The ZX81 Kit - In Photos

The ZX81 Kit - In Words

Memory Packs / MemoCalc / Hi Resolution Unit

Other ZX81 Hardware

ZX81 Software

ZX81 Books

Online ZX81 Manual

Cost Of The ZX81 Kit

Original Building Instructions and Circuit Diagrams

Complete Online ZX81 Kit Assembly Instructions

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Original Building Instruction Scans


This page has jpeg photo scans of the original building instructions and circuit diagrams which came with the ZX81 kits back in 1981.

You will be supplied a free set of building instructions with your ZX81 kit purchase , as well as the online version of the instructions here.

You are welcome to download and print out and keep these photo scans of the original instructions should you wish but please be aware they are very large and slow to download.

Cover Page

Pages 1-2

Pages 3-4

Pages 5-6

Page 7

Circuit Diagram 1

Circuit Diagram 2