5
TABLE OF CONTENTS
Introduction............................................................................................................................................................................ 9
Scope.................................................................................................................................................................................... 9
Calibration and Verification............................................................................................................................................. 9
Troubleshooting................................................................................................................................................................9
Principles of Operation..................................................................................................................................................... 9
Replaceable Parts..............................................................................................................................................................9
Circuit Diagrams...............................................................................................................................................................9
Safety Considerations........................................................................................................................................................... 9
Manual Revisions................................................................................................................................................................10
Firmware Revisions............................................................................................................................................................ 10
Calibration and Verification................................................................................................................................................11
Introduction.........................................................................................................................................................................11
Test Equipment Required................................................................................................................................................... 11
Operation Verification Tests...............................................................................................................................................11
Calibration Procedure......................................................................................................................................................... 11
Initial Setup.....................................................................................................................................................................14
Voltage Monitor Zero Calibration.................................................................................................................................. 15
Common Mode Calibration............................................................................................................................................ 15
Remote Readback Zero Calibration................................................................................................................................15
Constant Voltage Full Scale Calibration.........................................................................................................................17
Voltage Monitor and Remote Readback Full Scale Calibration..................................................................................... 17
Constant Voltage Zero Calibration................................................................................................................................. 18
Current Monitor Zero Calibration...................................................................................................................................18
Constant Current Zero Calibration..................................................................................................................................18
Current Monitor Full Scale Calibration.......................................................................................................................... 19
Constant Current Full Scale Calibration......................................................................................................................... 19
Power Limit Calibration..................................................................................................................................................20
Resistance Programming Full Scale Calibration.............................................................................................................21
Performance Tests...............................................................................................................................................................21
Measurement Techniques............................................................................................................................................... 21
Constant Voltage (CV) Tests..........................................................................................................................................22
Constant Current (CC) Tests...........................................................................................................................................28
Initialization Procedure.......................................................................................................................................................31
Troubleshooting.................................................................................................................................................................... 33
Introduction.........................................................................................................................................................................33
Initial Troubleshooting Procedures.....................................................................................................................................33
Electrostatic Protection....................................................................................................................................................... 34
Repair and Replacement..................................................................................................................................................... 34
A2 Control Board Removal............................................................................................................................................ 35
A4 FET Board Removal................................................................................................................................................. 35
A5 Diode Board Removal...............................................................................................................................................36
A8 GPIB Board Removal............................................................................................................................................... 36
A3 Front-Panel Board Removal......................................................................................................................................36
A1 Main Board Removal................................................................................................................................................36
Overall Troubleshooting Procedure....................................................................................................................................37
GPIB Section Troubleshooting...........................................................................................................................................39
Primary Interface Troubleshooting.....................................................................................................................................40