User's Guide

Paging Modulator Instruction Manual

IM55-CIPM3

iii

Contents

General Information ...............................................................1

Introduction ................................................................................................1

Performance Speciﬁ cations .......................................................................2

Theory of Operation ...............................................................5

Paging Signal Path ....................................................................................5

OCXO/PLL .................................................................................................8

Alignment ..............................................................................11

Repair Notes ............................................................................................ 11

General .................................................................................................... 12

Setup........................................................................................................ 13

Frequency Adjustment (Digital Paging).................................................... 13

Reference Adjustment (Analog Paging)................................................... 14

Test Data Symmetry Adjustment.............................................................. 14

PLL Setup ................................................................................................ 16

Simulcast Delay Setup............................................................................. 18

Connector Pin Functions and Jumper Settings.................... 23

Data / Control Port (Connector J1) Pin Functions.................................... 23

Motherboard Interface (Connector P1) Pin Functions ............................. 24

CI-PM-3 Data Delay Jumper Settings...................................................... 26

CI-PM-3 Circuit Board Jumpers ............................................................... 27

TS-64 MOD1 Jumper Settings ................................................................ 28

4-Level Modulation Bit Pattern................................................................. 28

Receiver IF / Audio PCB Jumper Settings ............................................... 29

Transmitter Audio Processor V2.3 Jumper Settings ................................ 29

Transmitter Synthesizer Jumper Settings ................................................ 29

CI-PM-3 Test Points ................................................................................. 30

Illustrations and Schematics ................................................ 31

CI-PM-3 Front Panel Controls................................................................. 32

Simulcast Paging ..................................................................................... 33

CI-PM-3 Component Layout - Top ........................................................... 34

CI-PM-3 Component Layout - Bottom...................................................... 35

CI-PM-3 Schematic Diagram - Page 1..................................................... 36

CI-PM-3 Schematic Diagram - Page 2..................................................... 37

Parts Lists ............................................................................ 39

Electrical Parts List .................................................................................. 39

Mechanical Parts List............................................................................... 44

RevisionHistory .................................................................... 45