File:Sinclair ZX81 Service and Assembly Manual.pdf
Summary
[edit | edit source]Scan, made in 2002, of a dealer's copy of Sinclair's ZX81 Assembly Instructions (Sinclair Research Ltd, 1981), the booklet supplied with the ZX81 kit, bound with the ZX81 circuit diagram and documents for several third-party add-ons. 43 PDF pages; most carry the stamp of Mauritron Technical Services. "Service and Assembly Manual" is the name the Sinclair ZX Computers Archive gives it; it is not the printed title. Described on Sinclair ZX81 Assembly Instructions.
Source
[edit | edit source]https://k1.spdns.de/Vintage/Sinclair/80/Sinclair%20ZX81/Service%20and%20Assembly%20Manual/ (file "ZX81 Service and Assembly Manual (scans).pdf", same size, 1,692,289 bytes; checked 2026-10-01).
Author
[edit | edit source]Sinclair Research Ltd (assembly instructions and circuit diagram); the add-on documents are by their makers.
Licence
[edit | edit source]Copyright Sinclair Research Ltd. Not freely licensed. Hosted for preservation and repair reference.
File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 17:26, 22 September 2026 | 0 × 0 (1.61 MB) | Josh (talk | contribs) | Sinclair ZX81 Service and Assembly Manual — component lists and PSU specification |
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