ZX Spectrum PCB Schematics and Layout

Here you’ll find schematic and layout information for various models of the ZX Spectrum.

16/48K Family

128/Grey +2 Family

+2A/+2B/+3 Family

Guesser’s Spectrum Schematics page covers the +2A/+2B/+3 family with excellently detailed redrawn schematics.

Modern Versions

Spectrum For Everyone member Dave ‘Steamy’ Briggs has produced some excellent modern versions of the schematic and layout for the ZX81 and Issue 1 Spectrum, and has very kindly allowed us to share them here.

Please credit Dave if you use these.

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