CCS Technical Documentation
Table of Contents
RF Troubleshooting ....................................................................................................... 4
Introduction ..................................................................................................................4
EQUIPMENT NEEDED:.......................................................................................... 4
USEFUL HINTS ....................................................................................................... 4
RX Calibration .......................................................................................................... 5
TX Power Level Tuning............................................................................................ 5
TX IQ Tuning............................................................................................................ 5
TX 850 Troubleshooting ..............................................................................................6
Phoenix commands ................................................................................................... 6
Phoenix commands ................................................................................................... 9
RX850 troubleshooting ..............................................................................................12
Phoenix commands ................................................................................................. 12
RX1900 Troubleshooting ..........................................................................................15
Phoenix commands ................................................................................................. 15
Introduction ............................................................................................................. 35
EQUIPMENT NEEDED......................................................................................... 35
FM RADIO SCHEMATICS ......................................................................................36
FM Radio layout...................................................................................................... 39
PWB Test points ........................................................................................................45
Troubleshooting steps ................................................................................................51
Phone is dead .............................................................................................................55
Flash faults .................................................................................................................56
Phone is jammed ......................................................................................................58
Charging fault ............................................................................................................60
SIM card fault ............................................................................................................61
Audio faults ...............................................................................................................62
Display faults .............................................................................................................70
Keypad faults .............................................................................................................72
Flip faults ...................................................................................................................76
FM Radio doesn't work .............................................................................................78
Issue 1 04/03
Nokia Corporation
Troubleshooting Instructions
NSB-9
Page No
Page 3