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File:Ferranti Archives ZX80-SIN-LIT-130 Sinclair ZX80 assembly instructions with circuit diagram, 1980.pdf

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Summary

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Colour scans of Sinclair's ZX80 kit assembly instructions, "(c) Sinclair Research Ltd. 1980", a folded sheet printed on both sides: sections 1 to 11 (preparation, precautions, assembly, construction order, testing, power supply, faults, the white-on-black display option, component list, miscellaneous parts, service), the component location drawing of the Issue 2 board, and the ZX80 circuit diagram on its reverse. It is the same leaflet as the copy on the Sinclair ZX80 Assembly Instructions page but a different edition. Differences include the supply range (7 to 11 V here, 7 to 12 V in the wiki copy), the ROM (2332 here, 8332 or TMS 4732 there), C15 (0 to 330 pF here), a fault-list entry on curing picture jitter with C15 where the wiki copy has an ohmmeter check for solder bridges, and no refund clause in the service section. The changes suggest this is the earlier printing. This copy includes the circuit diagram, which the wiki copy lacks; the diagram's IC table lists IC7 and IC9 as 74LS167 and 74LS166 where the component list has 74LS157 and 74LS165. The ZX81 equivalent is ZX81-SIN-LIT-131. Part of the Ferranti Archives 2026.

Archive record

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Ferranti Archives 2026 catalogue record
Catalogue ID ZX80-SIN-LIT-130
Date 1980
Origin Sinclair
Document type Literature
Device or subject ZX80
Catalogue description Scan of ZX80 assembly instruction as provided with the ZX80 kit
Original file name {{{filename|}}}
Found in ZX81-FER-FOL-142
Pages 4

Source

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Ferranti Archives 2026, original scan on Google Drive.

Author

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Sinclair Research Ltd

Licence

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Ferranti Archives 2026: source and terms of use

This scan is part of the Ferranti Archives 2026, a collection of Sinclair-related documents from Ferranti's files, catalogued in 2026 and released through the Happy Little Diodes YouTube channel (video, catalogue). The archive presents the documents for preserving and archiving material of historical interest, and for non-commercial, educational and archival research. Its terms state that consent is strictly limited to non-commercial use, and that any commercial exploitation of the documents or their contents, including use in connection with the manufacture, marketing or sale of goods, is strictly prohibited by Sky UK Limited.

Copyright remains with the rights holders. The file is not freely licensed and is hosted here for preservation and repair reference only, under the archive's terms. Personal information was redacted by the archive before release; if you find any that remains, please tell [email protected].

File history

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Date/TimeDimensionsUserComment
current10:59, 18 October 20260 × 0 (2.7 MB)Josh (talk | contribs)Ferranti Archives 2026: ZX80-SIN-LIT-130

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