Table of Contents
Introduction to RF Troubleshooting.................................................................................................................... 4–5
Non re-workable RF Components........................................................................................................................ 4–5
Maintenance Overview.......................................................................................................................................... 4–5
........................................................................................................................................................................... 4–5
Maintenance step 1.......................................................................................................................................... 4–6
Maintenance step 2.......................................................................................................................................... 4–6
Maintenance step 3.......................................................................................................................................... 4–6
Maintenance step 4.......................................................................................................................................... 4–7
Maintenance working flow................................................................................................................................... 4–7
Overview ........................................................................................................................................................... 4–7
Case 1: All Self Tests Passed ............................................................................................................................ 4–7
Case 2: X-Tal, Antenna detection and FEM ID Self-Test Failed...................................................................... 4–7
Case 3: RF Internal Loopback failure .............................................................................................................. 4–8
Maintenance step 1—Self test ............................................................................................................................. 4–8
Maintenance step 1 — Self test ...................................................................................................................... 4–8
Maintenance step 2 –Debugging and troubleshooting..................................................................................... 4–9
Maintenance step 2 –Debugging and troubleshooting................................................................................ 4–9
Visual inspection check flow........................................................................................................................... 4–9
RF Troubleshooting: X-Tal debug check flow............................................................................................. 4–10
RF Troubleshooting: Antenna detection check flow.................................................................................. 4–11
RF Troubleshooting: AFC troubleshooting.................................................................................................. 4–13
Receiver troubleshooting............................................................................................................................. 4–13
Receiver troubleshooting overview ....................................................................................................... 4–13
RX LB troubleshooting ............................................................................................................................. 4–14
RX HB troubleshooting............................................................................................................................. 4–18
Transmitter troubleshooting ....................................................................................................................... 4–19
Transmitter troubleshooting overview ................................................................................................. 4–19
TX LB troubleshooting ............................................................................................................................. 4–21
TX HB troubleshooting............................................................................................................................. 4–24
Maintenance step 3- Local mode verification and calibration ...................................................................... 4–26
Maintenance step 3- local mode verification and calibration .................................................................. 4–26
Maintenance step 4 –Signalling mode test...................................................................................................... 4–27
Maintenance step 4 –Signalling mode test................................................................................................. 4–27
NOKIA CARE SUITE Testing and Tuning Tool..................................................................................................... 4–27
General ........................................................................................................................................................... 4–27
General ...................................................................................................................................................... 4–27
Preparation.................................................................................................................................................... 4–28
Preparation............................................................................................................................................... 4–28
Installation..................................................................................................................................................... 4–29
Installation................................................................................................................................................ 4–29
Install testing and tuning tool................................................................................................................ 4–29
Launching Care Suite Testing and tuning Tool .......................................................................................... 4–35
You can launch Care Suite in the following ways: ................................................................................ 4–35
Layout........................................................................................................................................................ 4–36
Configuration of testing and tuning tools.................................................................................................. 4–40
Configure connections between phone and PC .................................................................................... 4–40
Preferences ............................................................................................................................................... 4–41
RF tuning........................................................................................................................................................ 4–45
................................................................................................................................................................... 4–45
RF testing ....................................................................................................................................................... 4–48
RM-761; RM-799; RM-800
RF Troubleshooting
Issue 1 COMPANY CONFIDENTIAL Page 4 – 3
Copyright © 2011 Nokia. All rights reserved.
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