Color problem with nes
Please help. I recently bought a few Nintendos original. Problem - I load game for example Mario game starts looks fine. Soon as it starts the screen starts to constantly flash several different background colors. Blue green burgundy purple red. But i can play through tbe levels. I took console apart cleaned the 72 pin connector and connection on motherboard. Also adjusted tightened. Also disabled nes 10 and cleaned cartridges and changed video cables. Same problem. Cant find a solution answer anywhere online. Any info appreciated.
Is this a good question?