---
title: "Hardware Tips"
type: "article"
slug: "hardware-tips"
url: "http://localhost/article/hardware-tips/"
markdown_url: "http://localhost/article/hardware-tips.md"
published_at: "2020-10-27T17:18:52+00:00"
modified_at: "2024-06-23T01:04:56+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Thick Black Bars; Insufficient Filtering Solved; Memory Expansion Power Supply; Ear Input Circuit; Problems with ROM Changing; Top Line Hook Solution; Strong Signals on KBD 0 through KBD 4."
category:
  - name: "SYNC"
    slug: "sync"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/sync/"
post_tag:
  - name: "1982"
    slug: "year-1982"
    taxonomy: "post_tag"
    url: "http://localhost/tag/year-1982/"
  - name: "Hardware project"
    slug: "hardware-project"
    taxonomy: "post_tag"
    url: "http://localhost/tag/hardware-project/"
  - name: "ZX80"
    slug: "zx80"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx80/"
model:
  - name: "Sinclair ZX80"
    slug: "zx80"
    taxonomy: "model"
    url: "http://localhost/model/zx80/"
indiv:
  - name: "George Ingle"
    slug: "george-ingle"
    taxonomy: "indiv"
    url: "http://localhost/indiv/george-ingle/"
  - name: "Herb Hornung"
    slug: "herb-hornung"
    taxonomy: "indiv"
    url: "http://localhost/indiv/herb-hornung/"
  - name: "James Dowell"
    slug: "james-dowell"
    taxonomy: "indiv"
    url: "http://localhost/indiv/james-dowell/"
  - name: "Robert Hartung"
    slug: "robert-hartung"
    taxonomy: "indiv"
    url: "http://localhost/indiv/robert-hartung/"
publication: "Sync"
publication_r:
  id: 10243
  title: "SYNC"
  type: "periodical"
  url: "http://localhost/periodical/sync-magazine/"
authors: "George Ingle; Robert Hartung; James Dowell; Herb Hornung"
volume: "2"
issue: "4"
issues_articles:
  - id: 26644
    title: "SYNC v2 n4"
    type: "issue"
    url: "http://localhost/issue/sync-v2-n4/"
pages: "74-76"
pubdate: "July/August 1982"
archive_link: false
volumeissue: "v2n4"
---

# Hardware Tips

Thick Black Bars; Insufficient Filtering Solved; Memory Expansion Power Supply; Ear Input Circuit; Problems with ROM Changing; Top Line Hook Solution; Strong Signals on KBD 0 through KBD 4.