Information on Asteroids PCB revision 5

zaphodava

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I'm trying to repair the mainboard on an Asteroids upright cabinet. Board is listed as a034986-05, and information on this board has been hard to find.

I need to replace a missing chip at location D5 to get it running, and I'm pretty sure one of the vector counters was wonky, because when it ran previously, some of the horizontal lines were offset low. For example, the A would look more like a house.

When I find the 5th printing of the asteroids manual, it has a diagram for the -04 revision.

Thanks!
 
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