TABLE OF CONTENTS

TABLE OF CONTENTS (CONT’D)

 

470-512 MHz RF

6-22

 

LIST OF TABLES

 

RF Board Schematic. . . . . . . . . . . . . . . . . . .

 

 

 

PA Board Schematic (25W). . . . . . . . . . . . .

6-23

1-1

Part Number Breakdown . . . . . . . . . . . . . .

. 1-2

VCO Board Layout . . . . . . . . . . . . . . . . . . .

6-24

PA Board Layout (25W) . . . . . . . . . . . . . . .

6-24

1-2

Identification Number Breakdown . . . . . . . . . .

. 1-3

PA Board Schematic (40W). . . . . . . . . . . . .

6-25

1-3

98xx Accessories . . . . . . . . . . . . . . . . . . . . . . .

. 1-3

PA Board Layout (40W) . . . . . . . . . . . . . . .

6-26

2-1

Data Cable Wire Chart . . . . . . . . . . . . . . . . . . .

. 2-8

 

 

4-1

Ceramic SMD Capacitor Identification . . . . . .

. 4-2

800/900 MHz RF

 

4-2

SMD Inductor Identification . . . . . . . . . . . . . .

. 4-3

RF Board Schematic (800/900 MHz). . . . . .

6-27

 

 

 

PA Board Schematic (15W). . . . . . . . . . . . .

6-27

 

LIST OF FIGURES

 

RF Board Layout (800 MHz) . . . . . . . . . . . .

6-28

 

 

 

RF Board Layout (900 MHz) . . . . . . . . . . . .

6-29

 

 

 

VCO Board Layout . . . . . . . . . . . . . . . . . . .

6-30

2-1

Front Mount Installation Components . . . . . . .

2-1

PA Board Layout (15W) . . . . . . . . . . . . . . .

6-30

2-2

Remote Mount Installation Components. . . . . .

2-3

PA Board Schematic (30W). . . . . . . . . . . . .

6-31

2-3

Accessory Cable Installation . . . . . . . . . . . . . . .

2-4

PA Board Layout (30W) . . . . . . . . . . . . . . .

6-32

2-4

Accessory Cable Connector . . . . . . . . . . . . . . .

2-5

800/900 MHz Audio/Logic Board

 

2-5

R170 Location Diagram . . . . . . . . . . . . . . . . . .

2-5

 

2-6

Data Cable Installation (-001 Cable Shown). . .

2-7

Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-33

3-1

Power Distribution and Switching . . . . . . . . . .

3-3

Board Layout . . . . . . . . . . . . . . . . . . . . . . . .

6-34

3-2

Power On-Off Control Circuit. . . . . . . . . . . . . .

3-3

 

 

3-3 Audio/Data Processing Circuitry Block Diagram 3-8

 

 

3-4

RF Block Diagram (UHF Models) . . . . . . . . .

3-13

 

 

3-5

Synthesizer Chip U804 Block Diagram . . . . .

3-16

 

 

3-6

Limiter/Detector U201 Block Diagram. . . . . .

3-18

 

 

3-7

RF Block Diagram (800/900 MHz Models) . .

3-23

 

 

4-1

Simplified Synthesizer Block Diagram. . . . . . .

4-3

 

February 2001

iv

Part No. 001-9800-001