Schematics for the project can be found here...
2NV73+ schematic
2NV73+ B182 schematic
2NV73+ BA205 schematic
2NV73+ BA211 schematic
2NV73+ BA284g schematic
2NV73+ BA284h schematic
2NV73+ DI input schematic
Or you can also reference the original vintage schematic here:
schematic