Osborne Vixen Schematics
The Osborne Vixen schematics are a 13-page scan of C-size drawings for the Osborne Vixen (Osborne 4), titled "Osborne Vixen schematics" in the PDF. The PDF was made in 2008 and its keywords field names chiclassiccomp.org; bitsavers holds the same file.
Contents
[edit | edit source]- Page 1: an Osborne drawing of the Astec power supply, dated 8/10/83
- Page 2: Zenith's schematic 123-5657 for the DS7 video display (August 1982)
- Pages 3 to 4: the two-sheet I/O board schematic (IEEE-488 and 8155 port), drawn 1 August 1984
- Pages 5 to 13: the nine-sheet CPU board schematic, revision C, drawn 31 July 1984
What this document does not contain
[edit | edit source]- The power supply drawing gives no component values.
- No parts lists. The circuits are described in the Osborne 4 Theory of Operation Manual, which corresponds to the revision C schematics; the earlier drawings are described at Osborne Vixen Engineering Drawings Mar83.
Pages that cite this document
[edit | edit source]- Osborne Vixen
- Osborne Vixen Capacitor Replacement Guide
- Osborne Vixen Engineering Drawings Mar83
- Osborne Vixen Maintenance Guide
- Osborne Vixen Troubleshooting Guide
Download: Vixen Schematic.pdf