170
Service Information
This chapter contains procedures to verify that the power supply is operating normally
and is within published specifications (See page 163). 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 171
• Types of Service Available‚ on page 172
• Repacking for Shipment‚ on page 173
• Electrostatic Discharge (ESD) Precautions‚ on page 174
• Surface Mount Repair‚ on page 174
• To Replace the Power-Line Fuse‚ on page 174
• Troubleshooting Hints‚ on page 175
• Self-Test Procedures‚ starting on page 176
• General Disassembly‚ on page 178
• Verification & performance test procedures and calibration procedure
• Recommended Test Equipment‚ on page 179
• Test Considerations‚ on page 180
• Operation Verification and Performance Tests‚ on page 180
• Measurement Techniques‚ starting on page 181
• Constant Voltage (CV) Verifications‚ starting on page 183
• Constant Current (CC) Verifications‚ starting on page 189
• Common Mode Current Noise‚ on page 193
• Performance Test Record for Your Power Supply‚ starting on page 194
• Calibration Reference‚ on page 196
• General Calibration/Adjustment Procedure‚ starting on page 197
• Calibration Record for Your Power Supply‚ starting on page 202
• Calibration Error Messages‚ on page 203
• Schematics
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