Manuels d'utilisation pour Fluke Car Amplifier 5725A

Table des matières

• 5725A Instruction Manual

  1
  • Table of Contents

    3
  • List of Tables

    7
  • List of Figures

    9
  • Interference Information

    11
  • Declaration of the Manufacturer or Importer

    11
  • Bescheinigung des Herstellers/Importeurs

    11
• Safety

  13
  • OPERATOR SAFETY SUMMARY

    13
    • Terms in this Manual

      13
    • Symbols Marked on Equipment

      14
    • Power Source

      14
    • Use the Proper Fuse

      14
    • Grounding the 5725A

      14
    • Use the Proper Power Cord

      14
    • Do Not Operate in Explosive Atmospheres

      14
    • Do Not Remove Cover

      14
    • Do Not Attempt to Operate if Protection May be Impaired

      14
  • SERVICING SAFETY SUMMANY

    15
    • Do Not Service Alone

      15
    • Use Care When Servicing With Power On

      15
  • FIRST AID FOR ELECTRIC SHOCK

    16
    • Free the Victim From the Live Conductor

      16
    • Get Help!

      16
    • Never Accept Ordinary and General Tests for Death

      16
    • Treat the Victim

      16
• 1. Introduction and Specifications

  17
  • Introduction

    19
  • Where to Go From Here

    20
  • How to Use the Manuals

    21
    • 5725A Instruction Manual

      21
    • 5700A Operator Manual

      21
    • 5700A Operator Reference Guide

      21
    • 5700A Remote Programming Reference Guide

      21
    • 5700A Service Manual

      22
  • Specifications

    22
    • DC Voltage

      23
    • AC Voltage

      24
    • Resistance

      27
    • Current Derating Factors

      28
    • DC Current

      29
    • AC Current

      30
    • Wideband AC Voltage (Option -03)

      32
    • General Specifications:

      33
• 2. Installation

  35
  • Introduction

    37
  • Unpacking and Inspection

    37
  • Service Information

    39
  • Placement and Rack Mounting

    39
  • Cooling Considerations

    39
  • Connecting to the 5700A Calibrator

    40
  • Selecting Line Voltage

    41
  • Accessing the Fuse

    42
  • Connecting to Line Power

    43
• 3. Operating Notes

  45
  • Introduction

    47
  • Front Panel Features

    48
  • Rear Panel Features

    50
  • Turning on the 5725A Amplifier

    52
  • Warm Up

    52
  • 5725A Operating Functions and Modes

    53
    • Standby

      53
    • Voltage Standby

      54
    • Current Standby

      55
    • Voltage Operate

      56
    • Current Operate

      57
  • Conditions That Activate the 5725A

    58
• 4. Theory of Operation

  59
  • Introduction

    61
  • Overall Functional Description

    61
    • 1100V AC Range Functional Description

      63
    • 11A Range Functional Description

      64
      • Operation in the 11A DC Range

        65
      • Operation in the 11A AC Range

        65
    • Voltage and Current Standby Modes

      65
      • Voltage Standby

        65
      • Current Standby

        65
    • How the 5700A and 5725A Communicate

      66
      • Description of the Out-Guard Lines (5725A Side)

        66
      • Description of the In-Guard Lines

        67
    • Functional Summaries by Assembly

      68
  • Detailed Circuit Description

    69
    • Interconnect Assembly (A1)

      69
    • Power Supply Assembly (A4)

      70
      • High Voltage Supply Section

        71
      • Switching Section

        72
      • Current-Limit Section

        73
      • System Supply Section

        73
      • Fan Supply Section

        74
    • Digital Assembly (A5)

      74
      • Microcomputer

        74
      • External RAM

        74
      • External ROM

        74
      • EEROM

        76
      • Data Latch

        76
      • Strobe Lines

        76
      • Led Driver

        76
      • Optoisolator Link

        76
      • Break-Detect Circuitry

        77
      • Power Up and Reset Circuitry

        77
      • Watchdog Timer

        77
    • Current Amplifier Assembly (A2)

      77
      • Error Amplifier Section

        79
      • Output Stage Section

        80
      • Monitor Section

        80
      • Control and Switching Section

        81
      • Power Supply Section

        81
    • High Voltage Amplifier (A3)

      82
      • Input Amplifier

        82
      • Integrator

        84
      • Window Comparator

        84
      • Input Clamp

        84
      • Transconductance and Cascode Stage

        85
      • Midstage

        85
      • Midstage -400V Filter

        85
      • High Voltage Heat Sink Assemblies

        85
      • Autobias Current Source

        86
      • Autobias Sense Circuit

        86
    • High Voltage Sense Assembly (A6)

      88
• 5. Calibration and Verification

  97
  • Introduction

    99
  • Where to Find Further Information

    99
• 6. Maintenance

  101
  • Introduction

    103
  • Replacing the Fuse

    103
  • Cleaning the Air Filter

    104
  • General Cleaning

    105
  • Cleaning PCA's

    105
  • Access Procedures

    106
    • Initial Access Procedure 6-7.

      107
    • Accessing the Power Supply Assembly (A4) 6-8.

      109
    • Accessing the Digital Assembly (A5) 6-9.

      109
    • Accessing the Current Amplifier Assembly (A2) 6-10.

      111
    • Accessing the High Voltage Amplifier (A3) 6-11.

      112
    • Accessing the High Voltage Sense Assembly (A6) 6-12.

      113
    • Accessing the High Voltage Output Transistors 6-13.

      114
    • Accessing the Interconnect Assembly (A1) 6-14.

      114
  • Enabling Front or Rear Binding Posts

    115
• 7. Troubleshooting

  117
  • Introduction

    119
  • 5725A Fault Codes

    119
  • Self Diagnostics

    119
  • Manual Tests for Fault Isolation

    122
    • Problems 1 or 2: Fault at Power-Up or When Entering Voltage Standby

      123
    • Problem 3: Fault When Entering Voltage Operate

      124
    • Problem 4: Fault When Entering Current Standby

      124
    • Problem 5: Fault When Entering Current Operate

      124
  • Reduced-Voltage Troubleshooting Mode

    124
  • Testing the Power Supply By Itself

    125
• 8. List of Replaceable Parts

  127
  • Introduction

    129
  • How to Obtain Parts

    129
  • Manual Status Information

    129
  • Newer Instruments

    129
  • Service Centers

    130
• 9. Schematic Diagrams

  167
• Index

  191