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Agilent Technologies 6633B, 6634B, 66332A, 6632B service manual Replaceable Parts

Models: 6632B 6633B 66332A 6634B

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5 - Replaceable Parts

Designator	Model	Part Number	Qty	Description
R386	66332A/6632B	0811-1672	1	Res 3.3 Ohm 5% 2W
R386	6633B/6634B	0811-2553	1	Res 7.5 Ohm 5% 2W PW
R387	66332A/6632B	0811-1672	1	Res 3.3 Ohm 5% 2W
R387	6633B/6634B	0811-2553	1	Res 7.5 Ohm 5% 2W PW
R388	All	0757-0442	1	Res 10K 1% 0.125W
R389	66332A/6632B	0811-1672	1	Res 3.3 Ohm 5% 2W
R389	6633B	0811-2553	1	Res 7.5 Ohm 5% 2W PW
R390, 391	All	0698-8834	2	Res 9K 0.1% 0.125W
R392	66332A/6632B	0698-6320	1	Res 5K 0.1%
R392	6633B/6634B	0698-6348	1	Res 3K 0.1% 0.125W
R393	66332A/6632B/6633B	0698-6360	1	Res 10K 0.1%
R393	6634B	0698-8865	1	Res 4.45K 0.1% 0.1W
R394	66332A/6632B	0698-6358	1	Res 100K 0.1%
R394	6633B	0698-6376	1	Res 200K 0.1% 0.1W
R394	6634B	0698-7841	1	Res 164K 0.1% 0.1W
R395, 396	All	0699-1866	2	Res 2.7K 0.1%
R397	6634B	0698-3642	1	Res 3K 2W
R398	All	0757-0442	1	Res 10K 1% 0.125W
R399	All	0698-6533	1	Res 12.5K 0.1%
R400, 401	All	0757-0442	2	Res 10K 1% 0.125W
R402	All	0757-0438	1	Res 5.11K 1%
R403	All	0699-4484	1	Res 72 Ohm
R404	66332A/6632B	0757-0442	1	Res 10K 1% 0.125W
R405	All	0698-8827	1	Res 1M 1% 0.125W
R406	All	0698-3456	1	Res 287K 1%
R407	66332A/6632B	0811-1672	1	Res 3.3 Ohm 5% 2W
R407	6633B	0811-2553	1	Res 7.5 Ohm 5% 2W PW
R408	66332A/6632B	0811-1672	1	Res 3.3 Ohm 5% 2W
R408	6633B/6634B	0811-2553	1	Res 7.5 Ohm 5% 2W PW
R409	66332A/6632B	0811-1672	1	Res 3.3 Ohm 5% 2W
R409	6633B/6634B	0811-2553	1	Res 7.5 Ohm 5% 2W PW
R410	66332A/6632B	0811-1672	1	Res 3.3 Ohm 5% 2W
R410	6633B	0811-2553	1	Res 7.5 5% 2W PW
R411	66332A/6632B/6633B	8159-0005	1	Jumper
R412	66332A/6632B/6633B	0698-3454	1	Res 215K 1%
R412	6634B	0698-3459	1	Res 383K 1%
R413	66332A/6632B	0757-0442	1	Res 10K 1% 0.125W
R414	All	0699-0088	1	Res 1.2M 1%
R415	66332A/6632B	0698-6392	1	Res 22K 0.1% 0.125W
R415	6633B/6634B	0699-1510	1	Res 22.22K 0.1%.125W
R416	All	0686-7515	1	Res 750 Ohm 5% 0.5W
R417	All	0757-0442	1	Res 10K 1% 0.125W
R418	66332A/6632B	0757-0458	1	Res 51.1K 1%
R418	6633B	0698-3201	1	Res 80K 1%
R418	6634B	0698-5092	1	Res 160K 1%
R419	All	0757-0442	1	Res 10K 1% 0.125W
R420	All	0699-1972	1	Res 1.74M 0.1% 0.125W

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Agilent Technologies 6633B, 6634B, 66332A, 6632B service manual Replaceable Parts

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 SYMBOLSSafety Symbol Definitions SymbolDescription Printing History Instrument IdentificationItem Description INTRODUCTION Table of ContentsTROUBLESHOOTING VERIFICATION AND PERFORMANCE TESTSPRINCIPLES OF OPERATION REPLACEABLE PARTS LISTDIAGRAMS INDEXPage Organization Safety ConsiderationsIntroduction Related DocumentsManual Revisions RevisionsElectrostatic Discharge Firmware RevisionsVerification and Performance Tests IntroductionTest 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 Source Effect CV Noise PARDVerification 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 Load Effect CC Source Effect2 - Verification and Performance Tests Performance Test Equipment Form CC Noise PARDVerification 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 TroubleshootingDisabling Protection Features Manual Fan Speed Control3 - 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 BoardLine Voltage Wiring Figure 3-3.Transformer 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 DiagramPower Circuits A1 Main Board Circuits4 - Principles of Operation Figure 4-2.A1 Block Diagram Principles of OperationControl Circuits 4 - Principles of OperationPrinciples of Operation Page Replaceable Parts List IntroductionTable 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