Agilent Technologies 5962-8200 service manual Agilent Part No Microfiche No September

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Service Manual

For Agilent Model

6611C, 6612C, 6613C, 6614C System DC Power Supply

For instruments with Serial Numbers: Agilent 6611C: US37450101 and up Agilent 6612C: US37460101 and up Agilent 6613C: US37460101 and up Agilent 6614C: US37460101 and up

Agilent Part No. 5962-8200	Printed in U.S.A.
Microfiche No 5962-8201	September, 2000

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Contents Agilent Part No Microfiche No September Certification Warranty InformationBefore Applying Power Safety SummarySymbol Description Safety Symbol DefinitionsInstrument Identification Printing HistoryTable of Contents Disassembly Procedures Initialization ROM UpgradePost-repair Calibration IntroductionPage Organization Safety ConsiderationsRelated Documents ChapterElectrostatic Discharge RevisionsManual Revisions Firmware RevisionsTest Equipment Required IntroductionType Specifications Recommended Model Test SetupMeasurement Techniques Electronic Load Test SetupPerformance Tests Operation Verification TestsCurrent-Monitoring Resistor ProgrammingConstant Voltage CV Tests CV SetupVoltage Programming and Readback Accuracy CV Load EffectCV Source Effect Transient Recovery TimeCV Noise Pard Constant Current CC Tests CC SetupCurrent Programming and Readback Accuracy Low Range Current Readback Accuracy Current Sink -CC OperationCC Load Effect CC Load and Line RegulationCC Noise Pard CC Source EffectPerformance Test Equipment Form Transient Response Load Effect Source Effect Pard Ripple and NoiseConstant Current Tests Current Programming and Readback Current Sink @ -3A Readback MA Range Current ReadbackLoad Effect Vout − Vout + 2.0mV Vout −Source Effect Vout − Iout −Iout − Iout + 0.2 mA Vout + 4 mVIout − Iout + 2.2 mA Current Sink @ -0.6A Readback Iout −Iout − Iout + 0.1 mA Load Effect Vout − Vout + 5 mVIout − Iout + 1.1 mA Current Sink @ -0.3A Readback Iout −Page Troubleshooting Flow Charts Overall TroubleshootingTest Equipment Required for Troubleshooting Type Purpose Recommended ModelSheet 1. Troubleshooting Flowchart Sheet 2. Troubleshooting Flowchart Sheet 3. Troubleshooting Flowchart Sheet 4. Troubleshooting Flowchart Power-on Self-test Failures Specific Troubleshooting ProceduresSelf-Test Error Codes/Messages Error Code Description Probable CauseBias and Reference Supplies CV/CC Status Annunciators TroubleshootingBias and Reference Voltages Bias Test Point MeasurementVoltage Measurements at J207 A2 Interface to A1 Main board J307 Voltage MeasurementsManual Fan Speed Control Disabling Protection FeaturesCalibration Password Inhibit Calibration SwitchPost-repair Calibration Upgrade Procedure ROM UpgradeInitialization Identifying the FirmwareList of Required Tools Disassembly ProceduresA2 Interface Board, Removal and Replacement Cover, Removal and ReplacementFront Panel Assembly, Removal and Replacement T1 Power Transformer, Removal and Replacement A3 Front Panel Board, Removal and ReplacementA1 Main Control Board Line Voltage Wiring Power Supply Interface signals Interface SignalsConnector Signal Description A2 Interface Circuits A3 Front Panel CircuitsPrimary Interface Secondary InterfaceA1 Main Board Circuits Power CircuitsControl Circuits Principles of Operation Page Designator PartNumber Qty Description Chassis, ElectricalReplaceable Parts List Mechanical Parts Identification MP9 Chassis, MechanicalDiagrams Diagrams A2/A3 Boards Block Diagram Circuits BiasIndex Index

Agilent Part No. 5962-8200

Microfiche No 5962-8201

September, 2000