MattGnSC
Member
I picked up a punch out that has a graphics issue with the upper/ opponent monitor. On the attract screen that reads "punch out" it seems fine but any other graphics are garbled. Ive cleaned and reseated all of the seated chips on all 3 boards. I've swapped video inputs between the monitors and the problem follows. I'm thinking it's a graphics rom chip but I don't know how to troubleshoot further. I'll try to upload pictures soon. Does anyone have any other suggestions?
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