Model 150A400
Manual Text
TABLE OF CONTENTS
SECTION I:
GENERAL INFORMATION
1.1
General Description ..................................................................1-1
1.2
Power Supplies.........................................................................1-1
1.3
Specifications ...........................................................................1-1
SECTION II:
OPERATING INSTRUCTIONS
2.1
General............................................................................2-1
2.2
Amplifier Operation ..........................................................2-2
2.2.1
Local Operation........................................................................2-2
2.2.2
Remote Operation.....................................................................2-2
SECTION III:
THEORY OF OPERATION
3.1
Introduction ..............................................................................3-1
3.2
Driver Amplifier Section............................................................3-1
3.3
Final Amplifier Section ..............................................................3-1
3.4
Power Supply ...........................................................................3-2
3.5
Fault Board ..............................................................................3-2
3.6
A3 Gain Control........................................................................3-2
SECTION IV:
MAINTENANCE
4.1
General Maintenance Information ..............................................4-1
4.2
Disassembly Procedures ...................................................4-1
4.3
Troubleshooting ........................................................................4-2
4.3.1
Front Panel Vacuum Fluorescent Display (VFD) Doesn’t Indicate
“Power On”
...........................................................................4-2
4.3.2
Unit Cannot be Operated Remotely............................................4-3
4.3.3
Thermal Fault ...........................................................................4-3
4.3.4
Interlock Fault ..........................................................................4-4
4.3.5
Voltage/Amplifier Faults............................................................4-4
4.3.6
Low or No Power Output (DC Tests)........................................4-5
SECTION V:
REPLACEABLE PARTS
5.1
Introduction ..............................................................................5-1
5.2
Ordering Information.................................................................5-1
5.3
Non-Listed Parts ......................................................................5-1
TABLE OF CONTENTS
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CONTINUED
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