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Unfortunately, a real complete schematic is not available yet.
This is the schematic of the Power Supply, VGA driver and Reset circuitry (not completed)
This is the schematic of the ULA3 CPLD, Scan Converter ram bank and Spectrum Video-ram bank.
Hand-written documents with all the information about pinouts and wirings are however available. A scanned version of these pages is included in the .doc and .html project documentation files, downloadable from Documentation Section.
Furthermore, the pinout-constraint included in the CPLD programming files provides error-free information about any signal that should be connected to these programmable components.
This picture shows the project at a very early stage (VGA output tests)