Category Archives: Repair

Refurbishing a 48K Rubber Keyed Sinclair ZX Spectrum – Pt.6 Reassembly

It was finally time to reassemble the machine. I had one last cursory check of both sides of the board, just to make sure it hadn’t picked anything up that may cause an issue and placed the board in the … Continue reading

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Diagnosing 48K Spectrum Upper RAM Faults

By way of a break from the refurb posts; I was recently part of a conversation on FaceBook regardig a coulple of 48K Rubber Key Sinclair Spectrums. Both were proved to have faulty Upper RAM problems by issuing the command … Continue reading

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