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Atari 2600 color artifacts on 7800 w/ composite mod


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On 10/17/2019 at 10:35 AM, shear_xear said:

Hi everyone.  I have an Atari 7800 that I added composite AV to, and now the 2600 games have weird color bars that show up.  Pitfall is probably the worst.  Any ideaswhat might be causing this?   Thanks


Signal reflection, probably from a bad cable or the output impedance isn’t right. You can try wrapping the output cable around a ferrite core a few times which can help. 

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