Motorola GTR 8000 Manual page 24

GTR 8000 Base Radio
5.9.4.1.1 - How To Set Up Tuning The VHF Duplexer .........................................................................................................5-15
5.9.4.2.1 - How To Tune VHF Duplexer Low Pass Resonators ............................................................................................5-16
5.9.4.3.1 - How To Tune VHF Duplexer High Pass Resonators............................................................................................5-17
5.9.4.4.1 - How To Tune VHF Duplexer High Notch Loop Assemblies ...............................................................................5-18
5.9.4.5.1 - How To Tune VHF Duplexer Low Notch Loop Assemblies................................................................................5-19
5.9.4.6.1 - How To Verify VHF Duplexer Insertion Loss......................................................................................................5-21
5.9.4.7.1 - How To Verify VHF Duplexer Isolation...............................................................................................................5-23
5.9.4.8 - VHF Duplexer Post Tuning Checks.........................................................................................................................5-23
5.9.5.1.1 - How To Set Up Tuning the UHF Duplexer ..........................................................................................................5-25
5.9.5.2.1 - How To Tune UHF Duplexer Low Pass Resonators ............................................................................................5-26
5.9.5.3.1 - How To Tune UHF Duplexer High Pass Resonators............................................................................................5-27
5.9.5.4.1 - How To Tune UHF Duplexer High Notch Loop Assemblies ...............................................................................5-28
5.9.5.5.1 - How To Tune UHF Duplexer Low Notch Loop Assemblies................................................................................5-29
5.9.5.6.1 - How To Verify UHF Duplexer Insertion Loss......................................................................................................5-31
5.9.5.7.1 - How To Verify UHF Duplexer Isolation...............................................................................................................5-33
5.9.5.8 - UHF Duplexer Post Tuning Checks.........................................................................................................................5-33
5.10.2 - Monitoring the Power Supply Module .....................................................................................................................5-35
5.10.3 - Verifying Receiver Performance (Digital Operation) ...............................................................................................5-35
5.10.4 - Verifying Receiver Performance (Analog Operation) ..............................................................................................5-38
5.10.5 - Checking Receiver Sensitivity (Self-test Method) (IV and D).................................................................................5-39
5.10.6 - Monitoring the Transmitter Metering Points ............................................................................................................5-40
5.10.7 - Verifying Transmitter Performance (Digital Operation)...........................................................................................5-41
5.10.8 - Verifying Transmitter Performance (Analog Operation) ..........................................................................................5-43
5.11.1 - Setting Up the HPD Service Monitor for Testing the Base Radio............................................................................5-46
5.11.2 - Performing In-band Power Meter User Calibration..................................................................................................5-48
5.11.3 - Measuring HPD BR Tx Power, Frequency Accuracy and Tx EVM ........................................................................5-49
5.11.4 - Measuring HPD BR Rx Sensitivity and Rx BER .....................................................................................................5-52
5.11.5 - Checking Receiver Sensitivity (Self-test Method) (HPD)........................................................................................5-57
9.2.1 - How To Replace a Transceiver Module........................................................................................................................9-5
9.3.1 - How To Replace the Fan Assembly............................................................................................................................9-11
9.4.1 - How To Replace a Power Supply ...............................................................................................................................9-13
9.5.1 - How To Replace a Power Supply Fan ........................................................................................................................9-16
9.6.1 - How To Replace a Power Amplifier ...........................................................................................................................9-18
9.7.1 - How To Replace a GTR 8000 Base Radio Backplane................................................................................................9-21
9.8.1 - How To Replace a Preselector Filter ..........................................................................................................................9-28
9.9.1 - How To Replace Transmit Filters (700/800 MHz) .....................................................................................................9-29
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