HEATHKIT Manuals & User Guides

HEATHKIT HD-15 Hybrid Phone Patch Installation Guide

March 6, 2026

HEATHKIT HD-15 Hybrid Phone Patch CIRCUIT DIAGRAM INTRODUCTION The Heathkit Model HD-15 Hybrid Phone Patch is used to transfer audio signals between telephone lines and two-way radio equipment. The Phone…

HEATHKIT HD-1515 Phone Patch Instruction Manual

March 6, 2026

HEATHKIT HD-1515 Phone Patch

Heathkit HR-1680 S-S Receiver User Manual

March 1, 2026

Heathkit HR-1680 S-S Receiver Specifications Model: HR-1680 S/S Receiver Release Date: November 11, 1976 Bulletin No: HR-1680-1 Product Usage Instructions No VFO Output Ensure the color dot on the L30…

Heathkit HX-1681 CW Transmitter User Manual

March 1, 2026

September 27, 1979 HX-1681                                  Bulletin No: CW Transmitter             …

HEATHKIT IM-17 Utility Solid State Voltmeter Instruction Manual

February 25, 2026

HEATHKIT  IM-17 Utility Solid State Voltmeter Description The IM‑17 is a utility voltmeter with multiple ranges for both DC and AC voltage, plus resistance measurement capability. It uses solid‑state circuitry…

Heathkit IM-17U Utility Solid State Voltmeter Instruction Manual

February 25, 2026

IM-17U Utility Solid State Voltmeter

Heathkit LG-1 Laboratory Type Signal Generator Instruction Manual

February 23, 2026

Heathkit LG-1 Laboratory Type Signal Generator Specifications Product Name: Laboratory Type Signal Generator Model: LG-1 Manufacturer: Heath Company Year: 1954 Price: $1.00 Product Usage Instructions Standard Color Code for Resistors…

HEATHKIT QF-1 Q Multiplier Installation Guide

February 22, 2026

HEATHKIT QF-1 Q Multiplier STANDARD COLOR CODE - RESISTORS AND CAPACITORS The standard color code provides all the necessary information required to properly identify color-coded resistors and capacitors. Refer to…

HEATHKIT HD-1515 Phone Patch Amateur Ham Radio Installation Guide

December 15, 2025

ILLUSTRATION BOOKLET PARTS PICTORIAL Copyright © 1985 Heath Company All Rights Reserved Printed in the United States of America Model HD-1515 The pins on the IC's may be bent out…

HEATHKIT SG-8 Signal Generator Instruction Manual

November 17, 2025

Assembling and Using Your... SIGNAL GENERATOR MODEL SG-8595-73 HEATH COMPANY A Subsidiary of Daystrom Inc BENTON HARBOR, MICHIGAN STANDARD COLOR CODE - RESISTORS AND CAPACITORS The standard color code provides…

Heathkit IO-21 General Purpose Oscilloscope Schematic and Technical Details

Technical Specification

Detailed technical specifications and circuit schematic for the Heathkit IO-21 General Purpose Oscilloscope, including component information and voltage readings.

Heathkit HX-1681 CW Transmitter Assembly Manual

Assembly Manual

This 1979 assembly manual guides users through building the Heathkit HX-1681 CW Transmitter, a 100-watt amateur radio device for HF bands. It includes detailed parts lists, step-by-step assembly instructions, and…

Heathkit HR-1680 S/S Receiver Service Bulletins - Technical Information and Troubleshooting

Service Bulletin

Comprehensive collection of service bulletins for the Heathkit HR-1680 S/S Receiver, detailing troubleshooting, maintenance, and modifications from 1976 to 1982.

Heathkit HX-1681 CW Transmitter Service Bulletins (1979-1984)

Service Bulletins

A collection of service bulletins for the Heathkit HX-1681 CW Transmitter, detailing modifications, corrections, and troubleshooting from 1979 to 1984.

Heathkit DX-60 Transmitter: Assembly and Operation Manual

Assembly instructions

Comprehensive assembly and user manual for the Heathkit DX-60 Phone and CW Transmitter, detailing specifications, circuit diagrams, parts lists, and step-by-step construction for amateur radio operators.

Heathkit DX-60 Transmitter: Assembly and Operation Manual

Assembly Instructions

Comprehensive assembly and operation manual for the Heathkit DX-60 Phone and CW Transmitter. This guide provides detailed instructions, specifications, and troubleshooting for amateur radio enthusiasts.

Heathkit Q Multiplier Model QF-1: Assembly and Operation Manual

manual

Comprehensive guide for assembling and operating the Heathkit Q Multiplier Model QF-1. Includes specifications, circuit description, step-by-step assembly instructions, wiring diagrams, connection to receivers, alignment procedures, operation modes, troubleshooting, and…

Heathkit IM-2410 Digital Frequency Counter Illustration Booklet

technical specification

Illustration booklet detailing parts, internal components, wiring, and setup for the Heathkit IM-2410 Digital Frequency Counter. Includes component identification and operational controls.

Heathkit IM-2410 Digital Frequency Counter: Assembly Manual & User Guide

Assembly Manual

Explore the Heathkit IM-2410 Digital Frequency Counter, an easy-to-use instrument for measuring frequencies from 10 Hz to 225 MHz. This assembly manual and user guide details its features, step-by-step building…

Heathkit IM-17 Utility Solid-State Voltmeter Assembly Manual and User Guide

Assembly Instructions

Comprehensive assembly manual and user guide for the Heathkit IM-17 Utility Solid-State Voltmeter. Includes step-by-step instructions, operation, calibration, troubleshooting, and specifications for building and using the electronic test instrument.

Heathkit IM-17U Transistor Voltmeter Schematic Diagram

Schematic Diagram

Detailed schematic diagram and component explanations for the Heathkit IM-17U Transistor Voltmeter, a piece of electronic test equipment for measuring voltage and resistance.

Heathkit IM-5218 Vacuum Tube Voltmeter Assembly and Operation Manual

Assembly and Operation Manual

This manual provides assembly instructions, circuit description, specifications, and operating guidance for the Heathkit IM-5218 Vacuum Tube Voltmeter. Learn how to build and use this versatile electronic test instrument.