ZX Spectrums – Part 4

This is a continuation of fault finding and (hopefully) fixing my ZX Spectrums. Since working through the pre-power up checks in ZX Spectrums – Part 2 I ve acquired another rubber key an Issue 3B, so I ve added the pre-power up checks of that to my table too. This post looks a bit more at the Continue reading ZX Spectrums Part 4