ZX Spectrum Repair
Featured Series
What to do when first testing a Spectrum
Before you even turn it on, follow the steps to make sure you won’t blow anything up with our guides here.
Featured Guides
Chip Guides
All Guides
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ZX Spectrum ULA
The ULA, or Uncommitted Logic Array, chip was a key component of the ZX Spectrum.
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ZX Spectrum IC26
Guide to the ZX Spectrum IC26 Chip
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ZX Spectrum IC25
Guide to the ZX Spectrum IC25 Chip
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ZX Spectrum IC24
Guide to ZX Spectrum IC24 Logic Chip
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ZX Spectrum IC23
Guide to ZX Spectrum IC23
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ZX Spectrum IC4
Guide to ZX Spectrum IC4 Chip
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ZX Spectrum IC3
Traces for ZX Spectrum IC3 Chip
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ZX Spectrum Repair – Post Plugin Tests
Once you have done your pre-power checks run these to make sure the basics are working OK
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ZX Spectrum Repair – Composite Video Mod
Easily modify your ZX Spectrum 48k to work on modern TVs
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ZX Spectrum Repair – Before You Plug In
A collection of tests to run before plugging in a unknown ZX Spectrum
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Testing Lower RAM On The ZX Spectrum For Beginners
Guide to testing the lower ram of the ZX Spectrum 48k