Category:Sinclair Computers

Sinclair Computers
Preserving the Legacy of British Home Computing: ZX80, ZX81, Spectrum and More

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Welcome to the Sinclair Computers category! This section focuses on the restoration, maintenance, upgrades, and historical documentation of systems developed by Sinclair Research Ltd, including the groundbreaking ZX series and early British microcomputers.

Each system features:

System-specific maintenance and cleaning guides
Common faults and repair procedures
Upgrade and modification resources
Technical documentation and schematics

🖥️ Sinclair ZX80

Model	Maintenance	Troubleshooting	Capacitor Guide
Sinclair ZX80	Sinclair ZX80 General Maintenance	Sinclair ZX80 Troubleshooting Guide	Sinclair ZX80 Capacitor Replacement Guide

🖥️ Sinclair ZX81

Model	Maintenance	Troubleshooting	Capacitor Guide	Memory Upgrades
Sinclair ZX81	Sinclair ZX81 General Maintenance	Sinclair ZX81 Troubleshooting Guide	Sinclair ZX81 Capacitor Replacement Guide	Sinclair ZX81 Memory Upgrade Guide

🎨 Sinclair ZX Spectrum (16K / 48K / +)

Model	Maintenance	Troubleshooting	Capacitor Guide	Keyboard Repair
ZX Spectrum 16K/48K	ZX Spectrum General Maintenance	ZX Spectrum Troubleshooting Guide	ZX Spectrum Capacitor Replacement Guide	ZX Spectrum Keyboard Membrane Repair

🖥️ ZX Spectrum +2 / +3

Model	Maintenance	Troubleshooting	Capacitor Guide	Disk Drive Maintenance
ZX Spectrum +2	ZX Spectrum +2 General Maintenance	ZX Spectrum +2 Troubleshooting Guide	ZX Spectrum +2 Capacitor Replacement Guide	ZX Spectrum +2 Floppy Drive Maintenance
ZX Spectrum +3	ZX Spectrum +3 General Maintenance	ZX Spectrum +3 Troubleshooting Guide	ZX Spectrum +3 Capacitor Replacement Guide	ZX Spectrum +3 Floppy Drive Maintenance

🔧 Other Sinclair Models

Model	Maintenance	Troubleshooting
Sinclair QL	Sinclair QL General Maintenance	Sinclair QL Troubleshooting Guide
ZX Interface 1/2	ZX Interface Maintenance	ZX Interface Troubleshooting

🧪 Tools & Procedures

Recommended Tools – Must-have tools for repairing vintage Sinclair machines.
CRT Discharge Procedure – Safety guide for systems with integrated CRT displays (e.g., Spectrum +2A/+3).
Capacitor Failure Symptoms – How to identify bad capacitors before failure.
Keyboard Repair Guide (Rubber Dome) – Covers ZX Spectrum and ZX81-style keyboard membranes.

📦 Related Resources

Category:Repair Guides – General-purpose repair documentation.
Category:Service Manuals – Official and third-party service materials for Sinclair systems.
Category:Capacitor Replacement Guides – All capacitor guides in one place.

🔍 See Also

Pages in category "Sinclair Computers"

The following 13 pages are in this category, out of 13 total.