156
Service Information
This chapter contains procedures to verify that the power supply is operating
normally and is within published specifications (See page 147). The power
supply must pass the complete self-test before calibration or any of the
verification or performance tests can be performed. If the supply fails any of
the tests or if abnormal test results are obtained, refer to the troubleshooting
hints in this document. This chapter has three main sections for:
• Returning a failed power supply to Agilent Technologies for service
or repair
• Operating Checklist‚ on page 157
• Types of Service Available‚ on page 158
• Repacking for Shipment‚ on page 159
• Electrostatic Discharge (ESD) Precautions‚ on page 160
• Surface Mount Repair‚ on page 160
• To Replace the Power-Line Fuse‚ on page 160
• Troubleshooting Hints‚ on page 161
• Self-Test Procedures‚ starting on page 162
• General Disassembly‚ on page 164
• Verification & performance test procedures and calibration
procedure
• Recommended Test Equipment‚ on page 165
• Test Considerations‚ on page 166
• Operation Verification and Performance Tests‚ on page 166
• Measurement Techniques‚ starting on page 167
• Constant Voltage (CV) Verifications‚ starting on page 169
• Constant Current (CC) Verifications‚ starting on page 174
• Common Mode Current Noise‚ on page 178
• Performance Test Record for Your Power Supply‚ starting on page 179
• Calibration Reference‚ on page 181
• General Calibration/Adjustment Procedure‚ starting on page 182
• Calibration Record for Your Power Supply‚ starting on page 187
• Calibration Error Messages‚ on page 188
• Replaceable parts list, component locator diagram, and schematics