Fluke 8842a instruction manual List of Replaceable Parts

Models: 8842a

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Contents (continued)

 

6-20.

TOLERANCE CHECK

6-18

 

6-21.

AC CALIBRATION AT OTHER FREQUENCIES

6-19

 

6-22.

OPTIMIZING USE OF THE 5450A

6-19

 

6-23.

Remote Calibration

6-20

 

6-24.

TIMING CONSIDERATIONS

6-23

 

6-25.

REMOTE ERASURE

6-24

 

6-26.

EXAMPLE CALIBRATION PROGRAM

6-24

 

6-27.

DISASSEMBLY PROCEDURE

6-25

 

6-28.

Case Removal

6-26

 

6-29.

True RMS AC PCA Removal (Option -09 Only)

6-30

 

6-30.

IEEE-488 Interface PCA Removal (Option -05 Only)

6-30

 

6-31.

Main PCA Removal

6-30

 

6-32.

Front Panel Disassembly

6-32

 

6-33.

REASSEMBLY PROCEDURE

6-32

 

6-34.

INTERNAL FUSE REPLACEMENT

6-36

 

6-35.

EXTERNAL TRIGGER POLARITY SELECTION (Option -05 Only)6-36

 

6-36.

TROUBLESHOOTING

6-36

 

6-37.

Initial Troubleshooting Procedure

6-36

 

6-38.

Diagnostic Self-Tests

6-41

 

6-39.

Self-Test Descriptions

6-42

 

6-40.

Digital Controller Troubleshooting

6-45

 

6-41.

IN-GUARD MICROCOMPUTER SYSTEM

6-45

 

6-48.

DISPLAY SYSTEM

6-49

 

6-59.

ANALOG CONTROL SIGNALS

6-51

 

6-62.

DC Scaling Troubleshooting

6-54

 

6-63.

Track/Hold Troubleshooting

6-56

 

6-64.

Ohms Current Source Troubleshooting

6-56

 

6-65.

Precision Voltage Reference Troubleshooting

6-58

 

6-66.

A/D Converter Troubleshooting

6-59

 

6-67.

Power Supply Troubleshooting

6-61

 

6-68.

IEEE-488 Interface Troubleshooting (Option -05)

6-64

 

6-69.

SERVICE POSITION

6-64

 

6-70.

DIAGNOSTIC PROGRAM

6-64

 

6-71.

True RMS AC Troubleshooting (Option -09)

6-66

 

6-72.

SERVICE POSITION

6-66

 

6-73.

MAJOR PROBLEMS

6-67

 

6-74.

MORE OBSCURE PROBLEMS

6-69

 

6-75.

Guard Crossing Troubleshooting

6-70

 

6-76.

INTERNAL CLEANING

6-70

 

6-77.

Cleaning Printed Circuit Assemblies

6-70

 

6-78.

Cleaning After Soldering

6-71

7

List of Replaceable Parts

7-1

 

7-1.

INTRODUCTION

7-3

 

7-2. HOW TO OBTAIN PARTS

7-3

 

7-3. MANUAL STATUS INFORMATION

7-3

 

7-4.

NEWER INSTRUMENTS

7-4

 

7-5.

SERVICE CENTERS

7-4

8

Options and Accessories

8-1

 

8-1.

INTRODUCTION

8-3

 

8-2.

ACCESSORIES

8-4

 

8-3.

Rack-Mount Kits (Y8834, Y8835 and Y8836)

8-4

 

8-4.

Shielded IEEE-488 Interface Cables (Y8021, Y8022, and Y8023).

8-4

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Fluke 8842a instruction manual List of Replaceable Parts