Agilent Technologies AGILENT MODELS 6023A and 6028A service manual Npn Si, Pfet

Page 65

Table 5-6. A4 Power Mesh Parts List

Ref. Desig.

Agilent Model

Agilent Part Number

Description

A4

 

06038-61022

Power Mesh Assembly

C1

All

0160-5891

Fixed met 0.47∝F +l0% 630V

C2

All

0160-5422

Fixed cer 0.047∝F +20% 50V

C5,6

All

0160-4960

Fixed film 2200pF +10% 1.6kV

C7

All

0180-0155

Fixed elect 2.2∝F +20% 20V

C8

All

0160-0127

Fixed ceramic l∝F +20% 25V

C9

All

0180-2780

Fixed elect 470∝F +75-10% 16V

C10

All

0160-4834

Fixed cer 0.047∝F +10% 100V

C11,12

All

0160-4835

Fixed cer 0.1∝F +10% 50V

C13

All

0160-0161

Fixed poly 0.01∝F +10% 200V

CR1-4

All

1901-0050

Switching 80V 200mA

CR5,6

All

1901-1065

Pwr rect 400V lA

CR7

All

1901-1127

Pwr rect 150V 70A

CR10,11

All

1901-0050

Switching 80V 200mA

CR13,14

All

1901-1087

Pwr rect 600V 3A

F1,2

All

2110-0671

Axial lead, 1/8A

F3

6023A

2110-0699

Fuse, 5A 125V

F3

6028A

2110-0688

Fuse, 5A 125V

L3

All

06024-80096

Inductor, 3A

L4

All

9170-1265

Core, ferrite, 5uH

P1,2

All

1251-8807

Connector, DIN type 32-contact F

Q1,2

All

1854-0477

NPN SI

Q3,4

6023A

1855-0916

MOSFET N-channel

Q3,4

6028A

1855-0547

PFET

Q6

All

1854-0264

NPN SI

Q7

All

1855-0549

PFET

R1,2

All

0686-0275

Fixed comp. 2.7 5% 1/2W

R3

All

0683-3915

Fixed comp. 390 5% 1/4W

R4

All

0683-1015

Fixed comp. 100 5% 1/4W

R5

All

0683-4705

Fixed comp. 47 5% 1/4W

R6

All

0683-1045

Fixed comp. l00K 5% 1/4W

R7

All

0811-1857

Fixed ww 400 5% 5W

R8

All

0698-3601

Fixed met ox 10 5% 2W

R9

All

0683-3915

Fixed comp. 390 5% 1/4W

R10

All

0683-1015

Fixed comp. 100 5% 1/4W

R11

All

0683-4705

Fixed comp. 47 5% 1/4W

R12

All

0683-1045

Fixed comp. 100K 5% 1/4W

R13

All

0811-1857

Fixed ww 400 5% 5W

R14

All

0698-3601

Fixed met ox 10 5% 2W

R15

All

0757-0403

Fixed film 121 1% 1/8W

R16

All

0683-3305

Fixed comp. 33 5% 1/4W

R17

All

0683-1025

Fixed comp. 1K 5% 1/4W

R18

All

0683-0475

Fixed comp. 4.7 5% 1/4W

R19

All

0683-2025

Fixed comp. 2K 5% 1/4W

R20

All

0683-0275

Fixed comp. 2.7 5% 1/4W

R21,22

All

0683-0475

Fixed comp. 4.7 5%. 1/4W

R23

All

0683-2725

Fixed comp. 2.7K 5% 1/4W

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Contents Autoranging Certification Safety Summary Printing History Safety Symbol DefinitionsTable of Contents Replaceable Parts Circuit Diagrams TroubleshootingSafety Considerations ScopeItem Description Manual RevisionsIntroduction Calibration ProcedureTest Equipment Required Operation Verification TestsTest Equipment Required Type Required Characteristics USE Recommended Model1KVA Initial SetupMON Calibration ProcedureIout VoutCR7 Performance TestsMeasurement Techniques Constant Voltage CV Tests Current-Monitoring Resistor SetupBasic Test Setup RMS Measurement Test Setup, CV Pard Test Peak-To-Peak Measurement Test Setup, CV Pard Test KHz Noise, CV Peak-to-Peak Pard 6023A 6028ALoad Transient Recovery Waveform Constant Current CC Tests CC Pard Test Setup Initial Troubleshooting Procedures TroubleshootingPIN no Signal Name Control Board Test Connector, A2J7Vdc WAVEFORM/CONDITIONS SourceElectrostatic Protection Repair and ReplacementA2 Control Board Removal Overall Troubleshooting Procedure A4 Power Mesh Board RemovalA3 Front-Panel Board Removal A1 Main Board RemovalSetup Using the TablesNode MeasurementMain Troubleshooting Setup Main Troubleshooting SetupModified Mains Cord Set For Troubleshooting Front-Panel Troubleshooting Troubleshooting No-Output FailuresBoard PWM-ON PWM-OFF Defective Check Functional CircuitsA2J7-26 A2J7-25 Symptoms Defective Circuit Check Components Troubleshooting Bias SuppliesSymptoms Defective Check Functional Circuits Board Node + Measurement SourceNode + N0DE Node +Measurement Source Troubleshooting AC-Turn-on Circuits Power Section BlocksSetup Measurement Source Setup MeasurementPower Limit Troubleshooting PWM & ClockRelay Enable + OUT Troubleshooting DC-To-DC ConverterPWM-ON PWM-OFFTroubleshooting CC Circuit Troubleshooting CV CircuitA4U4OUT Troubleshooting Down ProgrammerTroubleshooting OVP Circuit Waveforms SET Voltage Vdc Node + Page Block Diagram Overview Autoranging PowerBlock Diagram Simplified Schematic Simplified Schematic Down Programmer DC-to-DC ConverterConstant-Voltage CV Circuit Pfet Control Signals Timing DiagramConstant-Current CC Circuit Power-Limit ComparatorOvervoltage Protection OVP Circuit Control-Voltage ComparatorPulse-Width Modulator PWM Initial-Ramp CircuitBias Voltage Detector AC-Surge Dropout DetectorDisplay Circuits Second-Delay CircuitPage Reference Designators Replaceable PartsDescription Abbreviations Ordering InformationCR1 Electrical PartsCR2 CR3Mechanical Parts XA2P1XA2P2 Control Board Assembly CR3 Page Page Page VR5 VR3VR4 DS5 CR5DS1 VR2 IC A/D Cmos 3-1/2 DGTVR1 Pfet NPN SIChassis Electrical TS1A2 Board Mechanical Parts A1TB1A3 Board Mechanical Parts A4 Board Mechanical PartsOption 240 240V Operation Option 220 220V 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 Input Compliance Voltage ± Current Programming Enable Table A-1. Specifications, Option Remote ProgrammingOutput Impedance 10.2 k ohm ± 5% Temperature Coefficient Status IndicatorsPower-on Preset Remote Trip and Remote Reset TimingMaximum Output Voltage logic high + On State logic lowBias Supplies DC Output Ratings 25C ± Table A-1. Specifications, Option Pulse TimingShort Circuit Output Current Pard TypicalConnector Assembly Procedure InstallationOperation Figure A-1. Mating Connector AssemblyLocal/Remote Programming Resistance Voltage or Current Figure A-4. Calculating Value of Series Dropping Resistor Remote Resistance ProgrammingFigure A-5. Remote Resistance Programming Remote Monitoring Remote Control Status IndicatorsOvervoltage Remote ResetFigure A-8. Remote Control Power-On PresetMultiple Supply System Shutdown AC Dropout Buffer CircuitBias Supplies MaintenanceTroubleshooting Current Programming Troubleshooting Resistance and Voltage ProgrammingFigure A-11. Troubleshooting Current Programming of CV Mode Figure A-13. Troubleshooting Status Indicators Page REF. Desig Model no Description Table A-3. Replacement Parts100 101 VR9OLD Symbol NEW Symbol Indicator and Qualifier SymbolsLogic Symbols and Definitions 102 DefinitionsSchematic Diagram Notes 103 Schematic NotesFigure A-15. Option 002 Board, Component Location 104 Schematic NotesFigure A-16. Option 002 Board, Schematic Diagram 105 Page 107 Model 6023AModel 6028A 108 From