Contents
1 Operating the Power Module
To inspect the power module 9
To check power requirements 11
To set the line voltage selection 11
To set up the power module 12
To use local offset 13
Remote Offset Input 14
2 Service
General Information 20
Performance
Characteristics 20
Operating
Characteristics 20
General Characteristics 21
Recommended Test Equipment 23
Service
Strategy 23
To clean the instrument 23
To return the instrument to HP for service 24
Testing Performance 25
Test Interval 25
Equipment
Required 25
To test output voltages 26
Making Adjustments 27
Safety 27
Adjustment Interval 27
Equipment
Required 27
To prepare the equipment 29
To adjust power supply voltages 29
To adjust power supply current limits 30
To adjust offset zero 31
5
Summary of Contents for 1143A
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Page 43: ...Figure 6 Power and Control Assembly Component Locator Service Troubleshooting and Repair 43 ...
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Page 48: ...Figure 8 Schematic 1 Line Input and Positive Supply 1 Service Troubleshooting and Repair 48 ...
Page 49: ...Figure 9 Schematic 2 Negative Supply 2 Service Troubleshooting and Repair 49 ...
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