PA (power amplifier) detection
Context
The PA detection procedure detects which PA manufacturer is used for phone PAs.
If a PA is changed or if the permanent memory (PMM) data is corrupted, PA detection has to be performed
before Tx tunings.
Steps
1. From the Operating mode drop-down menu, set mode to Local.
2. Choose Tuning→PA Detection .
3. Click Tune.
4. Check that the detected PA manufacturers are corresponding to the actual chips on the board.
5. To end the procedure, click Close.
GSM receiver tunings
Rx calibration (GSM)
Context
Rx Calibration is used to find out the real gain values of the GSM Rx AGC system and tuning response of the
AFC system (AFC D/A init value and AFC slope)
Steps
1. Connect the GSM connector of the module jig to a signal generator.
2. Start
Phoenix
service software.
3. From the Operating mode drop-down menu, set mode to Local.
4. Choose Tuning→GSM→Rx Calibration .
5. Check the Load from Phone check box, and uncheck Save to Phone.
6. From the Band drop-down menu, choose e.g. GSM900.
RM-88
RF Troubleshooting and Manual Tuning Guide Nokia Customer Care
Issue 1 COMPANY CONFIDENTIAL Page 7 –21
Copyright © 2006 Nokia. All rights reserved.
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