Centipede colors are off big time

thats definitely not a deguassing issue. my first thought is a game board issue but i would check the monitor color bars with a TPG or other test pattern generator to rule the monitor out because it kind of looks like blue might be missing or weak.
 
Here is another picture

the top of this screen shot looks like a little deguassing needed.

BTW: it almost looks like your brightness is alittle too high or blacklevel not turned down enough depending on which monitor model you have.
 
looks like a pcb issue to me hard to tell. Do you have another pcb to hookup to that monitor at least?
 
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