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Agilent Technologies E3632A manual Service

Models: E3632A

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Page 91

Service

This chapter discusses the procedures involved for returning a failed power supply to Agilent Technologies for service or repair. Subjects covered include the following:

•Operating Checklist, page 91

•Types of Service Available, page 92

•Repacking for Shipment, page 93

•Electrostatic Discharge (ESD) Precautions, page 94

•Surface Mount Repair, page 94

•To Replace the Power-Line Fuse, page 94

•To Disconnect the Output Using an External Relay, page 95

•Troubleshooting Hints, page 96

•Self-Test Procedures, page 98

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Image 91

Agilent Technologies E3632A manual Service

Contents

3DUW1XPEHU $SULO Service GuideFlexible system features Convenient bench-top featuresFront Panel at a Glance Before performing calibration T e Front-Panel Voltage and Current Limit SettingsOVP Display AnnunciatorsKey to Rear Panel at a GlanceThis Book Page Contents Theory of Operation ContentsService Contents Specifications Specifications Specifications Performance Specifications Performance SpecificationsOVP Specifications Supplemental Characteristics Supplemental CharacteristicsOpt 0E3 Dimensions of Agilent E3632A Power Supply Specifications Supplemental Characteristics Quick Start Quick Start Enable the outputs To Prepare the Power Supply for UseQuick Start To Prepare the Power Supply for Use Connect the power cord and turn on the power supply100 or 115 Vac, 4 AT fuse 230 Vac, 2.5 AT fuse Quick Start To Check the Rated Voltages of the Power Supply To Check the Rated Voltages of the Power SupplyTurn on the power supply Quick Start To Check the Rated Currents of the Power Supply To Check the Rated Currents of the Power SupplyAdjust the voltage limit value to 1.0 volt Page Connect a load to the desired output terminals To Use the Power Supply in Constant Voltage ModeSet the display for the limit mode Adjust the knob for the desired current limitReturn to the meter mode T e Adjust the knob for the desired output voltageAdjust the knob for the desired voltage limit To Use the Power Supply in Constant Current ModeConnect a load to the output terminals Verify that the power supply is in the constant current mode T e Adjust the knob for the desired output currentTo Store and Recall the Instrument State Recall Turn on the recall modeRestore the operating state DoneTo Program Overvoltage Protection Setting the OVP Level and Enable the OVP CircuitClearing the Overvoltage Condition Readjust the OVP trip level or the output voltage levelMove to the clear mode Ovp on Checking OVP OperationClear the overvoltage condition and exist this menu To Program Overcurrent Protection Setting the OCP Level and Enable the OCP CircuitClearing the Overcurrent Condition Readjust the OCP trip level or the output current levelMove to the clear mode Ocp on Checking OCP OperationQuick Start To Rack Mount the Power SupplyTo Rack Mount the Power Supply Calibration Procedures Calibration Procedures Calibration Interval Agilent Technologies Calibration ServicesCalibration Procedures Automating Calibration Procedures Automating Calibration ProceduresRecommended Test Equipment Test Considerations U t i o n Calibration Procedures Test ConsiderationsPerformance Verification Tests Calibration Procedures Performance Verification TestsPerformance Verification Tests Self-TestMeasurement Techniques Setup for Most TestsGeneral Measurement Techniques Voltage Programming and Readback Accuracy Constant Voltage Test SetupCalibration Procedures Constant Voltage CV Verifications Constant Voltage CV VerificationsCV Line Regulation CV Load RegulationVolt Normal Mode Voltage Noise CV Ripple and Noise Load Transient Response Time Current Programming and Readback Accuracy Constant Current Test SetupCalibration Procedures Constant Current CC Verifications Constant Current CC VerificationsCurr CC Load RegulationCC Line Regulation Normal Mode Current Noise CC Ripple and NoiseCalibration Procedures Common Mode Current Noise Common Mode Current NoiseCV Performance Test Record Performance Test Record for Agilent E3632ACC Performance Test Record Calibration Security Code Calibration Procedures Calibration Security CodeTurn on the front-panel calibration mode To Unsecure the Power Supply for CalibrationMove to the security code by pressing the Secure key Turn off the calibration mode To Unsecure the Power Supply Without the Security CodeCalibration Count Calibration Procedures Calibration CountCalibration Message General Calibration/Adjustment Procedure Voltage and OVP Calibration Move down a level to the voltage calibration modeCalibrate DAC and select the low voltage calibration point Lo +0.5000 Current and OCP Calibration Hi 28.995Select the low current calibration point Lo 0.200 aMi 3.499 a Aborting a Calibration in Progress Turn off the power supply to exit the calibration modeCalibration Record for Agilent E3632A Calibration Procedures Calibration Record for Agilent E3632ASelf-Test Error Messages Error MessagesCalibration Procedures Error Messages System Error MessagesPage Calibration Program Calibration Procedures Calibration ProgramClear Screen Print TABXY10,7,BEGIN DAC Error Correction Else Print TABXY10,7,BEGIN CURRENT/OCP Calibration Print TABXY10,5,CURRENT/OCP Calibration Complete End of ProgramTheory of Operation Theory of Operation Theory of Operation Block Diagram Overview Block Diagram OverviewBlock Diagram Theory of Operation AC Input and Bias Supplies AC Input and Bias SuppliesTheory of Operation Floating Logic Floating LogicSerck Xfpsk Theory of Operation To-A Converter To-A ConverterTheory of Operation To-D Converter To-D ConverterTheory of Operation Power Mesh and Control Power Mesh and ControlTheory of Operation Power Mesh and Control Front Panel Earth-Referenced LogicTheory of Operation Earth-Referenced Logic Service Service Service Operating Checklist Operating ChecklistIs the Power Supply Inoperative? Does the Power Supply Fail Self-Test?Express Exchange U.S.A. only Types of Service AvailableStandard Repair Service worldwide Service Types of Service AvailableRepacking for Shipment Service Repacking for ShipmentSurface Mount Repair Electrostatic Discharge ESD PrecautionsTo Replace the Power-Line Fuse Service Electrostatic Discharge ESD PrecautionsInstallation Procedure To Disconnect the Output Using an External RelayService To Disconnect the Output Using an External Relay Unit is Inoperative Troubleshooting HintsUnit Reports Errors 740 to U t i o n Service Troubleshooting HintsService Troubleshooting Hints Bias Supplies ProblemsComplete Self-Test Self-Test ProceduresPower-On Self-Test Service Self-Test Procedures±10% tolerance Service Self-Test Procedures 100 Replaceable Parts To Order Replaceable Parts KMG1H222H E3632-60002 Main PC AssemblyReplaceable Parts E3632-60002 Main PC Assembly105 106 107 108 109 110 Agilent Part Qty Description Mfr Mfr Part Number Code E3632-60004 Front Panel Display PC AssemblyE3632A Power SupplyAssembly E3632-60005 Front Frame AssemblyMfr Code Manufacturer’s Name Manufacturer’s List114 Backdating Lqfoxghglqwklvfkdswhu Schematics ‡ $&DQG$&6\VWHP6FKHPDWLFSDJH ‡ &RPSRQHQW/RFDWRU0DLQ%RDUGSDJH‡ &RPSRQHQW/RFDWRUURQWSDQHOSDJH Page Page Page Page Page Page Page Page Warranty