Donkey Kong Jr. Graphic Issue

cabsR4pimps

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Dec 30, 2009
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Hi, I was wondering if anyone knows how to fix this? I have replaced the ribbon cables, reseated all the roms and checked for the proper voltage on the power supply. Nothing I have done fixes this. Thanks,
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i have the same problem with mine. Both my PROMS are fine. The red and green outputs are pulsing when not connected to the monitor but go constant low when connected.
I will do some more digging when I get more time but if anyone has any ideas that would be great
 
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