![Nokia N 80 User Manual Download Page 219](http://html.mh-extra.com/html/nokia/n-80/n-80_user-manual_254523219.webp)
Table of Contents
Introduction to RF troubleshooting
Introduction to Rx troubleshooting
GSM Rx chain activation for manual measurements / GSM RSSI measurement
........................................
WCDMA Rx chain activation for manual measurement
...............................................................................
WCDMA receiver troubleshooting
General instructions for Tx troubleshooting
................................................................................................
GSM transmitter troubleshooting
WCDMA transmitter troubleshooting
Power amplifier (PA) and switch mode power supply (SMPS) troubleshooting
............................................
Required manual tunings after component changes
.............................................................................
System mode independent manual tunings
...........................................................................................
PA (power amplifier) detection
Temperature sensor calibration
Rx band filter response compensation (GSM)
....................................................................................
Tx AGC & power detector (WCDMA)
Tx band response calibration (WCDMA)
..............................................................................................
WLAN transmitter troubleshooting
List of Tables
Table 11 RF channel filter calibration tuning limits
.........................................................................................
Table 12 Temperature sensor calibration tuning limits
..................................................................................
RM-91; RM-92
RF Troubleshooting and Manual Tuning Guide
Nokia Customer Care
Issue 1
COMPANY CONFIDENTIAL
Page 7 –3
Copyright © 2006 Nokia. All rights reserved.