Sinclair ZX Spectrum Keyboard Membrane Repair: Revision history

23 September 2026

• curprev 20:1520:15, 23 September 2026 Josh talk contribs 8,873 bytes +4,114 Remove the live ChatGPT citation placeholder; the 22k/R68 STOP fix is real but is step 5 of Sinclair's Spectrum-to-Spectrum+ conversion (and is RP1 pins 1-5 on an Issue 1 board), now cited to the service manual; add Sinclair's block-of-five/block-of-eight fault rule, the section 10.3 assembly figures, the foam pads and the dual-contact keys; fix markdown numbering, the H1 title, the red links and the non-existent categories undo

10 August 2025

• curprev 10:5210:52, 10 August 2025 Josh talk contribs 4,759 bytes +73 No edit summary undo Tag: Visual edit
• curprev 10:5210:52, 10 August 2025 Josh talk contribs 4,686 bytes +1 No edit summary undo
• curprev 10:5110:51, 10 August 2025 Josh talk contribs 4,685 bytes −872 No edit summary undo Tag: Visual edit
• curprev 10:4410:44, 10 August 2025 Josh talk contribs 5,557 bytes +5,557 Created page with "{{Short description|Comprehensive guide to fixing and replacing Sinclair ZX Spectrum keyboard membrane}} {{About|hardware repair of ZX Spectrum keyboard membrane|this repair guide|other uses}} = ZX Spectrum Keyboard Membrane Repair = This guide provides a thorough, step-by-step process for diagnosing, removing, cleaning, and replacing the ZX Spectrum keyboard membrane (both "rubber-key" 16/48K and 48K+/128K / Spectrum+ variants), including advanced troubleshooting and..."