>In the area C/3 on sheet 2 there are two similar sections to detect the CRASH1 and > CRASH2 signals. However D3 pin 9 and D3 pin 5 shall - according to the schematics - > _both_ be connected to 256H! That's senseless, because then both CRASH signals would > always occur together. One of both has to be /256H, probably that of player1 (left).
Another misprint find there on your part.
Atari Space Race hand drawn schematics over here have:
(ic 7400) D-3
pin 9 /256H
pin 3 256H
Midway Asteroid schematics have it printed slightly different