manuais Crown FME 100W

Crown FME 100W Especificações (109 páginas)

Marca: Crown | Categoria: Processadores | Tamanho: 2.45 MB |

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Índice

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

1.2.6 Satellator

12

Getting Acquainted

13

1.4 Receiver Specifications

15

1.5 Safety Considerations

16

Section 2—Installation

17

2.1 Operating Environment

18

2.2 Remove PA Tray Spacers

18

2.3 Power Connections

19

MEGAHERTZ

21

= 88.1 MHz

22

= 107.9 MHz

22

Installation

23

2.6 RF Connections

25

2.7 Audio Input Connections

26

SCA Inputs

27

(BNC) Connectors

27

Audio Monitor

28

(RCA) Jacks

28

Composite Input

28

(BNC) Connector

28

Remote I/O

29

Section 3—Operation

31

Power Switch

32

Carrier Switch

32

Operation

33

3.2 Power Switches

34

3.3.1 Audio Processor Input

35

3.3.3 Modulation Display

35

3.4 Input Gain Switches

36

3.5 Processing Control

36

3.6 Stereo-Mono Switch

36

3.7 RF Output Control

37

3.8 Digital Multimeter

37

3.9 Fault Indicators

38

Principles of Operation

39

4.1 Part Numbering

40

4.4 RF Exciter Circuit Board

44

4.5 Metering Circuit Board

46

4.6 Motherboard

47

4.7 Display Circuit Board

48

4.10 RF Driver

50

4.11 RF Amplifier

51

4.12 Chassis

51

FM BROADCAST TRANSMITTER

53

Adjustments and Tests

55

5.1.1 Pre-Emphasis Selection

56

5.2.1 Separation

57

5.2.2 Composite Output

57

5.2.3 19 kHz Level

57

5.2.4 19 kHz Phase

57

5.3.2 Modulation Compensator

58

5.3.4 FSK Balance Control

58

5.4.1 Power Calibrate

59

5.4.2 Power Set

59

5.4.3 SWR Calibrate

59

5.4.4 PA Current Limit

59

5.5 Motherboard Adjustments

60

5.9 Performance Verification

61

5.10 Carrier Frequency

62

5.11 Output Power

62

5.13 Pilot Frequency

62

5.21 Additional Checks

64

Section 6—Reference Drawings

65

6.1 Views

66

Reference Drawings

67

SCM, FM AUDIO PROCESSOR

69

CROWN INTERNATIONAL, INC

71

SEE NOTE 10

72

UNLESS OTHERWISE SPECIFIED:

73

D 8169-1

74

PAI LIMIT

75

POWER SET

75

POWER CAL

75

D 8167-5

79

200915-SCH

84

FM500 P.A

86

P10421-9

87

Q43310-4

90

FM500 CHASSIS WIRING

91

Receiver

93

Section 7—Service and Support

94

7.1 Service

95

7.2 24–Hour Support

95

7.3 Spare Parts

95

Three-Year Limited Warranty

96

Factory Service Instructions

98

Appendix

99

Transmitter Output Efficiency

99

Appendix–2

100

FM500 User's Manual

100

Glossary

101

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