Power Section Blocks | Agilent Technologies 6035A, 6031A, 6032A

AlR1, AlR3, and AlU1 connect to the ac mains voltage. Use a voltmeter with both input terminals floating to measure the rail voltage.

a.Select the functional circuit for troubleshooting based on your measurements and Table 3-11, which provides direction based on the status of the PWM OFF and PWM ON signals.

Figure 3-6. Modified Mains Cord Set For Troubleshooting

Power Section Blocks

This section contains the blocks referenced in Tables 3-10 and 3-11.

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Agilent Technologies 6035A, 6031A, 6032A, 6030A Power Section Blocks, Modified Mains Cord Set For Troubleshooting

Contents

6032A and 6035A Agilent Part No Microfiche Part No Certification Safety Summary Symbol Description Safety Symbol DefinitionsPrinting History Table of Contents Component Location and Circuit Diagrams Principles of OperationEeprom Replaceable Parts L00 Vac Input Power Option 119 Blank Front Panel Option 125 Introduction Firmware Revisions Manual RevisionsItem Description Calibration Procedure Calibration and VerificationIntroduction Test Equipment Required Type Required Characteristics USE Recommended Model Test Equipment Required CR4 Initial Setup Common Mode Calibration Voltage Monitor Zero CalibrationRemote Readback Zero Calibration Disp a Common Mode Setup Constant Voltage Full Scale Calibration Voltage Monitor and Remote Readback Full Scale Calibration Current Monitor Zero Calibration Constant Voltage Zero CalibrationConstant Current Zero Calibration Current Monitor Full Scale Calibration Constant Current Full Scale Calibration Power Limit Calibration Performance Tests Resistance Programming Full Scale CalibrationMeasurement Techniques Current-Monitoring Resistor Setup Constant Voltage CV Tests Disp a Basic Test Setup Page RMS Measurement Test Setup, CV Pard Test Peak-To-Peak Measurement Test Setup, CV Pard Test Load Transient Recovery Waveform Constant Current CC TestsPage Page Initialization Procedure CC Pard Test Setup Troubleshooting Initial Troubleshooting Procedures Repair and Replacement Electrostatic Protection A2 Control Board Removal A4 FET Board Removal A5 Diode Board Removal A8 Gpib Board RemovalA3 Front-Panel Board Removal A1 Main Board Removal Gpib Section Troubleshooting Overall Troubleshooting ProcedureA1 Designator Wire color A3S1 Position Rear View Troubleshooting Isolation Troubleshooting Isolation Error Primary Interface TroubleshootingGo to Secondary SA Secondary Interface Troubleshooting Voltage and Current DACNode Measurement Source Address Lines Data Lines Clock and Primary SA Waveforms Readback DAC Circuits Node Setup MeasurementReadback Multiplexer U20 Readback and Secondary SA Waveforms Primary SA Signature AnalysisFront Panel SA Secondary Signature Analyzer Test Setups Primary and Front Panel Signature Analyzer Test SetupsSecondary SA 00.04 00.02 00.01 00.00 Inputs Node Measurement Front Panel LED Display and Indicator DriversOutputs Current Display Voltage Display 1ABC Inputs Node MeasurementsC7AA Procedure Node Power Section Troubleshooting Secondary Processor Signature Table Main Troubleshooting Setup Main Troubleshooting Setup Troubleshooting No-Output Failures Power Section Blocks Modified Mains Cord Set For Troubleshooting Control Board Test Connector, A2J7 Vdc Status of FET On/Off-Pulses 10. Performance Failure SymptomsA2J7-26 A2J7-25 Troubleshooting AC-Turn-On Circuits Troubleshooting DC-To-DC ConverterInputs Node + Outputs Node + Troubleshooting Bias Supplies Inputs Node + A2J7-26PWM-ONA2J7-25PWM-OFFOutputs Node Input Node + Waveforms A2C52 + ≈ + 25Vdc A1U4 Outputs Troubleshooting Down Programmer Troubleshooting CV CircuitON/OFF OFF Troubleshooting CC Circuit Troubleshooting OVP Circuit Troubleshooting PWM & Clock OutputsNode + External Vdc Inputs +OUT Outputs SET Voltage Vdc Node +Overrange Address Switches Principles of OperationGpib Board Primary Microprocessor Gpib Block Diagram Isolation Secondary MicroprocessorDigital-to-Analog Converters Analog Multiplexer Front-Panel Switches and Input Port Front Panel BoardAddress Latches and Decoders Volts and Amps Output Ports and Displays Front Panel Block Diagram Mode Indicators OVP Adjust ControlPower Clear Power Mesh and Control Board Power Mesh FET Control Signals Timing DiagramPage Control Board Page Page Power Mesh Block Diagram Control Board Block Diagram Replaceable Parts Reference Designators Ordering Information Description Abbreviations Main Board Assembly CR2 CR1DS1 VR1 A1 Mechanical Control Board Assembly Page Page Page Page Page Page VR2 VR5VR6 Front Panel Board FET Board TS1 Diode Board CR3CR5 CR6Page AC Input Filter Gpib Board Page IC Eprom AM27512 IC RAM MCM6164C55IC Uart MC68B50P IC Eeprom NMC9346 A8 Mechanical Output BoardChassis Electrical CB1 100 Schematic Diagram Notes Component Location and Circuit Diagrams101 102 Top View, Top Covers Removed 103 Page 2B a Main Board A1 and Output Filter Component Location 105 2C a Main Board A1 and Output Filter Component Location 106 Component Location 107 FET Board A4 Component Location 108 6A A/35A Diode Board A5 Component Location 6C a Diode Board A5 Component Location Gpib Board A8 Component Location 111 A Output Board A9 Component Location 112 Page Page Page Page 13A. Gpib Board Schematic Diagram 13B. Gpib Board Schematic Diagram L00 Vac Input Power Option Suggestions for Using Appendix aGeneral Information Description Scope of Appendix a 120 121 122 6 Manual Changes 123 Blank Front Panel Option 125 126 Troubleshooting Isolation option 127 Performance Test Record Agilent 6030A Power Supply Page 1 Agilent 6030A Test RecordTest Facility Agilent 6030A Performance Test Record Agilent 6030A Power Supply Page 2 130 Performance Test Record Agilent 6031A Power Supply Page 1 Agilent 6031A Test RecordAgilent 6031A 131 Performance Test Record Agilent 6031A Power Supply Page 2 Current Programming Constant Current Tests ReadbackLoad Effect 50.0A Source Effect 120A Performance Test Record Agilent 6032A Power Supply Page 1 Agilent 6032A Test RecordAgilent 6032A 133 Performance Test Record Agilent 6032A Power Supply Page 2 Load Effect 16.5ASource Effect 50.0A 134 Performance Test Record Agilent 6035A Power Supply Page 1 Agilent 6035A Test RecordAgilent 6035A 135 Performance Test Record Agilent 6035A Power Supply Page 2 Load Effect 2.0ASource Effect 5.0A 136 Manual Backdating 137 Change 138 139