Sega Model 1 PCB set

Click on any image for a hi-res version

Main PCB, with Model 1 sound board for the speech and effects, and Digital Audio board, for the music

Supergun Adaptor, showing connections for Pilot and Gunner controls, and I/O board inside box

More screenshots

The complete ROM dump for this game, including BOTH sound boards, can be downloaded here (15MB ZIP file)

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