Jul 06 2018 0

Refurbishing a ZX Spectrum 16K (Part 3)

After posting the last article on refurbishing the ZX Spectrum I got a tip from Alex (a.k.a. ZX Wife) via Twitter on what I could try to resolve the issue with the keyboard as soon as the case was completely screwed down. Together with Ian she forms the team behind Mutant Caterpillar.


I was on my holiday break when I got the suggestion, but now I am back so it’s time to follow up on her suggestion and open up the troublesome ZX Spectrum again…

Still had some electrical tape laying around from which I cut a piece big enough to cover the length of the RF modulator

Some electrical tapSome electrical tap

Applied the piece of tape to the RF modulator of the ZX Spectrum and the job is done

Applied electrical tape to the RF modulatorApplied electrical tape to the RF modulator

This time I closed the case of the ZX Spectrum by tightening all of the screws on the backplate. And… the keyboard works perfectly .

Interesting too see what a difference a little piece of electrical tape can make…

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Kaprekar’s Constant On August 5th, 2018 Uwe Geiken posted a programming excercise in the Facebook group ‘BASIC on the ZX Spectrum’. The challenge had to do with
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