FET Board A4 Component Location 108 | Agilent Technologies 6031A

Figure 6-5. FET Board (A4) Component Location

108

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Agilent Technologies 6031A, 6035A, 6032A, 6030A service manual FET Board A4 Component Location 108

Contents

Agilent Part No Microfiche Part No 6032A and 6035A Certification Safety Summary Safety Symbol Definitions Symbol DescriptionPrinting History Table of Contents Principles of Operation Component Location and Circuit DiagramsEeprom Replaceable Parts Blank Front Panel Option 125 L00 Vac Input Power Option 119 Introduction Manual Revisions Firmware RevisionsItem Description Calibration and Verification Calibration ProcedureIntroduction Test Equipment Required Test Equipment Required Type Required Characteristics USE Recommended Model CR4 Initial Setup Voltage Monitor Zero Calibration Common Mode CalibrationRemote Readback Zero Calibration Disp a Common Mode Setup Voltage Monitor and Remote Readback Full Scale Calibration Constant Voltage Full Scale Calibration Constant Voltage Zero Calibration Current Monitor Zero CalibrationConstant Current Zero Calibration Constant Current Full Scale Calibration Current Monitor Full Scale Calibration Power Limit Calibration Resistance Programming Full Scale Calibration Performance TestsMeasurement Techniques Constant Voltage CV Tests Current-Monitoring Resistor Setup Disp a Basic Test Setup Page RMS Measurement Test Setup, CV Pard Test Peak-To-Peak Measurement Test Setup, CV Pard Test Constant Current CC Tests Load Transient Recovery WaveformPage Page CC Pard Test Setup Initialization Procedure Initial Troubleshooting Procedures Troubleshooting Electrostatic Protection Repair and Replacement A4 FET Board Removal A2 Control Board Removal A8 Gpib Board Removal A5 Diode Board RemovalA3 Front-Panel Board Removal A1 Main Board Removal Overall Troubleshooting Procedure Gpib Section TroubleshootingA1 Designator Wire color A3S1 Position Rear View Troubleshooting Isolation Troubleshooting Isolation Primary Interface Troubleshooting ErrorGo to Secondary SA Voltage and Current DAC Secondary Interface TroubleshootingNode Measurement Source Address Lines Data Lines Clock and Primary SA Waveforms Node Setup Measurement Readback DAC CircuitsReadback Multiplexer U20 Readback and Secondary SA Waveforms Signature Analysis Primary SAFront Panel SA Primary and Front Panel Signature Analyzer Test Setups Secondary Signature Analyzer Test SetupsSecondary SA 00.04 00.02 00.01 00.00 Front Panel LED Display and Indicator Drivers Inputs Node MeasurementOutputs Current Display Voltage Display Inputs Node Measurements 1ABCC7AA Procedure Node Secondary Processor Signature Table Power Section Troubleshooting Main Troubleshooting Setup Main Troubleshooting Setup Troubleshooting No-Output Failures Modified Mains Cord Set For Troubleshooting Power Section Blocks Vdc Control Board Test Connector, A2J7 10. Performance Failure Symptoms Status of FET On/Off-PulsesA2J7-26 A2J7-25 Troubleshooting DC-To-DC Converter Troubleshooting AC-Turn-On CircuitsInputs Node + Outputs Node + Inputs Node + A2J7-26PWM-ONA2J7-25PWM-OFF Troubleshooting Bias SuppliesOutputs Node Input Node + Waveforms A2C52 + ≈ + 25Vdc A1U4 Outputs Troubleshooting CV Circuit Troubleshooting Down ProgrammerON/OFF OFF Troubleshooting OVP Circuit Troubleshooting CC Circuit Outputs Troubleshooting PWM & ClockNode + External Vdc Inputs Outputs SET Voltage Vdc Node + +OUTOverrange Principles of Operation Address SwitchesGpib Board Primary Microprocessor Gpib Block Diagram Secondary Microprocessor IsolationDigital-to-Analog Converters Analog Multiplexer Front Panel Board Front-Panel Switches and Input PortAddress Latches and Decoders Volts and Amps Output Ports and Displays Front Panel Block Diagram OVP Adjust Control Mode IndicatorsPower Clear Power Mesh and Control Board FET Control Signals Timing Diagram Power MeshPage Control Board Page Page Power Mesh Block Diagram Control Board Block Diagram Reference Designators Replaceable Parts Description Abbreviations Ordering Information Main Board Assembly CR1 CR2DS1 A1 Mechanical VR1 Control Board Assembly Page Page Page Page Page Page VR5 VR2VR6 Front Panel Board TS1 FET Board CR3 Diode BoardCR5 CR6Page AC Input Filter Gpib Board Page IC RAM MCM6164C55 IC Eprom AM27512IC Uart MC68B50P IC Eeprom NMC9346 Output Board A8 MechanicalChassis Electrical CB1 100 Component Location and Circuit Diagrams Schematic Diagram Notes101 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 106 107 Component Location 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 Suggestions for Using Appendix a L00 Vac Input Power OptionGeneral Information Description Scope of Appendix a 120 121 122 123 6 Manual Changes 125 Blank Front Panel Option 126 Troubleshooting Isolation option 127 Agilent 6030A Test Record Performance Test Record Agilent 6030A Power Supply Page 1Test Facility Agilent 6030A 130 Performance Test Record Agilent 6030A Power Supply Page 2 Agilent 6031A Test Record Performance Test Record Agilent 6031A Power Supply Page 1Agilent 6031A 131 Current Programming Constant Current Tests Readback Performance Test Record Agilent 6031A Power Supply Page 2Load Effect 50.0A Source Effect 120A Agilent 6032A Test Record Performance Test Record Agilent 6032A Power Supply Page 1Agilent 6032A 133 Load Effect 16.5A Performance Test Record Agilent 6032A Power Supply Page 2Source Effect 50.0A 134 Agilent 6035A Test Record Performance Test Record Agilent 6035A Power Supply Page 1Agilent 6035A 135 Load Effect 2.0A Performance Test Record Agilent 6035A Power Supply Page 2Source Effect 5.0A 136 137 Manual Backdating 138 Change 139