I have received a Punch out famicom cart but I am seeing some sprite corruption. With a cold boot it works fine but after a few mins the corruption gradually comes in. It starts with a few pixels then they get bigger and its always the same sprites. It stays that way unless I turn it off for a while.
Is it possible this is caused by a faulty capacitor in the cart? Or is one of the chips damaged?
Here are some pictures:
Is it possible this is caused by a faulty capacitor in the cart? Or is one of the chips damaged?
Here are some pictures: