AR 10006031, Operating And Service Manual

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TABLE OF CONTENTS
TABLE OF CONTENTS ...................................................................................................i
1. DESCRIPTION AND SPECIFICATIONS .............................................................1
1.1 TWTA Description ....................................................................................................1
1.2 Suggested Applications..............................................................................................1
1.3 Specifications.............................................................................................................1
1.4 Accessories.................................................................................................................1
1.5 Test Data Sheet ..........................................................................................................1
2. THEORY OF OPERATION.....................................................................................5
2.1 Design of the Amplifier .............................................................................................5
2.2 Description of the RF Circuit (A24380-030).............................................................5
2.3 Description of the Power Supply (A22520-090) .......................................................6
3. OPERATION .............................................................................................................7
3.1 Warnings and Cautions ..............................................................................................7
3.2 Installation..................................................................................................................8
3.2.1 Unpacking ...............................................................................................................8
3.2.2 Mounting.................................................................................................................8
3.2.3 Cooling Requirements.............................................................................................9
3.2.4 AC Line Power Connections...................................................................................9
3.2.5 RF Connections.....................................................................................................10
3.2.6 External interlock connector .................................................................................10
3.3 Front Panel Features.................................................................................................11
3.4 Front Panel Display and Soft Keys ..........................................................................12
3.5 Rear Panel Features..................................................................................................16
3.6 Initial Turn On and Warm-up Procedure .................................................................17
3.7 Emergency Bypass Operation..................................................................................18
3.8 Remote IEEE-488 Operation ...................................................................................18
3.9 TWTA General Considerations................................................................................23
4. MAINTENANCE .....................................................................................................27
4.1 Safety Warning ........................................................................................................27
4.2 Unauthorized Repairs...............................................................................................27
4.3 Preventive Maintenance...........................................................................................27
4.4 Troubleshooting .......................................................................................................28
4.5 Non-Repairable Modules .........................................................................................29
5. TECHNICAL DOCUMENTATION......................................................................31
5.1 Top Level Build Tree...............................................................................................32
5.2 Schematics ...............................................................................................................33
5.3 Wiring Diagrams......................................................................................................35
5.4 Parts Lists.................................................................................................................37
5.4.1 Parts List-HPA Logic and Control Module, A16485-000 ....................................38
5.4.2 Parts List-C-Band Power Supply for TWT 5889, A22520-090............................40
5.4.3 Parts List-HPA System Control Front Panel, A24324-000 ..................................41
5.4.4 Parts List-Remote Control Board, A24369-000....................................................42
5.4.5 Parts List-Microwave Power Assembly 200C, A24380-030 ................................43
5.4.6 Parts List-HPA Interface Board (Plastic), A25444-000........................................44
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