI measurement
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General instructions for transmitter (TX) troubleshooting
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GSM transmitter troubleshooting
WCDMA transmitter troubleshooting
Bluetooth and FM radio troubleshooting
List of Figures
Figure 14 Auto tuning concept with CMU200
Figure 15 General voltage checking test points (main board, top side)
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Figure 16 RX Control window with example settings
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Figure 18 Troubleshooting diagram: Bluetooth
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RM-240
RF troubleshooting
Issue 1
COMPANY CONFIDENTIAL
Page 4 –3
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