Motorola GTR 8000 - Page 24

GTR8000BaseRadio
5.9.4.1.1—HowToSetUpTuningTheVHFDuplexer.........................................................................................................5-15
5.9.4.2.1—HowToTuneVHFDuplexerLowPassResonators............................................................................................5-16
5.9.4.3.1—HowToTuneVHFDuplexerHighPassResonators............................................................................................5-17
5.9.4.4.1—HowToTuneVHFDuplexerHighNotchLoopAssemblies...............................................................................5-18
5.9.4.5.1—HowToTuneVHFDuplexerLowNotchLoopAssemblies................................................................................5-19
5.9.4.6.1—HowToV erifyVHFDuplexerInsertionLoss......................................................................................................5-21
5.9.4.7.1—HowToV erifyVHFDuplexerIsolation...............................................................................................................5-23
5.9.4.8—VHFDuplexerPostTuningChecks.........................................................................................................................5-23
5.9.5.1.1—HowToSetUpTuningtheUHFDuplexer..........................................................................................................5-25
5.9.5.2.1—HowToTuneUHFDuplexerLowPassResonators............................................................................................5-26
5.9.5.3.1—HowToTuneUHFDuplexerHighPassResonators............................................................................................5-27
5.9.5.4.1—HowToTuneUHFDuplexerHighNotchLoopAssemblies...............................................................................5-28
5.9.5.5.1—HowToTuneUHFDuplexerLowNotchLoopAssemblies................................................................................5-29
5.9.5.6.1—HowToV erifyUHFDuplexerInsertionLoss......................................................................................................5-31
5.9.5.7.1—HowToV erifyUHFDuplexerIsolation...............................................................................................................5-33
5.9.5.8—UHFDuplexerPostTuningChecks.........................................................................................................................5-33
5.10.2—MonitoringthePowerSupplyModule.....................................................................................................................5-35
5.10.3—VerifyingReceiverPerformance(DigitalOperation)...............................................................................................5-35
5.10.4—VerifyingReceiverPerformance(AnalogOperation)..............................................................................................5-38
5.10.5—CheckingReceiverSensitivity(Self-testMethod)(IVandD).................................................................................5-39
5.10.6—MonitoringtheTransmitterMeteringPoints............................................................................................................5-40
5.10.7—VerifyingTransmitterPerformance(DigitalOperation)...........................................................................................5-41
5.10.8—VerifyingTransmitterPerformance(AnalogOperation)..........................................................................................5-43
5.11.1—SettingUptheHPDServiceMonitorforTestingtheBaseRadio............................................................................5-46
5.11.2—PerformingIn-bandPowerMeterUserCalibration..................................................................................................5-48
5.11.3—MeasuringHPDBRTxPower,FrequencyAccuracyandTxEVM........................................................................5-49
5.11.4—MeasuringHPDBRRxSensitivityandRxBER.....................................................................................................5-52
5.11.5—CheckingReceiverSensitivity(Self-testMethod)(HPD)........................................................................................5-57
9.2.1—HowToReplaceaTransceiverModule........................................................................................................................9-5
9.3.1—HowToReplacetheFanAssembly............................................................................................................................9-11
9.4.1—HowToReplaceaPowerSupply...............................................................................................................................9-13
9.5.1—HowToReplaceaPowerSupplyFan........................................................................................................................9-16
9.6.1—HowToReplaceaPowerAmplier...........................................................................................................................9-18
9.7.1—HowToReplaceaGTR8000BaseRadioBackplane................................................................................................9-21
9.8.1—HowToReplaceaPreselectorFilter..........................................................................................................................9-28
9.9.1—HowToReplaceTransmitFilters(700/800MHz).....................................................................................................9-29
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