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 Patch combines maximum performance with ease of operation and installation.…

Brand: HEATHKIT

HEATHKIT HD-1515 Phone Patch Instruction Manual

March 6, 2026

HEATHKIT HD-1515 Phone Patch INTRODUCTION The Heathkit Model HD-1515 Phone Patch enables you to transfer audio signals between a telephone line and two-way radio equipment. The heart of this solid-state Phone Patch is formed by an integrated active speech and…

Brand: HEATHKIT

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 [PN 40-1859] coil is on the coil center tap lug.…

Brand: HEATHKIT

Heathkit HX-1681 CW Transmitter User Manual

March 1, 2026

September 27, 1979 HX-1681                                  Bulletin No: CW Transmitter                    HX-1681-1   20, 15 and 10 Meter…

Brand: HEATHKIT

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 including a high‑impedance front end for accurate readings. The unit…

Brand: HEATHKIT

Heathkit IM-17U Utility Solid State Voltmeter Instruction Manual

February 25, 2026

IM-17U Utility Solid State Voltmeter

Brand: HEATHKIT

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 and Capacitors The standard color code provides information to identify…

Brand: HEATHKIT

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 the color code for numerical values and the zeroes or…

Brand: HEATHKIT

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 at an angle, so they do not line up with…

Brand: HEATHKIT

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 all the necessary information required to properly identify color-coded resistors…

Brand: HEATHKIT

Heathkit IO-21 General Purpose Oscilloscope Schematic and Technical Details

Technical Specification • February 20, 2026

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

Brand: Heathkit

Heathkit HX-1681 CW Transmitter Assembly Manual

Assembly Manual • February 19, 2026

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 operational specifications, making it essential for hobbyists and collectors of surplus radio…

Brand: Heathkit

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

Service Bulletin • February 19, 2026

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

Brand: Heathkit

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

Service Bulletins • February 19, 2026

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

Brand: Heathkit

Heathkit DX-60 Transmitter: Assembly and Operation Manual

Assembly instructions • February 19, 2026

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.

Brand: Heathkit

Heathkit DX-60 Transmitter: Assembly and Operation Manual

Assembly Instructions • February 19, 2026

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.

Brand: Heathkit

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

manual • February 13, 2026

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 parts list.

Brand: Heathkit

Heathkit IM-2410 Digital Frequency Counter Illustration Booklet

technical specification • February 13, 2026

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

Brand: Heathkit

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

Assembly Manual • February 13, 2026

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 instructions, and operational specifications for engineers, technicians, and hobbyists.

Brand: Heathkit

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

Assembly Instructions • February 13, 2026

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.

Brand: Heathkit

Heathkit IM-17U Transistor Voltmeter Schematic Diagram

Schematic Diagram • February 13, 2026

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

Brand: Heathkit

Heathkit IM-5218 Vacuum Tube Voltmeter Assembly and Operation Manual

Assembly and Operation Manual • February 13, 2026

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.

Brand: Heathkit

Heathkit AM-FM-FM Stereo Solid-State Receiver Model ARW-15 Instruction Manual

ARW-15 • December 15, 2025 • Amazon

Comprehensive instruction manual for the Heathkit AM-FM-FM Stereo Solid-State Receiver Model ARW-15, covering setup, operation, maintenance, troubleshooting, and specifications.

Brand: Heathkit

Assembling and Using Your Heathkit Vacuum Tube Voltmeter Model V-7a

V-7a • August 19, 2025 • Amazon

Comprehensive instruction manual for the Heathkit Vacuum Tube Voltmeter Model V-7a, covering detailed assembly steps, operational procedures, routine maintenance, and troubleshooting guidance for this classic electronic test instrument.

Brand: Heathkit