Capcom PCB problems?

zookeeper

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Hi,
I'm looking for a website that shows what video of different pcb problems, so I can narrow down what part is bad on my pcb? It is a Final Fight game and the background looks fine, but the character is two block lines, and I can't see any bad guys?

I've popped out as many EPROMs that I could and cleaned them and reseeded them, also cleaned the Jamma attachment. I've tested the board in a different game with the same results.

Any help would be appreciated.

Thanks!
 
You need an eprom burner so you can read the data on the eprom and then reburn the info if needed. Also thaat could also be ram issue to numerous things.
 
Hi,
I'm looking for a website that shows what video of different pcb problems, so I can narrow down what part is bad on my pcb? It is a Final Fight game and the background looks fine, but the character is two block lines, and I can't see any bad guys?

I've popped out as many EPROMs that I could and cleaned them and reseeded them, also cleaned the Jamma attachment. I've tested the board in a different game with the same results.

Any help would be appreciated.

Thanks!
Post a pic of the problem A.
 
Looks like a pin(s) isn't connected but like mentioned earlier you need to verify the data on the roms if there is no broken traces, lifted pins or gouges on the PCB. Could also be a connection issue between board layers.

Since it's CPS1 check the traces that go to the board connectors as those sometimes rust so if the traces look really dark they could be corroded.
 
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