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Restoring and Exploring a 1981 Sinclair ZX81

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15th July 2021 19 min

The sinclair ZX81 from 1981 is an iconic retro computer in the history of home computing. The follow up to the ZX80 Sir Clive Sinclair consolodated many chips into a ULA to further cost reduce the computer and help get it into our homes from under £50. A truly low cost computer. Today we take a look at one, repair it and try it out to see how it holds up today.

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00:00 Intro

02:21 Who are PCBWay?

02:36 Exploring and repairing our Sinclair ZX81

12:48 Testing the ZX81

14:40 Our thoughts on the ZX81

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  • sinclair zx81
  • computer restoration
  • retro computer repair
  • zx81 keyboard replacement
  • zx81 composite mod
  • zx81 repair
  • rmc

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