User's Manual

Table Of Contents
G3S-800-140 Installation & Service Manual
044-05095 Rev. A ii February 2001
Section 5
Maintenance
5-1 Introduction.........................................................................................................................5-1
5-2 Periodic Maintenance......................................................................................................5-1
5-3 Test Equipment Required For Test.................................................................................. 5-1
5-4 Clean Air Inlets/Outlets ....................................................................................................5-2
5-5 Performance Test...............................................................................................................5-2
5-5.1 Amplifier System Performance Test .............................................................................. 5-2
5-5.2 Amplifier IMD Test..............................................................................................................5.3
5-5.3 Gain Test..............................................................................................................................5-3
5-5.4 Harmonic Test.....................................................................................................................5-3
5-5.5 Spurious Emissions Test ..................................................................................................5-4
5-5.6 Input Return Loss................................................................................................................ 5-4
5-6 Field Replacement Parts and Modules .........................................................................5-6
5-6.1 G3S-800-140 Power Amplifier Module...........................................................................5-6
5-6.2 Cooling Fans........................................................................................................................5-6
Section 6
Troubleshooting
6-1 Introduction.........................................................................................................................6-1
6-2 Troubleshooting .................................................................................................................6-1
6-3 Return for Service Procedures........................................................................................6-1
6-3.1 Obtaining an RMA..............................................................................................................6-1
6-3.2 Repackaging for Shipment............................................................................................... 6-1
List of Illustrations
Figure
No.
1-1 G3S-800-140 Front and Side View...................................................................................1-3
2-1 G3S-800-140 Rear View.....................................................................................................2-2
2-2 DC and Logic Connector................................................................................................... 2-3
2-3 Amplifier RF Connector.....................................................................................................2-4
3-1 G3S-800-140 Amplifier Module RF Control Indicators................................................ 3-1
4-1 G3S-800-140 Power Amplifier Module Functional Block Diagram.......................... 4-2
5-1 Amplifier System Test Setup Diagram........................................................................... 5-3