Robot Bowl, Exidy 1977
----------------------

1       5v
2       gnd
3       video ret
4       video
5       1 player
6       2 player

12      coin switch

14      35vac CT
15      35vac
16      35vac
17      video inv relay -
18      video inv relay +

20      speaker out
21      speaker out

                      +5v
22      pot wiper    ->| 5k
                      gnd


