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Heathkit HW-104 User Manual

Heathkit HW-104
236 pages
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Heathkit HW-104 Specifications

General IconGeneral
Image Rejection60 dB
IF Frequency455 kHz
ModesCW, AM, SSB
Power Output100 W
Receiver Sensitivity0.5 μV for 10 dB S+N/N (SSB/CW)
Power Supply117 V AC
Selectivity2.1 kHz at -6 dB (SSB)

Summary

Introduction and General Information

Introduction

Overview of the Heathkit HW-104 Single Sideband Transceiver and its features.

Parts Packaging

Explanation of how components are packaged for assembly and how to identify them.

Assembly Notes

General guidelines and tips for successful kit assembly, including soldering techniques.

Circuit Board Assembly

Variable Frequency Oscillator (VFO) and Extender Board

Detailed parts list and step-by-step instructions for assembling the VFO and Extender circuit boards.

Transmitter Audio/REG Circuit Board

Parts list and step-by-step assembly guide for the Transmitter Audio/REG circuit board.

HFO/Premixer Circuit Board

Component list and assembly instructions for the HFO/Premixer circuit board.

Calibrator Circuit Board

Parts list and step-by-step assembly for the Calibrator circuit board.

Transmitter IF Circuit Board

Component list and assembly instructions for the Transmitter IF circuit board.

VFO Filter and Driver Circuit Boards

Parts list and assembly steps for VFO Filter and Driver circuit boards.

ALC/Output Filter Circuit Board

Detailed component list and assembly instructions for the ALC/Output Filter circuit board.

Carrier Generator/XTAL Filter Circuit Board

Parts list and step-by-step assembly for the Carrier Generator/XTAL Filter circuit board.

Receiver Front End Circuit Board

Parts list and assembly instructions for the Receiver Front End circuit board.

Receiver IF/Audio Circuit Board

Parts list and step-by-step assembly for the Receiver IF/Audio circuit board.

Power Amplifier Circuit Board

Component list and assembly instructions for the Power Amplifier circuit board.

Chassis and Final Assembly

Chassis Assembly Parts List

List of all parts required for the main chassis assembly.

Chassis Parts Mounting

Instructions for mounting various components and sub-assemblies onto the chassis.

Front Panel Preparation

Steps for preparing the front panel, including applying labels and mounting hardware.

Front Panel and VFO Mounting

Procedure for mounting the front panel and VFO assembly onto the main chassis.

Under-Chassis Wiring

Detailed wiring instructions for components located under the main chassis.

Knobs and Shafts

Instructions for installing control knobs and aligning them correctly on the shafts.

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