AR 350AH1A, Руководство по эксплуатации и обслуживанию

Страница: 16 / 50

Model 350AH1A
ii
3.2 Amplifier .............................................................................................................. 27
3.2.1 Amplifier RF Input ............................................................................................... 27
3.2.2 Variable Gain Amp .............................................................................................. 27
3.2.3 350W Module ....................................................................................................... 27
3.3 Power Supply ....................................................................................................... 27
3.4 Control Circuits .................................................................................................... 28
3.4.1 Power On/Operate Circuits .................................................................................. 28
3.4.2 A13 ALC Board (Schematic #10023927) ............................................................ 28
3.5 Fault Detection Circuits........................................................................................ 29
3.5.1 Thermal Faults ...................................................................................................... 29
3.5.2 Power Supply Faults ............................................................................................. 29
3.5.3 ALC Fault ............................................................................................................. 29
3.5.4 Interlocks .............................................................................................................. 29
4. TROUBLESHOOTING AND REPAIR ........................................................... 31
4.1. General ................................................................................................................. 31
4.2 Fault Signal Interpretation and Diagnosis ............................................................ 31
4.2.1 General - Reading faults ....................................................................................... 32
4.2.2 Power Supply Fault .............................................................................................. 32
4.2.3 Thermal Faults ...................................................................................................... 32
4.2.4 ALC Fault ............................................................................................................. 32
LIST OF FIGURES
2-1 Digital Control Panel (DCP) Features .................................................................... 8
2-2 Rear Panel Features ................................................................................................ 8
2-3 Touch Panel Display Menu Map .......................................................................... 10
2-4 Typical Setup - CW Mode .................................................................................... 12
2-5 Typical Setup – Bridge Mode .............................................................................. 13
2-6 Typical Setup – Parallel Mode ............................................................................. 14
LIST OF TABLES
2-1 IEEE-488 Address Selection ................................................................................ 15
2-2 RS-232 Port Settings ............................................................................................ 16
2-3 RS-232 (DCE) Port Pinout Diagram DB-9 Female ............................................. 16
2-4 Relationships between Amplifier Controls and Responses .................................. 19