EFJohnson 001-9800-001 User Manual

TABLE OF CONTENTS (CONT’D)

iv

February 2001

Part No. 001-9800-001

TABLE OF CONTENTS

470-512 MHz RF

RF Board Schematic. . . . . . . . . . . . . . . . . . .   6-22
PA Board Schematic (25W). . . . . . . . . . . . .   6-23
VCO Board Layout  . . . . . . . . . . . . . . . . . . .   6-24
PA Board Layout (25W)  . . . . . . . . . . . . . . .   6-24
PA Board Schematic (40W). . . . . . . . . . . . .   6-25
PA Board Layout (40W)  . . . . . . . . . . . . . . .   6-26

800/900 MHz RF

RF Board Schematic (800/900 MHz). . . . . .   6-27
PA Board Schematic (15W). . . . . . . . . . . . .   6-27
RF Board Layout (800 MHz) . . . . . . . . . . . .   6-28
RF Board Layout (900 MHz) . . . . . . . . . . . .   6-29
VCO Board Layout  . . . . . . . . . . . . . . . . . . .   6-30
PA Board Layout (15W)  . . . . . . . . . . . . . . .   6-30
PA Board Schematic (30W). . . . . . . . . . . . .   6-31
PA Board Layout (30W)  . . . . . . . . . . . . . . .   6-32

800/900 MHz Audio/Logic Board

Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-33
Board Layout . . . . . . . . . . . . . . . . . . . . . . . . 6-34

LIST OF TABLES

Part Number Breakdown . . . . . . . . . . . . . . . . . . 1-2

Identification Number Breakdown . . . . . . . . . . . 1-3

98xx Accessories . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Data Cable Wire Chart . . . . . . . . . . . . . . . . . . . . 2-8

Ceramic SMD Capacitor Identification . . . . . . . 4-2

SMD Inductor Identification . . . . . . . . . . . . . . . 4-3

LIST OF FIGURES

Front Mount Installation Components . . . . . . . 2-1

Remote Mount Installation Components. . . . . . 2-3

Accessory Cable Installation . . . . . . . . . . . . . . . 2-4

Accessory Cable Connector . . . . . . . . . . . . . . . 2-5

R170 Location Diagram . . . . . . . . . . . . . . . . . . 2-5

Data Cable Installation (-001 Cable Shown). . . 2-7

Power Distribution and Switching . . . . . . . . . . 3-3

Power On-Off Control Circuit. . . . . . . . . . . . . . 3-3

Audio/Data Processing Circuitry Block Diagram 3-8

RF Block Diagram (UHF Models) . . . . . . . . . 3-13

Synthesizer Chip U804 Block Diagram . . . . . 3-16

Limiter/Detector U201 Block Diagram. . . . . . 3-18

RF Block Diagram (800/900 MHz Models) . . 3-23

Simplified Synthesizer Block Diagram . . . . . . . 4-3