A machine from New York! How Glamorous.
Here follows a fault finding adventure culminating in a bizarre method of pinpointing a short.
How To Replace The ROM Of A ZX Spectrum With An EPROM - http://blog.retroleum.co.uk/electronics-articles/how-to-replace-the-rom-of-a-zx-spectrum-with-an-eprom/
Amazon links to stuff I use! - https://linktr.ee/happylittlediodes
Patreon - https://www.patreon.com/happylittlediodes
Join me on Discord! - https://discord.gg/ua5d8jQ6
Get in touch if you need help with your own repairs