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Fluke 77 Service Manual

Series ii

Also See for 77

User manual - 38 pages
Calibration information manual - 21 pages
Operator's manual - 38 pages

Table Of Contents

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3

Table of Contents

6

List of Illustrations

10

Specifications

See also: Operator's Manual, User Manual

Table of Contents

2
Operator Safety Information
3
Table of Contents
5
List of Tables
6
List of Illustrations
10
Specifications
13
Theory of Operation: Table of Contents
14
Functional Block Description
14
Voltage Signal Conditioning
15
Current Conditioning
15
Additional Circuitry
15
Ohms
16
Rotary Switch
16
A/D Conversion
17
Function Codes
18
AC and A/D Converter
19
Staric Awareness
21
Maintenance: Table of Contents
22
PCA Access and General Maintenance
23
Recommended Test Equipment
23
Display Access
23
Cleaning
24
Assembly Details
25
Performance Tests
25
Display Test
25
DC Voltage Test
26
AC Voltage Test
27
Resistance Test
27
Diode Test
28
DC Ma Test (75/21 and 77/23 Only)
28
DC Amps Test (73, 75/21 and 77/23 Only)
28
Calibration
28
Troubleshooting
29
Troubleshooting Tree
30
Supplemental Troubleshooting Procedures
31
List of Replaceable Parts: Table of Contents
32
How to Obtain Parts
33
Final Assembly (Models 77, 75, 23, 21): Replaceable Parts
36
A1 Main PCA (Models 77, 75, 23, 21): Replaceable Parts
38
Final Assembly (Model 73): Replaceable Parts
41
A1 Main PCA (Model 73): Replaceable Parts
43
Final Assembly (Model 70): Replaceable Parts
46
A1 Main PCA (Model 70): Replaceable Parts
49
Schematic Diagrams: Table of Contents
50
Abbreviations
52
A1 Main PCA Schematic Diagram
54
Signal Flow Diagram

Table of Contents

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Table of Contents

2
Operator Safety Information
3
Table of Contents
5
List of Tables
6
List of Illustrations
10
Specifications
13
Theory of Operation: Table of Contents
14
Functional Block Description
14
Voltage Signal Conditioning
15
Current Conditioning
15
Additional Circuitry
15
Ohms
16
Rotary Switch
16
A/D Conversion
17
Function Codes
18
AC and A/D Converter
19
Staric Awareness
21
Maintenance: Table of Contents
22
PCA Access and General Maintenance
23
Recommended Test Equipment
23
Display Access
23
Cleaning
24
Assembly Details
25
Performance Tests
25
Display Test
25
DC Voltage Test
26
AC Voltage Test
27
Resistance Test
27
Diode Test
28
DC Ma Test (75/21 and 77/23 Only)
28
DC Amps Test (73, 75/21 and 77/23 Only)
28
Calibration
28
Troubleshooting
29
Troubleshooting Tree
30
Supplemental Troubleshooting Procedures
31
List of Replaceable Parts: Table of Contents
32
How to Obtain Parts
33
Final Assembly (Models 77, 75, 23, 21): Replaceable Parts
36
A1 Main PCA (Models 77, 75, 23, 21): Replaceable Parts
38
Final Assembly (Model 73): Replaceable Parts
41
A1 Main PCA (Model 73): Replaceable Parts
43
Final Assembly (Model 70): Replaceable Parts
46
A1 Main PCA (Model 70): Replaceable Parts
49
Schematic Diagrams: Table of Contents
50
Abbreviations
52
A1 Main PCA Schematic Diagram
54
Signal Flow Diagram

Troubleshooting

Also See for Fluke 77

Fluke 75 Operator's Manual

Fluke 75 Operator's Manual 38 pages

Fluke 77 User Manual

Fluke 77 User Manual 38 pages

Fluke 77 Calibration Information Manual

Fluke 77 Calibration Information Manual 21 pages

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This manual is also suitable for:

21 75 70 73 23