Crown FM-3 manuales

Crown FM-3 Manual de usuario (111 paginas)

Marca: Crown | Categoria: Amplificadores de audio de coche | Tamaño: 3.03 MB |

Inglés

Tabla de contenidos

User's Manual

1

Revision Control

2

Important Notices

2

ContentsContents

3

Contents

3

Section 1—Getting Acquainted

7

1.1 Your Transmitter

8

1.2 Applications and Options

9

1.2.1 Stand-Alone

10

1.2.2 Backup

10

1.2.3 Booster

10

1.2.4 Exciter

10

1.2.5 Translator

11

FSK chip

12

Getting Acquainted

13

1.4 Receiver Specifications

16

1.5 Safety Considerations

16

Section 2—Installation

17

2.2.1 AC Line Voltage Setting

18

Installation

19

2.2.2 Fuses

20

2.2.3 Battery Power

21

= 88.1 MHz

22

= 107.9 MHz

22

2.3.1 Modulation Compensator

23

Receiver

24

Frequency Selection Switches

24

2.6 Audio Input Connections

27

2.7 SCA Input Connections

28

2.9 Audio Monitor Connections

29

2.10 Pre-emphasis Selection

29

2.12 Remote I/O Connector

30

Section 3—Operation

33

Operation

35

3.2 Power Switches

36

3.3.1 Audio Processor Input

37

3.3.3 Modulation Display

37

3.4 Input Gain Switches

38

3.5 Processing Control

38

3.6 Stereo-Mono Switch

38

3.7 RF Output Control

39

3.8 Digital Multimeter

39

3.9 Fault Indicators

40

Principles of Operation

41

4.1 Part Numbering

42

Processor

43

4.4 RF Exciter Circuit Board

46

4.5 Metering Circuit Board

48

4.6 Motherboard

49

4.7 Display Circuit Board

50

4.11 RF Driver (FM100/FM250)

53

4.13 Chassis

54

Adjustments and Tests

57

5.1.1 Pre-Emphasis Selection

58

5.2.1 Separation

58

5.2.2 Composite Output

58

Using a Modulation Monitor

59

5.2.3 19–kHz Level

60

5.2.4 19–kHz Phase

60

5.3.2 Modulation Compensator

60

5.3.4 FSK Balance Control

61

5.4.1 Power Calibrate

61

5.4.2 Power Set

61

5.4.3 SWR Calibrate

61

5.5 Motherboard Adjustments

62

5.9 Performance Verification

63

5.10 Carrier Frequency

64

5.11 Output Power

64

5.13 Pilot Frequency

64

5.21 Additional Checks

66

Section 6—Reference Drawings

67

6.1 Views

68

SCM, FM AUDIO PROCESSOR

71

SCM, FM STEREO GENERATOR

73

SEE NOTE 10

74

200440-SCH

75

D 8169-1

76

PAI LIMIT

77

POWER SET

77

POWER CAL

77

Reference Drawings

79

D 8167-5

81

SCM, FM DISPLAY

82

Q43229-6

84

200915-SCH

86

RF OUTPUT AMPLIFIER

88

RF Output Amplifier

88

RF Output & Reflectometer

90

Q43310-4

92

Section 7—Service and Support

96

7.1 Service

97

7.2 24–Hour Support

97

7.3 Spare Parts

97

Item Quantity

99

Factory Service Instructions

100

Appendix

101

Transmitter Output Efficiency

101

Transmitter efficiency output

102

Glossary

103

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