Electronic stuff

Sinistar
Speech board schematic by Sean Riddle (8k)
Speech board check plot (.ps.gz, .pdf)
Speech board bottom layer (.ps.gz, .pdf)
Speech board top layer (.ps.gz, .pdf)
Speech board top overlay (.ps.gz, .pdf)


Nintendo color inversion

Check plot (.ps.gz, .pdf)
Bottom layer (.ps.gz, .pdf)


Nintendo color inversion with built-in audio amplifier

Check plot (.ps.gz, .pdf)
Bottom layer (.ps.gz, .pdf)
Top overlay magnified 2 times (.ps.gz, .pdf)


Galaga small board (found on blue boards set)

Check plot (.ps.gz, .pdf)
Bottom layer (.ps.gz, .pdf)
Top layer (.ps.gz, .pdf)
Top overlay (.ps.gz, .pdf)