manuais EFJohnson SMARTZONE 7780

Efjohnson SMARTZONE 7780 Manual do Utilizador (116 páginas)

Marca: Efjohnson | Categoria: Estações de Rádio | Tamanho: 4.95 MB |

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Índice

PRELIMINARY SERVICE

1

7780-SERIES

3

FM TWO-WAY

3

PORTABLE RADIO

3

TABLE OF CONTENTS

4

TABLE OF CONTENTS (CONT’D)

5

LIST OF TABLES

6

LIST OF FIGURES

6

SECTION 1 GENERAL INFORMATION

7

• Conventional (non trunked)

7

[[

8

Contact Cust Serv

9

GENERAL INFORMATION

10

November 1999

10

Part No. 001-7780-500

10

7780 SPECIFICATIONS

14

Battery Release

16

• F1, F2, F3

18

• AUX, FCN (on side)

18

TRANSCEIVER OPERATION

20

• POWERLO-Lowtransmitpower

36

TRANSCEIVER PROGRAMMING

38

800 MHz Channels

58

CIRCUIT DESCRIPTION

65

∆T/∆t (change

75

∆V (negative

75

• :LQGRZV

78

• PHJDE\WHVRI5$0

78

• $QDYDLODEOHVHULDOSRUW

78

PERFORMANCE TESTS

82

SECTION 7 PARTS LIST

85

CHASSIS PARTS

85

JACK ASSEMBLY

85

DISPLAY ASSEMBLY

85

3-KEY ASSEMBLY

86

10-KEY ASSEMBLY

86

IF ASSEMBLY

87

PLL ASSEMBLY

88

Ref No. Description Part No

89

PARTS LIST

97

10-KEY FRONT PANEL

98

3-KEY FRONT PANEL

98

(Sticker)

100

PLL BOARD TOP VIEW

101

PLL BOARD BOTTOM VIEW

101

IF BOARD TOP VIEW

102

IF BOARD BOTTOM VIEW

102

LOGIC UNIT

103

RF BOARD SCHEMATIC

105

TO DISPLAY UNIT

106

TO RF UNIT

106

LOGIC BOARD SCHEMATIC

107

DISPLAY BOARD SCHEMATIC

109

10-KEY BOARD FRONT VIEW

110

10-KEY BOARD BACK VIEW

110

10-KEY BOARD SCHEMATIC

111

3-KEY BOARD FRONT VIEW

112

3-KEY BOARD BACK VIEW

112

3-KEY BOARD SCHEMATIC

113

11-99hph Printed in U.S.A

116

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