---
title: "Trouble-shooting and Repairs for Your ZX81"
id: 21083
type: "book"
slug: "trouble-shooting-and-repairs-for-your-zx81"
url: "http://localhost/book/trouble-shooting-and-repairs-for-your-zx81/"
markdown_url: "http://localhost/book/trouble-shooting-and-repairs-for-your-zx81.md"
published_at: "2020-04-05T16:22:44+00:00"
modified_at: "2024-05-26T15:07:26+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Shows how to diagnose problems and make repairs; trouble shooting tips to shortcut diagnosis; diagrams of where to check. DC readings throughout the board. Some test programs. Where to buy parts. List of tools needed, especially a good volt/Ohm meter and LED tester."
category:
  - name: "Books"
    slug: "book"
    taxonomy: "category"
    url: "http://localhost/category/book/"
post_tag:
  - name: "Alpha Electronics"
    slug: "alpha-electronics"
    taxonomy: "post_tag"
    url: "http://localhost/tag/alpha-electronics/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
  - name: "ZX81"
    slug: "zx81"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX81"
    slug: "zx81"
    taxonomy: "model"
    url: "http://localhost/model/zx81/"
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
indiv:
  - name: "Fred Johns"
    slug: "fred-johns"
    taxonomy: "indiv"
    url: "http://localhost/indiv/fred-johns/"
authors: "Fred Johns"
publisher: "Alpha Electronics"
pages: "25"
links:
  - link_text: "Listing in Sync v3 n5"
    link_url: "https://archive.org/details/syncmagazine-v3_n5/page/n58"
zotero_id: "QP82IY7J"
---

# Trouble-shooting and Repairs for Your ZX81

Shows how to diagnose problems and make repairs; trouble shooting tips to shortcut diagnosis; diagrams of where to check. DC readings throughout the board. Some test programs. Where to buy parts. List of tools needed, especially a good volt/Ohm meter and LED tester.