armor attack pcb help

chas010

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Hey guys is there a chip on the armor attack (cinematronics) pcb responsible for drawing vectors? My game just started drawing everything twice, ie. where one tank should be there is two and no on screen words are legible.
I went right through the monitor and then finally tried it in my star castle:mad: and it had a perfect picture. Ive eliminated everything but the pcb now.
Thanks Jason
 
Sounds like it has to be the pcb since you swapped the monitor. One of the chips probably went out and it is putting out the double x, y signals. The monitor is dumb and will display what the pcb tells it to. (well that is my non-technical explanation)

I have 2 non-working cinematronics boards that I need to get fixed, and I am planning on sending them off to wysiwyg once I save up some cash. Definitely way over my head.
 
I was hoping there was a similar to atari avg chip fix for these. My star castle had the same faulty pic once that wiggling the ribbon cable fixed but this one isnt affected by cable swaps.
 
wysiwyg does good work, fixed two of my DOA Armor Attack boardsets & my Star Castle sound board.
 
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