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