User Guide

RM-11
Troubleshooting - RF (Part 2) CC Technical Documentation
Page 2 ©2004 Nokia Corporation Confidential Issue 1 02/2004
Contents Page
Synthesizer Troubleshooting.......................................................................................... 3
Synthesizer Setup Using Phoenix ................................................................................4
VCTCXO Troubleshooting .........................................................................................4
UHF Synthesizer Troubleshooting ..............................................................................6
UHF Synthesizer Schematic ........................................................................................6
UHF Synthesizer Layout .............................................................................................7
UHF Frequency is Incorrect...................................................................................... 7
RX VHF (Batman LO) Schematic ...............................................................................7
RX VHF Layout ..........................................................................................................8
Incorrect RX VHF Frequency................................................................................... 9
TX VHF Schematic .....................................................................................................9
TX VHF Layout .........................................................................................................10
Incorrect TX VHF Frequency ................................................................................. 10
TX Troubleshooting..................................................................................................... 11
Transmitter Schematic 1 ............................................................................................11
Transmitter Schematic 2 ............................................................................................12
TX Troubleshooting Using Phoenix ..........................................................................13
PCS Band TX Probe Points .......................................................................................15
Cell and AMPS Band TX Probe Points .....................................................................16
TX AMPS Troubleshooting Using Phoenix ..............................................................17
RX Troubleshooting..................................................................................................... 18
Receiver Schematic ...................................................................................................18
Turning on Rx Path Using Phoenix ...........................................................................19
Switching Rx Gain States Using Phoenix .................................................................20
Receiver IF Troubleshooting Layout .........................................................................21
Receiver RF Troubleshooting Layout .......................................................................22
Receiver DC Troubleshooting Layout .......................................................................23
Receiver DC Troubleshooting Layout .......................................................................24
Alfred Receiver Troubleshooting ..............................................................................25
Receiver DC Troubleshooting Alfred ........................................................................26
Control Signals at RF-BB Interface ...........................................................................26
Back Panel Control Signals RF-BB Interface ...........................................................27