Pacman maze graphics problem

portkey

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Joined
Feb 3, 2016
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Sacramento, California
I bought a pacman board that was reported to be working prior, but when I plugged it in, the maze seems to be corrupted as shown. Does anyone know what might be wrong with the pcb that would cause this problem? Pictures attached. Thanks!
a111461bd9fbe4091fdd670e4e21c1c2.jpg
a2b171e3247c6e777c870a091601f9f0.jpg
 
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