EasyManua.ls Logo

DRAKE R8 User Manual

DRAKE R8
94 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the DRAKE R8 and is the answer not in the manual?

DRAKE R8 Specifications

General IconGeneral
BrandDRAKE
ModelR8
CategoryTelephone
LanguageEnglish

Summary

Addendum Component Updates

Front End Board Component Changes

Lists additions, deletions, and changes for the Front End Board.

2nd IF/Audio Board Component Changes

Lists additions, deletions, and changes for the 2nd IF/Audio Board.

Synthesizer Board Component Changes

Lists additions, deletions, and changes for the Synthesizer Board.

Service Technician Guidance

Safety Instructions and Precautions

Essential safety measures and warnings before servicing the unit.

Product Safety Notice

Specific warnings regarding safety-related components and replacements.

Manual Navigation and Diagrams

List of Schematics and Pictorials

Lists all available schematics and pictorial diagrams for reference.

Introduction to the Service Manual

Explains manual structure, usage, and locating malfunctions.

Receiver Block and Interconnect Diagrams

High-level receiver block diagram and interconnect diagram.

Circuit Descriptions

Front End Board Theory of Operation

Detailed theory of operation for the Front End Board circuitry.

2nd IF/Audio Board Theory of Operation

Detailed theory of operation for the 2nd IF/Audio Board circuitry.

Synthesizer/Microprocessor Theory of Operation

Detailed theory of operation for synthesizer and microprocessor functions.

Component Parts Lists

Interconnect and Chassis Parts List

Lists parts for interconnect drawing and miscellaneous chassis components.

Front End Board Parts List

Detailed list of components for the Front End Board.

Second IF Board Parts List

Detailed list of components for the 2nd IF Board.

Synthesizer/Microprocessor Parts List

Detailed list of components for the Synthesizer/Microprocessor Board.

Front Panel Board Parts List

Detailed list of components for the Front Panel Board.

Alignment and Testing Procedures

Front End Board Alignment

Procedures for aligning bandpass filters, IF section, and FM detector.

2nd IF/Audio Board Tune Up

Procedures for 50 KHz filter tuning, AGC, and squelch setup.

Synthesizer and PBT Alignment

Procedures for setting power supply, reference oscillator, and PBT adjustments.

Other Circuit Adjustments

Tests and adjustments for noise blanker, notch, and synchronous detector.

VHF Converter Accessory Operations

VHF Converter Theory of Operation

Explains the RF section, control, and synthesizer of the VHF converter.

VHF Converter Alignment and Testing

Procedures for VCO tuning, preselector alignment, and sensitivity tests.

VHF Converter Installation Instructions

Step-by-step instructions for installing the VHF converter assembly.

VHF Converter Specifications

Technical specifications for the VHF converter accessory.

Related product manuals