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Static Hum Bars


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Hi All,



I have converted my Vader Atari 2600 over to composite a while ago. Recently, I started seeing these static hum bars going up the screen. Really wide. One very noticeable and another one on the screen not as noticeable. They slowly move up the screen. I don't remember them before. When reading about hum bars if I have two that means that it is a 120 cycle hum. I assume this means power supply maybe?


I don't want to have to go out an buy another power supply if it is not. Any assistance would be appropriated.

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