Agilent Technologies AGILENT MODELS 6023A and 6028A service manual Option 220 220V Operation

Page 68

Table 5-7. Other Replacement Assemblies (continued)

Ref. Desig.

Agilent Model

 

Agilent Part Number

 

Description

 

All

 

4040-1954

 

Window, display

 

6023A

 

5020-8847

 

Trim strip

 

All

 

5041-8803

 

Trim strip, top

 

All

 

5001-0540

 

Trim, side 7in

 

All

 

5021-8417

 

Frame front

 

All

 

5041-8801

 

Foot

 

All

 

5041-8819

 

Retainer, strap handle

 

All

 

5041-8820

 

Retainer, strap handle

 

All

 

5041-0309

 

Key cap, quarter

 

All

 

5062-3703

 

Assembly, handle strap

 

All

 

7120-1254

 

Nameplate

 

All

 

7120-8572

 

Canadian Standards Association Label (ref.

 

 

 

 

 

rear panel)

 

All

 

7121-2527

 

Metric and Inch Label (ref. rear panel)

 

All

 

7121-2794

 

Serial Identification Label (ref. rear panel)

 

6023A

 

06023-00016

 

Chassis

 

6028A

 

06023-00001

 

Chassis

 

All

 

06023-00020

 

Cover, top

 

All

 

06023-00022

 

Cover, bottom

 

6023A

 

06023-00004

 

Bracket, upper

 

6023A

 

06023-00014

 

Panel, sub

 

6023A

 

06023-00018

 

Sub panel, front

 

6023A

 

06023-00007

 

Bus bar, negative

 

6023A

 

06023-00008

 

Bus bar, positive

 

All

 

06023-00009

 

Cover, bar block

 

6023A

 

06023-00010

 

Cover,(top plate screened)

 

6028A

 

06023-00026

 

Cover,(top plate screened)

 

6023A

 

06023-00019

 

Rear panel, screened

 

6028A

 

06023-00011

 

Rear panel, screened

 

All

 

06028-00021

 

Front-panel, screened

 

All

 

06023-81003

 

Line Voltage Label (ref. rear panel) 28480

 

6023A

 

06023-90001

 

Operating and Service manual

 

6028A

 

06028-90001

 

Operating and Service manual

 

6023A

 

1990-0521

 

Cover, terminal block

 

 

 

Option 220 (220V Operation)

 

All

 

2110-0055

 

Fuse 4A 250V (rear chassis)

 

 

 

 

All

 

2110-0383

 

Fuse 8A 250V (rear chassis)

 

All

 

7120-8572

 

Label, info

 

All

 

06023-81001

 

Label, info

 

 

 

Option 240 (240V Operation)

 

All

 

2110-0055

 

Fuse 4A 250V (rear chassis)

 

 

 

 

All

 

2110-0383

 

Fuse 8A 250V (rear chassis)

 

All

 

7120-8572

 

Label, info

 

All

 

06023-81002

 

Label, info

68

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Contents Autoranging Certification Safety Summary Safety Symbol Definitions Printing HistoryTable of Contents Replaceable Parts Troubleshooting Circuit DiagramsSafety Considerations ScopeManual Revisions Item DescriptionCalibration Procedure IntroductionTest Equipment Required Operation Verification TestsType Required Characteristics USE Recommended Model Test Equipment RequiredInitial Setup 1KVACalibration Procedure MONVout IoutCR7 Performance TestsMeasurement Techniques Current-Monitoring Resistor Setup Constant Voltage CV TestsBasic Test Setup RMS Measurement Test Setup, CV Pard Test Peak-To-Peak Measurement Test Setup, CV Pard Test 6023A 6028A KHz Noise, CV Peak-to-Peak PardLoad Transient Recovery Waveform Constant Current CC Tests CC Pard Test Setup Troubleshooting Initial Troubleshooting ProceduresControl Board Test Connector, A2J7 PIN no Signal NameVdc WAVEFORM/CONDITIONS SourceRepair and Replacement Electrostatic ProtectionA2 Control Board Removal A4 Power Mesh Board Removal Overall Troubleshooting ProcedureA3 Front-Panel Board Removal A1 Main Board RemovalUsing the Tables SetupNode MeasurementMain Troubleshooting Setup Main Troubleshooting SetupModified Mains Cord Set For Troubleshooting Troubleshooting No-Output Failures Front-Panel TroubleshootingBoard PWM-ON PWM-OFF Defective Check Functional CircuitsA2J7-26 A2J7-25 Troubleshooting Bias Supplies Symptoms Defective Circuit Check ComponentsSymptoms Defective Check Functional Circuits Board Node + Measurement SourceNode + N0DE Node +Measurement Source Power Section Blocks Troubleshooting AC-Turn-on CircuitsSetup Measurement Source Setup MeasurementPower Limit Troubleshooting PWM & ClockRelay Enable Troubleshooting DC-To-DC Converter + OUTPWM-ON PWM-OFFTroubleshooting CV Circuit Troubleshooting CC CircuitA4U4OUT Troubleshooting Down ProgrammerTroubleshooting OVP Circuit Waveforms SET Voltage Vdc Node + Page Autoranging Power Block Diagram OverviewBlock Diagram Simplified Schematic Simplified Schematic DC-to-DC Converter Down ProgrammerPfet Control Signals Timing Diagram Constant-Voltage CV CircuitPower-Limit Comparator Constant-Current CC CircuitOvervoltage Protection OVP Circuit Control-Voltage ComparatorInitial-Ramp Circuit Pulse-Width Modulator PWMBias Voltage Detector AC-Surge Dropout DetectorSecond-Delay Circuit Display CircuitsPage Replaceable Parts Reference DesignatorsOrdering Information Description AbbreviationsElectrical Parts CR1CR2 CR3Mechanical Parts XA2P1XA2P2 Control Board Assembly CR3 Page Page Page VR5 VR3VR4 DS5 CR5DS1 VR2 IC A/D Cmos 3-1/2 DGTVR1 NPN SI PfetTS1 Chassis ElectricalA1TB1 A2 Board Mechanical PartsA3 Board Mechanical Parts A4 Board Mechanical PartsOption 220 220V Operation Option 240 240V OperationComponent Location and Circuit Diagrams Schematic Diagram Notes Pin locations for other semi-conductors are shown below Top View, Top Covers Removed Main Board A1 Component Location Control Board A2 Component Location Front-Panel Board A3 Component Location Power Mesh Board A4 Component Location Page Page Option 002 Hardware SpecificationsGeneral Information Table A-1. Specifications, Option Remote Programming Input Compliance Voltage ± Current Programming EnableOutput Impedance 10.2 k ohm ± 5% Temperature Coefficient Status IndicatorsRemote Trip and Remote Reset Timing Power-on PresetMaximum Output Voltage logic high + On State logic lowTable A-1. Specifications, Option Pulse Timing Bias Supplies DC Output Ratings 25C ±Short Circuit Output Current Pard TypicalInstallation Connector Assembly ProcedureFigure A-1. Mating Connector Assembly OperationLocal/Remote Programming Resistance Voltage or Current Remote Resistance Programming Figure A-4. Calculating Value of Series Dropping ResistorFigure A-5. Remote Resistance Programming Remote Monitoring Status Indicators Remote ControlRemote Reset OvervoltagePower-On Preset Figure A-8. Remote ControlAC Dropout Buffer Circuit Multiple Supply System ShutdownMaintenance Bias SuppliesTroubleshooting Resistance and Voltage Programming Troubleshooting Current ProgrammingFigure A-11. Troubleshooting Current Programming of CV Mode Figure A-13. Troubleshooting Status Indicators Page Table A-3. Replacement Parts REF. Desig Model no Description100 VR9 101Indicator and Qualifier Symbols OLD Symbol NEW SymbolLogic Symbols and Definitions 102 DefinitionsSchematic Notes Schematic Diagram Notes 103Schematic Notes Figure A-15. Option 002 Board, Component Location 104Figure A-16. Option 002 Board, Schematic Diagram 105 Page 107 Model 6023AModel 6028A From 108
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