Trough opto transmitter board for some Bally 6803 System pinball machines.
Game Compatibility List:
Atlantis
Bally Dungeons & Dragons
Blackwater 100
Escape from the Lost World
Truck Stop
Bally Dungeons & Dragons
Blackwater 100
Escape from the Lost World
Truck Stop
Bally/Midway reference #A080-91895-B000 or A080-91895-C000.
