Fluke 79 Manuals

Fluke 79 Manuals

Manuals and User Guides for Fluke 79. We have 2 Fluke 79 manuals available for free PDF download: Service Manual, Instruction Sheet

Fluke 79 Service Manual

Fluke 79 Service Manual (66 pages)

II Series

Brand: Fluke | Category: Multimeter | Size: 4.01 MB

Table of Contents

Operator Safety Information
3
Table of Contents
4
List of Tables
6
List of Figures
8
Specification: Contents
10
Specifications
14
Theory of Operation: Contents
18
Functional Block Description
20
Block Diagram
20
Circuit Descriptions
21
Input Overload Protection, Rotary Knob Switch
21
Input Signal Conditioning Circuit
21
Volts Functions
21
Ohms Functions
22
4V Range Simplified Schematic
22
Current Functions
23
400 Range Simplified Schematic
23
Analog Section of Integrated Multimeter IC (U4)
24
Continuity, Low Ohms and Diode Test Functions
24
A/D Converter
25
Microcomputer Control
26
Peripherals to U4
26
AC Buffer
26
Capacitance Measurements, Frequency Measurements
26
AC Converter
27
Active Filter
27
100-Nf Range Simplified Schematic
27
Display
28
A/D Converter, Beeper, Power Supply
28
Typical Voltage Levels and Tolerance
28
Static Awareness
30
Maintenance: Contents
32
Recommended Equipment
34
Case Disassembly
35
Battery Replacement
35
Fuse Test/Replacement
35
Assembly Details
36
Circuit Assembly Removal
37
Display Access
37
Cleaning
37
Performance Tests
38
Setup
38
Display Test
38
DC Voltage Test
39
MV DC Test
39
AC Voltage Test
40
Frequency Test
40
Ohms Test
41
Resistance Test
41
Capacitance Test
42
Continuity Test
42
Diode Test
42
DC and AC Current Test
42
Calibration
43
DC Amps Test, DC and AC Ma Test
43
Troubleshooting
44
Surface Mount Assemblies
44
Calibration Adjustment Points
44
Power Supply Related Troubleshooting
45
Functional Description of Power Supply Components
45
Common (Shunt) Regulator Troubleshooting
46
Voltage Levels
46
VDD (Series) Regulator Troubleshooting
47
List of Replaceable Parts: Contents
48
Final Assembly: Parts List
52
Final Assembly Exploded View
53
A1 Main PCA Parts List
55
A1 Main PCA Exploded View
57
Schematic Diagrams: Contents
60
A1 Main PCA Schematic Diagram
62

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Fluke 79 Instruction Sheet

Fluke 79 Instruction Sheet (12 pages)

series III

Brand: Fluke | Category: Multimeter | Size: 0.35 MB

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