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Agilent Technologies 6633B, 6634B, 66332A, 6632B service manual Verification and Performance Tests

Models: 6632B 6633B 66332A 6634B

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2 - Verification and Performance Tests

Model Agilent 6634B	Report No _______________						Date __________________
Test Description		Minimum					Results*	Maximum
		Specs.						Specs.
Constant Voltage Tests
Voltage Programming and Readback
Low Voltage (0V) Vout		− 50 mV					__________	+ 50 mV
Front Panel Display Readback		Vout − 12 mV					__________	Vout + 12 mV
High Voltage (Full Scale) Vout		99.9 V					__________	100.1 V
Front Panel Display Readback		Vout − 42 mV					__________	Vout + 42 mV
Load Effect		− 5 mV					__________	+ 5 mV
Source Effect		− 1 mV					__________	+ 1 mV
PARD (Ripple and Noise)
Peak-to-Peak			N/A				__________	+ 5 mV
RMS			N/A				__________	+ 0.6 mV
Transient Response
Voltage in 100 ∝s		Vout − 100 mV					__________	Vout + 100 mV
Constant Current Tests
Current Programming and Readback(High Range)
CC Programming Accuracy @ 0A		− 0.76 mA					__________	+ 0.76 mA
Current Readback Accuracy @ 20mA (High Range)		Iout − 0.29 mA					__________	Iout + 0.29 mA
CC Programming @ Full Scale		0.999 A					__________	1.001 A
Current Readback Accuracy @ Full Scale		Iout − 2.25 mA					__________	Iout + 2.25 mA
Current Sink Readback		Isink − 2.85 mA					__________	Isink + 2.85 mA
20 mA Range Current Readback
Readback Accuracy @ 0 A		− 2.5 ∝A					__________	+ 2.5 ∝A
Readback Accuracy @ + 20 mA		Iout	−	22.5	∝		__________	Iout + 22.5	∝
		Iout		22.5	A			Iout + 22.5	A
Readback Accuracy @ − 20 mA		Iout	−	22.5	∝		__________	Iout + 22.5	∝
		Iout		22.5	A			Iout + 22.5	A
PARD (Current Ripple and Noise)
RMS			N/A				__________	+ 2.0 mA
Load Effect		− 1.0 mA					__________	+ 1.0 mA
Source Effect		− 0.25 mA					__________	+ 0.25 mA
* Enter your test results in this column

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Agilent Technologies 6633B, 6634B, 66332A, 6632B service manual Verification and Performance Tests

Contents

Dynamic Measurement DC Source System DC Power SupplyAgilent Model 66332A and Agilent Model 6632B, 6633B, 6634BLIMITATION OF WARRANTY Warranty InformationWARRANTY CERTIFICATIONDO NOT SERVICE OR ADJUST ALONE Safety SummaryBEFORE APPLYING POWER SAFETY SYMBOLSSymbol Safety Symbol DefinitionsDescription Instrument Identification Printing HistoryItem Description INTRODUCTION Table of ContentsTROUBLESHOOTING VERIFICATION AND PERFORMANCE TESTSPRINCIPLES OF OPERATION REPLACEABLE PARTS LISTDIAGRAMS INDEXPage Organization Safety ConsiderationsIntroduction Related DocumentsManual Revisions RevisionsElectrostatic Discharge Firmware RevisionsIntroduction Verification and Performance TestsTest Equipment Required 2 - Verification and Performance Tests Test SetupMeasurement Techniques Figure 2-1.Test SetupElectronic Load Operation Verification TestsPerformance Tests Current-MonitoringResistorVoltage Programming and Readback Accuracy CV SetupConstant Voltage CV Tests CV Load EffectCV Noise PARD CV Source EffectVerification and Performance Tests Constant Current CC Tests Transient Recovery TimeCC Setup Current Programming and Readback AccuracyCC Load and Line Regulation Current Sink -CCOperationLow Range Current Readback Accuracy Verification and Performance TestsCC Source Effect CC Load Effect2 - Verification and Performance Tests CC Noise PARD Performance Test Equipment FormVerification and Performance Tests Performance Test Record Forms 2 - Verification and Performance TestsVerification and Performance Tests 2 - Verification and Performance Tests Troubleshooting Introduction3 - Troubleshooting Overall TroubleshootingFlow Charts Test Equipment RequiredTroubleshooting Figure 3-1Sheet 1. Main Flowchart3 - Troubleshooting Figure 3-1Sheet 2. Main Flowchart continuedTroubleshooting Figure 3-1Sheet 3. Main Flowchart continued3 - Troubleshooting Figure 3-1Sheet 4. OV at Turn-OnTroubleshooting Figure 3-1Sheet 5. OV at Turn-Oncontinued3 - Troubleshooting Figure 3-1Sheet 6. FS Indicated but Fuse OKTroubleshooting Figure 3-1Sheet 7. No Output Voltage3 - Troubleshooting Figure 3-1Sheet 8. No Output Voltage continuedTroubleshooting Figure 3-1Sheet 9 No Output Voltage continued3 - Troubleshooting Figure 3-1Sheet 10. No Current LimitTroubleshooting Figure 3-1Sheet 11. Unit Does Not OV3 - Troubleshooting Figure 3-1Sheet 12. High Output VoltageTroubleshooting Specific Troubleshooting ProceduresPower-on Self-testFailures Table 3-2. Self-TestError Codes/Messages3 - Troubleshooting CV/CC Status Annunciators TroubleshootingBias and Rail Voltages Table 3-3.Bias and Reference VoltagesJ307 Voltage Measurements TroubleshootingManual Fan Speed Control Disabling Protection Features3 - Troubleshooting Post-repairCalibration Inhibit Calibration SwitchCalibration Password TroubleshootingInitialization ROM UpgradeUpgrade Procedure Identifying the FirmwareTroubleshooting Disassembly ProceduresList of Required Tools Figure 3-2.Component LocationFront Panel Assembly, Removal and Replacement Cover, Removal and ReplacementA2 Interface Board, Removal and Replacement 3 - TroubleshootingT1 Power Transformer, Removal and Replacement S1 Line Switch, Removal and ReplacementA3 Front Panel Board, Removal and Replacement A1 Main Control BoardFigure 3-3.Transformer Wiring Line Voltage Wiring3 - Troubleshooting Table 4-1.Power Supply Interface signals I/O Interface SignalsPrinciples of Operation IntroductionPrimary Interface A3 Front Panel CircuitsA2 Interface Circuits Secondary InterfacePrinciples of Operation Figure 4-1.A2/A3 Block DiagramA1 Main Board Circuits Power Circuits4 - Principles of Operation Figure 4-2.A1 Block Diagram Principles of OperationControl Circuits 4 - Principles of OperationPrinciples of Operation Page Introduction Replaceable Parts ListTable 5-1.Chassis, Electrical 5 - Replaceable Parts Table 5-2.Chassis, MechanicalReplaceable Parts Figure 5-1.Mechanical Parts ldentificationTable 5-3.A1 Control Board PC Board Assembly 5 - Replaceable PartsReplaceable 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 5-5.A5 AC input/RFI Board 5 - Replaceable PartsTable 5-4.Binding Post Option #020 Table 5-6.Relay Option #760Introduction DiagramsGeneral Schematic Notes Table 6-1. Model-dependentComponentsDesignator 6 - DiagramsTable 6-1. Model-dependentComponents continued 66332ADiagrams Table 6-2.A1 Board Component Locations6 - Diagrams Table 6-2continuedFigure 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