Realistic PRO-2021 Programmable Scanner Service Manual

Introduction

This document provides detailed service information for the Realistic PRO-2021 Programmable Scanner AM/FM Monitor Receiver. It covers essential aspects such as technical specifications, operational principles, and comprehensive alignment procedures required for maintaining optimal performance.

Key Features and Specifications

The PRO-2021 is a PLL synthesized VHF/UHF AM/FM receiver controlled by a CPU. It offers a wide frequency coverage and various operational modes, including scanning and priority sampling. Key specifications include:

  • Frequency Coverage: VHF Low (30-54 MHz), Aircraft (108-136 MHz), VHF High (138-174 MHz), UHF (380-512 MHz)
  • Channels: Up to 200 programmable channels
  • Display: Liquid crystal display
  • Power Source: AC 120V, 60Hz or DC 13.8V

Service and Maintenance

This manual includes detailed sections on alignment for various bands (VHF LO, Aircraft, VHF HI, UHF), including specific test points and required equipment. Troubleshooting guidance and exploded views are also provided to assist technicians in diagnosing and repairing the unit.

For detailed technical specifications and component lists, please refer to the respective sections within this manual.

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PRO-2021 (Service Manual) Acrobat Distiller 6.0 (Windows)

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