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Realistic TRC-490-18 - User Manual

Realistic TRC-490-18
26 pages
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TRC-490-18
OWNER'
MANU
EMTtEmawaT
D
PLEASE READ BEFORE
USING THIS EQUIPMENT
EAT. NO.
1-9490
CUSTOM MANUFACTURED FOR TANDY CORPORATION
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Summary

SPECIFICATIONS

GENERAL SPECIFICATIONS

Lists general technical parameters like channels, frequency range, power requirements, and more.

RECEIVER SPECIFICATIONS

Details receiver sensitivity, selectivity, audio output, battery drain, etc.

TRANSMITTER SPECIFICATIONS

Details transmitter output power, modulation response, microphone sensitivity, battery drain, etc.

PUBLIC ADDRESS AMPLIFIER SPECIFICATIONS

Details the maximum output power for the PA function.

INSTALLATION GUIDE

BASE INSTALLATION

Instructions for setting up the transceiver for fixed or base station use.

MOBILE INSTALLATION

Instructions for installing the transceiver in a vehicle for mobile use.

ANTENNA SYSTEM GUIDE

FIXED STATION ANTENNAS

Discusses types of antennas suitable for fixed station operation.

MOBILE STATION ANTENNAS

Discusses types of antennas suitable for mobile operation and mounting.

NOISE REDUCTION

IGNITION SYSTEM NOISE

Explains common noise sources, particularly from the ignition system.

CONTROLS AND FUNCTIONS

FRONT PANEL CONTROLS

Explains the operation of individual controls on the front panel.

REAR PANEL CONNECTIONS

Details the various jacks, connectors, and switches on the rear panel.

USING YOUR TRANSCEIVER

RECEIVING AM SIGNALS

Step-by-step guide to receiving AM signals on the transceiver.

RECEIVING SSB OR DSB SIGNALS

Step-by-step guide to receiving SSB or DSB signals.

RECEIVING NOTES AND TIPS

Provides additional tips and notes for receiving different signal types.

TRANSMITTER OPERATION

PUBLIC ADDRESS AMPLIFIER USAGE

SSB SINGLE SIDEBAND EXPLANATION

ADVANTAGES OF SSB OVER AM

Details the benefits of SSB technology compared to AM.

MAINTENANCE

SCHEMATIC DIAGRAM (PAGE 17)

TANDY LIMITED WARRANTY

ALIGNMENT INSTRUCTIONS

PLL AND CARRIER OSCILLATOR ALIGNMENT

Details the alignment procedure for the PLL and carrier oscillator.

TRANSMITTER SECTION ALIGNMENT

Details the alignment procedure for the transmitter section.

RECEIVER SECTION ALIGNMENT

Details the alignment procedure for the receiver section.

TROUBLESHOOTING HINTS

PLL TROUBLESHOOTING HINTS

Provides troubleshooting tips specifically for the PLL section.

VOLTAGE CHART

ADDITIONAL PARTS ON THE BOTTOM

WIRING DIAGRAM

ELECTRICAL PARTS LIST

MECHANICAL PARTS LIST

SCHEMATIC DIAGRAM FOR TRC-490

Realistic TRC-490-18 Specifications

General IconGeneral
BrandRealistic
ModelTRC-490-18
CategoryTransceiver
LanguageEnglish

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