Fluke 5725A manuels

Fluke 5725A Manuel d'utilisateur (196 pages)

marque: Fluke | Catégorie: Amplificateurs audio pour voitures | Taille: 35.67 MB |

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Table des matières

Instruction Manual

1

Table of Contents

3

Contents

5

List of Tables

7

List of Figures

9

Interference Information

11

OPERATOR SAFETY

13

SERVICING SAFETY

15

FIRST AID FOR

16

ELECTRIC SHOCK

16

Chapter 1

17

Introduction 1-1

19

Where to Go From Here 1-2

20

How to Use the Manuals 1-3

21

5725A Instruction Manual 1-4

21

5700A Operator Manual 1-5

21

5700A Service Manual 1-8

22

Specifications 1-9

22

Specifications

23

Installation

35

Introduction 2-1

37

Unpacking and Inspection 2-2

37

LC-1 LC-2 LC-3 LC-4

38

LC-5 LC-6 LC-7

38

Service Information 2-3

39

Cooling Considerations 2-5

39

Selecting Line Voltage 2-7

41

Accessing the Fuse 2-8

42

Connecting to Line Power 2-9

43

Operating Notes

45

Introduction 3-1

47

Front Panel Features 3-2

48

Rear Panel Features

49

Rear Panel Features 3-3

50

Warm Up 3-5

52

Standby 3-7

53

Voltage Standby 3-8

54

Current Standby 3-9

55

Voltage Operate 3-10

56

Current Operate 3-11

57

Theory of Operation

59

Introduction 4-1

61

Voltage Standby 4-8

65

Current Standby 4-9

65

Detailed Circuit Description

69

Switching Section 4-18

72

Current-Limit Section 4-19

73

System Supply Section 4-20

73

Fan Supply Section 4-21

74

Digital Assembly (A5) 4-22

74

Microcomputer 4-23

74

External RAM 4-24

74

External ROM 4-25

74

EEROM 4-26

76

Data Latch 4-27

76

Strobe Lines 4-28

76

Led Driver 4-29

76

Optoisolator Link 4-30

76

Break-Detect Circuitry 4-31

77

Watchdog Timer 4-33

77

Error Amplifier Section 4-35

79

Output Stage Section 4-36

80

Monitor Section 4-37

80

Power Supply Section 4-39

81

Input Amplifier 4-41

82

Integrator 4-42

84

Window Comparator 4-43

84

Input Clamp 4-44

84

Midstage 4-46

85

Midstage -400V Filter 4-47

85

Autobias Current Source 4-49

86

Autobias Sense Circuit 4-50

86

Signal Transformers 4-52

87

Temperature Monitoring 4-53

87

Sense Amplifier Section 4-55

90

Analog Monitor Section 4-56

92

Control Section 4-59

94

Calibration and Verification

97

Introduction 5-1

99

Maintenance

101

Introduction 6-1

103

Replacing the Fuse 6-2

103

Cleaning the Air Filter 6-3

104

General Cleaning 6-4

105

Cleaning PCA’s 6-5

105

Access Procedures 6-6

106

Initial Access Procedure 6-7

107

Access Procedures

109

Troubleshooting

117

Introduction 7-1

119

5725A Fault Codes 7-2

119

Self Diagnostics 7-3

119

Self Diagnostics

121

Warning

124

List of Replaceable Parts

127

Introduction 8-1

129

How to Obtain Parts 8-2

129

Newer Instruments 8-4

129

Service Centers 8-5

130

Schematic Diagrams

167

(continued)

193

Manual Supplement

195

Change #1

196

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