Ms pac man : sections of maze walls missing

Smart Bomb

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Donor 2014, 2024
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In trying to fix a different issue, it was suggested to me to replace 4D....i replaced it (and it is now a socketed chip) and when i turmed the game on, not only was my original issue not fixed i now have the issue u see in the pic: areas of maze walls missing.

The original issue (there is a seperate thread on the original issue...as u can see in the pic the charcater sprites only show up in top 1"area of maze...i was informed 4d was bad and i should replace it which would correct this)

So i figured the replacment chip was bad so i put the original one back in and the new issue is still there, along with the original problem.
 

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If the new issue is present with old and new chips, I'd say you damaged a trace replacing the chip. That's where I'd start looking.
 
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