Category:Sinclair Computers
| Sinclair Computers |
|---|
| Preserving the Legacy of British Home Computing: ZX80, ZX81, Spectrum and More |
 | The Sinclair Computers page is new!. Many of the pages do not exist, documentation has not been uploaded, and, the category is subject to change. If you wish to contribute, please do! |
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 |
|---|---|---|---|---|
| Sinclair ZX Spectrum | Sinclair ZX Spectrum General Maintenance | Sinclair ZX Spectrum Troubleshooting Guide | Sinclair ZX Spectrum Capacitor Replacement Guide | Sinclair ZX Spectrum Keyboard Membrane Repair |
🖥️ ZX Spectrum +2 / +3
🖥️ Sinclair QL
| Model | Maintenance | Troubleshooting | Capacitor Guide | Other Maintenance |
|---|---|---|---|---|
| Sinclair QL | Sinclair QL General Maintenance | Sinclair QL Troubleshooting Guide | Sinclair QL Capacitor Replacement Guide | Sinclair QL Microdrive Troubleshooting Guide |
🔧 Other Sinclair Models
| Model | Maintenance | Troubleshooting |
|---|---|---|
| ZX Interface 1/2 | ZX Interface Maintenance | ZX Interface Troubleshooting |
🧪 Tools & Procedures
- Recommended Tools – Must-have tools for repairing vintage Sinclair machines.
- Capacitor Failure Symptoms – How to identify bad capacitors before failure.
- Keyboard Repair Guide (Rubber Dome) – Covers ZX Spectrum-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.
- Sinclair QL Microdrive Troubleshooting Guide – Sinclair QL Microdrive troubleshooting.
🔍 See Also
Pages in category "Sinclair Computers"
The following 31 pages are in this category, out of 31 total.
S
- Sinclair QL
- Sinclair QL Capacitor Replacement Guide
- Sinclair QL Maintenance Guide
- Sinclair QL Microdrive Troubleshooting Guide
- Sinclair QL Service Manual
- Sinclair QL Troubleshooting Guide
- Sinclair ZX Spectrum
- Sinclair ZX Spectrum +2
- Sinclair ZX Spectrum +2 Capacitor Replacement Guide
- Sinclair ZX Spectrum +2 General Maintenance
- Sinclair ZX Spectrum +2 Troubleshooting Guide
- Sinclair ZX Spectrum 128
- Sinclair ZX Spectrum 128 Capacitor Replacement Guide
- Sinclair ZX Spectrum 128 General Maintenance
- Sinclair ZX Spectrum 128 Troubleshooting Guide
- Sinclair ZX Spectrum Capacitor Replacement Guide
- Sinclair ZX Spectrum General Maintenance
- Sinclair ZX Spectrum Keyboard Membrane Repair
- Sinclair ZX Spectrum Troubleshooting Guide
- Sinclair ZX Spectrum+
- Sinclair ZX Spectrum+ Capacitor Replacement Guide
- Sinclair ZX Spectrum+ General Maintenance
- Sinclair ZX Spectrum+ Troubleshooting Guide
- Sinclair ZX80
- Sinclair ZX80 Capacitor Replacement Guide
- Sinclair ZX80 General Maintenance
- Sinclair ZX80 Troubleshooting Guide
- Sinclair ZX81
- Sinclair ZX81 Capacitor Replacement Guide
- Sinclair ZX81 General Maintenance
- Sinclair ZX81 Troubleshooting Guide
Media in category "Sinclair Computers"
The following 24 files are in this category, out of 24 total.
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Sinclair QL 68008 processor.jpg 1,024 × 768; 404 KB
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Sinclair QL block diagram.png 2,800 × 1,800; 580 KB
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Sinclair QL board detail.jpg 1,021 × 537; 265 KB
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Sinclair QL circuit diagram (Issue 5).png 7,028 × 5,115; 556 KB
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Sinclair QL circuit diagram (Issue 6).png 7,029 × 5,090; 532 KB
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Sinclair QL Microdrive cartridge.jpg 1,242 × 828; 59 KB
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Sinclair QL Microdrives.jpg 506 × 346; 80 KB
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Sinclair QL motherboard.jpg 2,600 × 1,058; 508 KB
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Sinclair QL PCB component layout (Issue 5).png 4,600 × 3,373; 128 KB
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Sinclair QL PCB component layout (Issue 6).png 4,600 × 3,365; 119 KB
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Sinclair QL power supply pinout.png 980 × 600; 62 KB
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Sinclair QL rear ports.jpg 2,825 × 396; 242 KB
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Sinclair QL Service Manual.pdf 0 × 0; 1.18 MB
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Sinclair QL.jpg 3,231 × 1,014; 1.13 MB
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Sinclair ZX Spectrum 128 circuit diagram (sheet 1).png 2,137 × 3,000; 1.2 MB
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Sinclair ZX Spectrum 128 circuit diagram (sheet 2).png 2,124 × 3,000; 1.14 MB
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Sinclair ZX Spectrum 128 circuit diagram (sheet 3).png 2,133 × 3,000; 1.06 MB
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Sinclair ZX Spectrum 128.jpg 2,211 × 1,418; 446 KB
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Sinclair ZX Spectrum 48K circuit diagram.png 3,400 × 2,479; 829 KB
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Sinclair ZX Spectrum Plus 2 front.jpg 1,846 × 708; 289 KB
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Sinclair ZX Spectrum Plus 2.jpg 2,600 × 1,422; 341 KB
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Sinclair ZX Spectrum Plus main board Issue 6A.jpg 2,576 × 1,932; 1.39 MB
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Sinclair ZX Spectrum Plus rear.jpg 2,600 × 623; 234 KB
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Sinclair ZX Spectrum Plus.jpg 2,600 × 1,457; 687 KB
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