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Agilent Technologies 6632B, 6634B, 66332A Troubleshooting, 1Sheet 3. Main Flowchart continued

Models: 6632B 6633B 66332A 6634B

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Figure 3-1 Sheet 3. Main Flowchart (continued)

Troubleshooting - 3

Figure 3-1 Sheet 3. Main Flowchart (continued)

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Agilent Technologies 6632B, 6634B, 66332A, 6633B service manual Troubleshooting, 1Sheet 3. Main Flowchart continued

Contents

and Agilent Model 6632B, 6633B, 6634B System DC Power SupplyAgilent Model 66332A Dynamic Measurement DC SourceCERTIFICATION Warranty InformationWARRANTY LIMITATION OF WARRANTYSAFETY SYMBOLS Safety SummaryBEFORE APPLYING POWER DO NOT SERVICE OR ADJUST ALONESafety Symbol Definitions SymbolDescription Printing History Instrument IdentificationItem Description VERIFICATION AND PERFORMANCE TESTS Table of ContentsTROUBLESHOOTING INTRODUCTIONINDEX REPLACEABLE PARTS LISTDIAGRAMS PRINCIPLES OF OPERATIONPage Related Documents Safety ConsiderationsIntroduction OrganizationFirmware Revisions RevisionsElectrostatic Discharge Manual RevisionsVerification and Performance Tests IntroductionTest Equipment Required Figure 2-1.Test Setup Test SetupMeasurement Techniques 2 - Verification and Performance TestsCurrent-MonitoringResistor Operation Verification TestsPerformance Tests Electronic LoadCV Load Effect CV SetupConstant Voltage CV Tests Voltage Programming and Readback AccuracyCV Source Effect CV Noise PARDVerification and Performance Tests Current Programming and Readback Accuracy Transient Recovery TimeCC Setup Constant Current CC TestsVerification and Performance Tests Current Sink -CCOperationLow Range Current Readback Accuracy CC Load and Line RegulationCC Load Effect CC Source Effect2 - Verification and Performance Tests Performance Test Equipment Form CC Noise PARDVerification and Performance Tests 2 - Verification and Performance Tests Performance Test Record FormsVerification and Performance Tests 2 - Verification and Performance Tests Introduction TroubleshootingTest Equipment Required Overall TroubleshootingFlow Charts 3 - TroubleshootingFigure 3-1Sheet 1. Main Flowchart TroubleshootingFigure 3-1Sheet 2. Main Flowchart continued 3 - TroubleshootingFigure 3-1Sheet 3. Main Flowchart continued TroubleshootingFigure 3-1Sheet 4. OV at Turn-On 3 - TroubleshootingFigure 3-1Sheet 5. OV at Turn-Oncontinued TroubleshootingFigure 3-1Sheet 6. FS Indicated but Fuse OK 3 - TroubleshootingFigure 3-1Sheet 7. No Output Voltage TroubleshootingFigure 3-1Sheet 8. No Output Voltage continued 3 - TroubleshootingFigure 3-1Sheet 9 No Output Voltage continued TroubleshootingFigure 3-1Sheet 10. No Current Limit 3 - TroubleshootingFigure 3-1Sheet 11. Unit Does Not OV TroubleshootingFigure 3-1Sheet 12. High Output Voltage 3 - TroubleshootingTable 3-2. Self-TestError Codes/Messages Specific Troubleshooting ProceduresPower-on Self-testFailures TroubleshootingTable 3-3.Bias and Reference Voltages CV/CC Status Annunciators TroubleshootingBias and Rail Voltages 3 - TroubleshootingTroubleshooting J307 Voltage MeasurementsDisabling Protection Features Manual Fan Speed Control3 - Troubleshooting Troubleshooting Inhibit Calibration SwitchCalibration Password Post-repairCalibrationIdentifying the Firmware ROM UpgradeUpgrade Procedure InitializationFigure 3-2.Component Location Disassembly ProceduresList of Required Tools Troubleshooting3 - Troubleshooting Cover, Removal and ReplacementA2 Interface Board, Removal and Replacement Front Panel Assembly, Removal and ReplacementA1 Main Control Board S1 Line Switch, Removal and ReplacementA3 Front Panel Board, Removal and Replacement T1 Power Transformer, Removal and ReplacementLine Voltage Wiring Figure 3-3.Transformer Wiring3 - Troubleshooting Introduction I/O Interface SignalsPrinciples of Operation Table 4-1.Power Supply Interface signalsSecondary Interface A3 Front Panel CircuitsA2 Interface Circuits Primary InterfaceFigure 4-1.A2/A3 Block Diagram Principles of OperationPower Circuits A1 Main Board Circuits4 - Principles of Operation Principles of Operation Figure 4-2.A1 Block Diagram4 - Principles of Operation Control CircuitsPrinciples of Operation Page Replaceable Parts List IntroductionTable 5-1.Chassis, Electrical Table 5-2.Chassis, Mechanical 5 - Replaceable PartsFigure 5-1.Mechanical Parts ldentification Replaceable Parts5 - Replaceable Parts Table 5-3.A1 Control Board PC Board AssemblyReplaceable Parts 5 - Replaceable Parts Replaceable Parts 5 - Replaceable Parts Replaceable Parts 5 - Replaceable Parts Replaceable Parts 5 - Replaceable Parts Replaceable Parts 5 - Replaceable Parts Replaceable Parts Table 5-6.Relay Option #760 5 - Replaceable PartsTable 5-4.Binding Post Option #020 Table 5-5.A5 AC input/RFI BoardTable 6-1. Model-dependentComponents DiagramsGeneral Schematic Notes Introduction66332A 6 - DiagramsTable 6-1. Model-dependentComponents continued DesignatorTable 6-2.A1 Board Component Locations DiagramsTable 6-2continued 6 - DiagramsFigure 6-1.A1 Board Component Locations Figure 6-2.A4 and A6 Board Component Locations Figure 6-3.A1 Board schematic sheet A1 Board schematic sheet A1 Board schematic sheet Figure 6-4.A6 Relay Option Board schematic Index Page Manual Updates