AR 10036733, Operating And Service Manual

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TABLE OF CONTENTS
TABLE OF CONTENTS ................................................................................................ iii
1. GENERAL INFORMATION ............................................................................. 1
1.1 General Description ............................................................................................... 1
1.2 Power Supplies ....................................................................................................... 1
1.3 Specifications ......................................................................................................... 1
2. OPERATING INSTRUCTIONS ........................................................................ 5
2.1 General ................................................................................................................... 5
2.2 Amplifier Front and Rear Panels............................................................................ 6
2.3 Local Operation ...................................................................................................... 6
2.3.1 Power-up Sequence ................................................................................................ 6
2.4 Remote Communications ....................................................................................... 7
2.4.1 IEEE-488 (GPIB) Communications ....................................................................... 7
2.4.2 RS-232 Communications ....................................................................................... 8
2.4.3 Fiber-Optic Communications ................................................................................. 8
2.4.4 USB Communications ............................................................................................ 9
2.4.5 Ethernet Communications ...................................................................................... 9
2.4.6 Remote Commands .............................................................................................. 10
3. THEORY OF OPERATION ............................................................................. 15
3.1 Introduction .......................................................................................................... 15
3.2 RF Amplifier Operation ....................................................................................... 15
3.2.1 A1 Pre-Amp ......................................................................................................... 15
3.2.2 A2 Driver Amp ..................................................................................................... 16
3.2.3 A3 Output Power Amp ......................................................................................... 16
3.3 Power Supply ....................................................................................................... 16
3.3.1 A4 Regulator Board (Schematic #10031647) ...................................................... 16
3.4 Control System ..................................................................................................... 17
3.4.1 A5 Control/Fault Board (Schematic #10025460) ................................................ 17
4. MAINTENANCE ............................................................................................... 19
4.1 General Maintenance Information ....................................................................... 19
4.2 Disassembly Procedure ........................................................................................ 19
4.3 Troubleshooting ................................................................................................... 20
4.3.1 Power On Indication Doesn’t Display on Front Panel Vacuum Fluorescent
Display (VFD) when POWER Switch is Depressed (Schematic Diagram
No. 10034509) ...................................................................................................... 21
4.3.2 The Unit Cannot Be Operated Remotely ............................................................. 22
4.3.3 Thermal Fault (Schematic Diagram No 10034509) ............................................. 22
4.3.4 Interlock Fault (Schematic Diagram No. 10034509) ........................................... 22
4.3.5 PS1 Fault (Schematic Diagram No. 10034509) ................................................... 23
4.3.6 Amplifier Faults (Schematic Diagram No. 10034509) ........................................ 23
4.3.7 Low or No Power Output (DC Tests) (Schematic Diagram No. 10034509) ....... 23
4.3.8 Low or No Power Output (RF Test) (Schematic Diagram No. 10034509) ......... 24
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