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Nokia Customer Care
RF key components
Receiver troubleshooting
Introduction to RX troubleshooting
Rx can be tested by making a phone call or in the local mode. For the local mode testing, use Phoenix service
software.
The main Rx troubleshooting measurement is RSSI measurement. This test measures the signal strength of
the received signal. I and Q branches can be measured separately.
Page 7 –6
Figure 42 RF key components, bottom side main board
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
RF Troubleshooting and Manual Tuning Guide
RM-217; RM-222
Issue 1
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