Month: April 2020

How Much is a Sinclair ZX Spectrum Worth

ZX Spectrum Common Faults

No Boot or Start-up. Spectrum powers up but will not display Sinclair copyright message. There are a number of different ways a…

ZX Spectrum Joystick Interface Schematic

ZX Spectrum Hardware Mods

ZX Spectrum Voltage Regulator Replacement

ZX Spectrum Upper RAM Replacement

Which ZX Spectrum to Buy?

What is Rubbing Alcohol Used for?

Alternative to Rubbing Alcohol for Cleaning Electronics – What are the Options?

What is Rubbing Alcohol? Rubbing Alcohol is usually 70% Isopropyl alcohol (C3H8O) and 30% water but some brands may include other substances…

Amiga 1200 Keyboard Repair and Restoration

I removed the keyboard from the A1200 making sure to carfully detach the ribbon cable from the pcb connector. Next I carfully…