AR 10052412, Operating And Service Manual

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Model 5000A225C
iii
3.4.2 A53 Interface Board ............................................................................................. 41
3.4.3 A58 ALC .............................................................................................................. 42
3.5 Sample Ports ......................................................................................................... 42
4. MAINTENANCE ............................................................................................... 43
4.1 General Maintenance Information ........................................................................ 43
4.2 Disassembly Procedure ........................................................................................ 43
4.3 Troubleshooting ................................................................................................... 44
4.3.1 General - Reading Faults ...................................................................................... 45
4.3.2 The Unit Cannot Be Operated Remotely.............................................................. 45
4.3.3 Thermal Fault (Schematic 10052498 LV, 10052499 HV) ................................... 45
4.3.4 Interlock Fault ...................................................................................................... 46
4.3.4.1 Interlock Fault ................................................................................................ 46
4.3.4.2 AC Interlock Fault ......................................................................................... 46
4.3.5 Power Supply Faults (Schematic 10052498 LV, 10052499 HV) ........................ 47
4.3.5.1 PS1 and PS2 Fault.......................................................................................... 47
4.3.5.2 PS3 through PS12 Fault ................................................................................. 47
4.3.6 Amplifier Faults (Schematic 10039874, 10045132) ............................................ 47
4.3.7 ALC Fault ............................................................................................................. 47
4.3.8 Low or No Power Output (DC Tests) (Schematic 10052498 LV, 10052499 HV)48
4.3.9 Low or No Power Output (RF Test) ..................................................................... 49
4.4 Locating and Replacing Modules ......................................................................... 50
Appendix A. Installing Software Upgrades ................................................................ 53
FIGURES
1-1 5000A225C AC Line Cord Installation .................................................................. 2
2-1 Model 5000A225C Front Panel ............................................................................. 8
2-2 Model 5000A225C Rear Panel ............................................................................... 9
2-3 Menu Map ............................................................................................................ 12
4-1 Typical Response at 0dBm Input ......................................................................... 49
4-2 Typical Response at -20dBm Input ...................................................................... 49
4-3 5000A225C Left Side, Modules A38-A45 ........................................................... 50
4-4 Connectors ............................................................................................................ 51
4-5 SMA Module Input .............................................................................................. 51
4-6 Final Module RF Output ...................................................................................... 52
4-7 RF Module ............................................................................................................ 52
TABLES
2-1 RS-232 Port Settings ............................................................................................ 24
2-2 RS-232 (DCE) Port Pinout Diagram DB-9 Female ............................................. 24