User Guide

CCS Technical Documentation 7 - Troubleshooting Instructions
RH-26
Issue 1 02/04 ©Nokia Corporation Page 3
Table of Contents
Page No
RF Troubleshooting ....................................................................................................... 4
RF key component placement .....................................................................................6
RF measurement points ...............................................................................................7
GSM850, GSM1800 and GSM1900 Transmitter ........................................................9
General instructions for Tx troubleshooting ............................................................. 9
Transmitter troubleshooting diagram ........................................................................10
PA/antenna switch troubleshooting diagram .............................................................11
Pictures of transmitter signals ....................................................................................12
Additional Information for EDGE troubleshooting..................................................... 14
Transmitter EDGE troubleshooting diagram .............................................................15
PA & antenna switch EDGE troubleshooting diagram .............................................16
Pictures of EDGE transmitter signals ........................................................................17
GSM850, GSM1800 and GSM1900 Receiver............................................................. 18
General instructions for Rx troubleshooting ..............................................................18
Troubleshooting diagram for GSM850 receiver ........................................................20
Troubleshooting diagram for GSM1800 receiver ......................................................21
Troubleshooting diagram for GSM 1900 receiver .....................................................22
Synthesizer................................................................................................................... 23
General instructions for synthesizer troubleshooting ................................................23
Synthesizer troubleshooting diagram ........................................................................24
Pictures of synthesizer signals ...................................................................................25
Baseband Troubleshooting........................................................................................... 26
Faults by symptom .....................................................................................................28
SIM card.................................................................................................................. 28
Display .................................................................................................................... 29
Keypad .................................................................................................................... 30
Lights....................................................................................................................... 32
Charging.................................................................................................................. 34
Pop-PortTM system connector................................................................................ 34
Audio....................................................................................................................... 37
Vibra........................................................................................................................ 41
Real time clock battery............................................................................................ 41
Flip position recognition ......................................................................................... 41
IR............................................................................................................................. 42
Bluetooth................................................................................................................. 42
Camera .................................................................................................................... 43
Baseband calibration ..................................................................................................45