Agilent Technologies 6632B, 6634B, 66332A General Schematic Notes, Model-dependent Components

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6

Diagrams

Introduction

This chapter contains drawings and diagrams for troubleshooting and maintaining the Agilent Model 66332A Dynamic Measurement DC Source and the Agilent Model 66332A/6632B/6633B/6634B System DC Power Supplies. Unless otherwise specified in the drawings, a drawing or diagram applies to all models and input voltage options.

General Schematic Notes

aComponents marked with an asterisk are model dependent (See Table 6-1).

aAll resistors are in ohms 1%, 1/8 W, unless otherwise specified.

aAll resistors are in ohms 1%, 1/8 W, unless otherwise specified.

aAll capacitors are in microfarads unless otherwise specified.

aUnless otherwise noted, bias connections to integrated-circuit packages are as follows:

 

 

Common

5 V

 

 

 

 

14-pin packages

 

pin 7

pin 14

 

 

 

 

16-pin packages

 

pin 8

pin 16

 

 

 

 

20-pin packages

 

pin 10

pin 20

 

 

 

 

 

 

Table 6-1. Model-dependent Components

 

 

Designator

66332A/

6633B

6634B

Designator

66332A/

6633B

6634B

 

6632B

 

 

 

6632B

 

 

C300, 304, 307

0.047 uF

 

 

C411

 

2.2 uF

2.2 uF

C302

18000 uF

2200 uF

1200 uF

C420, 421

 

0.022 uF

0.022 uF

C313

33,000 uF

18000 uF

8200 uF

C422, 424, 425

 

1000 pF

220 pF

C314-316

0.047 uF

 

 

C423

 

0.047 uF

0.0047 uF

C331, 332

2200 pF

 

 

C425

 

1000 pF

1000 pF

C333

0.033 uF

 

 

C426

 

 

0.1 uF

C335

3300 pF

3300 pF

0.047 pF

C427

 

 

4700 pF

C340

 

 

0.01 uF

C428-430

 

0.047 uF

0.047 uF

C344, 346

0.047 uF

0.022 uF

0.022 uF

C431, 432

 

0.22 uF

 

C349, 352

10 pF

0.033 uF

0.033 uF

C482

 

0.022 uF

0.022 uF

C359

10 pF

22 pF

22 pF

C499

6.8 uF

 

 

C360

10 pF

15 pF

10 pF

D319, 320, 321

 

Diode

Diode

C361

33 pF

 

 

D330

Diode

Diode

 

C362

180 pF

220 pF

120 pF

D400

 

 

Diode

C372, 373

0.047 uF

 

 

D499

Diode

Diode

 

C375

 

 

0.047 uF

F400, 406

0 Ohm

 

 

C376, 377

0.047 uF

0.022 uF

6800 pF

L300, 301

22 uH

 

 

C378

0.047 uF

 

 

Q312, 319

Transistor

 

 

C382

100 uF

50 uF

22 uF

R300

3K

12K

33K

C383

1 uF

 

 

R301, 302

121 Ohm

511 Ohm

2k

C403

10 pF

 

 

R313

4.7 Ohm

10 Ohm

10 Ohm

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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 Post-repair Calibration Initialization ROM UpgradeDisassembly Procedures Introduction General Schematic Notes BackdatingPage Chapter Safety ConsiderationsOrganization Related DocumentsFirmware Revisions RevisionsElectrostatic Discharge Manual RevisionsTest Equipment Required IntroductionMeasurement Techniques Test SetupCurrent-Monitoring Resistor Operation Verification TestsPerformance Tests Electronic LoadCV Load Effect CV SetupConstant Voltage CV Tests Voltage Programming and Readback AccuracyCV Noise Pard CV Source EffectCurrent Programming and Readback Accuracy Transient Recovery TimeCC Setup Constant Current CC TestsCC Load and Line Regulation Current Sink -CC OperationLow Range Current Readback Accuracy CC Source Effect CC Load EffectCC Noise Pard Performance Test Equipment FormPerformance Test Record Forms Iout Iout + 4.3 mA Iout + 0.25 mAIout Iout + 2.3 mA Troubleshooting Type Purpose Recommended Model Overall TroubleshootingFlow Charts Test Equipment Required for TroubleshootingSheet 1. Main Flowchart Sheet 2. Main Flowchart Sheet 3. Main Flowchart Sheet 4. OV at Turn-On Sheet 5. OV at Turn-On Sheet 6. FS Indicated but Fuse OK Sheet 7. No Output Voltage Sheet 8. No Output Voltage Sheet 9 No Output Voltage Sheet 10. No Current Limit Sheet 11. Unit Does Not OV Sheet 12. High Output Voltage Error Code Description Probable Cause Specific Troubleshooting ProceduresPower-on Self-test Failures Self-Test Error Codes/MessagesBias Test Point Common Measurement CV/CC Status Annunciators TroubleshootingBias and Rail Voltages Bias and Reference VoltagesVoltage Measurements at J307 A2 Interface to A1 Main board J307 Voltage MeasurementsManual Fan Speed Control Disabling Protection FeaturesPost-repair Calibration Inhibit Calibration SwitchCalibration Password Identifying the Firmware ROM UpgradeUpgrade Procedure InitializationList of Required Tools Disassembly ProceduresRemote sense leads before attempting disassembly Front Panel Assembly, Removal and Replacement Cover, Removal and ReplacementA2 Interface Board, Removal and Replacement A1 Main Control Board S1 Line Switch, Removal and ReplacementA3 Front Panel Board, Removal and Replacement T1 Power Transformer, Removal and ReplacementTransformer Wiring Line Voltage WiringConnector Signal Description Interface SignalsPower Supply Interface signals Secondary Interface A3 Front Panel CircuitsA2 Interface Circuits Primary InterfaceA2/A3 Block Diagram A1 Main Board Circuits Power CircuitsA1 Block Diagram Control Circuits Principles of Operation Page Designator Model PartNumber Qty Description Chassis, ElectricalDesignator Model Part Number Qty Description Chassis, MechanicalMechanical Parts ldentification A1 Control Board PC Board Assembly Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Relay Option #760 Binding Post Option #020A5 AC input/RFI Board Model-dependent Components General Schematic NotesDiagrams A1 Board Component Locations R434 825 R500 175 325 R435 R505 A1 Board Component Locations A4 and A6 Board Component Locations A1 Board schematic sheet A1 Board schematic sheet A1 Board schematic sheet A6 Relay Option Board schematic Index Index
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Manual 103 pages 34 Kb Manual 83 pages 60.43 Kb

6632B, 6633B, 66332A, 6634B specifications

Agilent Technologies, a leader in electronic test and measurement solutions, offers a range of power supplies designed to meet various application needs. Notable models include the 6632B, 6634B, 66332A, 6633B, and 6612C. Each of these units provides unique features and technologies that cater to researchers, engineers, and technicians in the industry.

The Agilent 6632B is a single-output DC power supply that delivers up to 30V and 3A. It is known for its excellent load regulation and low noise, making it ideal for sensitive electronic testing. The model includes built-in voltage and current measurement capabilities, allowing users to monitor output conditions in real time. The 6632B is commonly used in laboratory environments, educational institutions, and manufacturing lines.

Moving to the 6634B, this model offers dual-output capabilities with a maximum output of 30V and 6A. This versatility enables simultaneous powering of two different devices or circuit sections. It also features parallel and series operation options, allowing users to create a custom power supply configuration for specific applications. With a programmable interface, the 6634B simplifies test automation, ensuring efficiency in extensive testing scenarios.

The Agilent 66332A stands out with its precision and high performance. This power supply provides three outputs—two programmable and one fixed—yielding flexible power configurations. Its intuitive user interface allows easy adjustment of voltage and current settings. The device is equipped with extensive protection features to safeguard both the power supply and the connected load against faults. It is an excellent choice for complex testing setups that require reliable power.

The 6633B model offers a high-performance power supply with dual outputs, similar to the 6634B but with enhanced specifications. It can provide up to 40V and 2A per channel, delivering precision for demanding applications. This model is particularly suited for industries focused on high-reliability applications, such as telecommunications and aerospace.

Lastly, the Agilent 6612C is a compact and lightweight power supply providing single-output up to 60V and 2A. This model is designed for simplicity and ease of use, making it an excellent choice for portable applications. The 6612C’s unique characteristics include a compact design and user-friendly controls, which facilitate operation in field settings.

In summary, Agilent Technologies’ power supply models—6632B, 6634B, 66332A, 6633B, and 6612C—offer an array of features that cater to a wide range of testing and research needs, ensuring reliable power delivery in various contexts.
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