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Heathkit HP-23A - User Manual

Heathkit HP-23A
21 pages
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ASSEMBLIY
MANUAL,
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AC
POWER
SUPPLY
MODEL
HP-23A
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Heathkit HP-23A Specifications

General IconGeneral
Input Voltage117 VAC
Input Frequency50-60 Hz
Output Voltages+800 VDC, +300 VDC, -130 VDC, 6.3 VAC, 12.6 VAC
Output Current (+300 VDC)150 mA
Output Current (-130 VDC)50 mA
Output Current (6.3 VAC)4 A
Voltage Regulation±1%

Summary

Introduction

Parts List

Resistors

Lists resistor components with part numbers and descriptions.

Capacitors

Lists capacitor components with part numbers and descriptions.

Hardware

Lists hardware components like screws, nuts, and washers.

Miscellaneous Parts

Lists other components like switches, transformers, and sockets.

Step-by-Step Assembly Guide

Chassis Parts Mounting

Instructions for mounting components onto the chassis.

Transformer Wiring

Details on connecting the power transformer leads.

Chassis Wiring

Instructions for wiring components within the chassis.

Component Installation

Steps for installing various electronic components like resistors and capacitors.

Final Wiring

Completing the internal wiring connections of the unit.

Final Assembly

Steps for assembling the outer casing and final components.

Initial Tests and Checks

Operating the Power Supply

Troubleshooting and Problem Solving

General Troubleshooting Information

General advice for resolving common assembly and operational issues.

Troubleshooting Chart

A table listing common difficulties and their possible causes.

Technical Specifications

Circuit Description

Primary Circuit

Explains the AC input and primary power handling.

High Voltage Secondary Circuit

Describes the high voltage generation and rectification.

Low Voltage Circuit

Details the low voltage DC output generation.

Bias Voltage Circuit

Explains the generation of fixed and adjustable bias voltages.

Filament Voltage Circuit

Describes how filament voltages are provided.

Chassis Photograph

Replacement Parts Price List

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