File:Victor HC-90 HC-95 schematics and parts changes.pdf
Summary
[edit | edit source]Victor (JVC) service documentation for the HC-90 and HC-95 MSX2 computers, nine pages in Japanese: the analog main board (EA-5020A) circuit, the digital main board circuit on two sheets, the fan motor board (EA-8020A) circuit and copper pattern, two pages of board parts changes between revisions (pages marked "No. 01129B" 10 and 11, covering the EA-1020A digital main, EA-5020A analog main, EA-6020A RGB decoder, EA-6021A analog sub and EA-7020A RAM boards), the packing diagram and packing parts list (page 12), instructions for the floppy drive test program, and oscilloscope waveforms for the digital and analog boards. The circuit sheets are marked "Restored by MSXPro". There is no power supply circuit.
Source
[edit | edit source]Internet Archive item victorhc9095schematic, "Victor HC-90/95 Schematic (JP)", https://archive.org/details/victorhc9095schematic (retrieved 2026-10-21). The item description says it seems to cover the original HC-90 and HC-95 and the HC-90(A) and HC-95(A) revisions. The MSX Resource Center wiki links the same schematics as restored by MSXPro.
Author
[edit | edit source]Victor Company of Japan; circuit sheets restored by MSXPro.
Licence
[edit | edit source]Copyright Victor Company of Japan. Hosted for preservation and repair reference, with the source cited.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 13:11, 21 October 2026 | 0 × 0 (975 KB) | Josh (talk | contribs) | Victor HC-90 documentation and images |
You cannot overwrite this file.
File usage
There are no pages that use this file.