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 32x S-video mod revisited

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Drakon
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PostSubject: 32x S-video mod revisited   Sat Sep 06, 2014 9:44 am

I've been re-doing a lot of my older mod work in systems.  When working in my 32x I found the s-video wasn't satisfactory enough for me.  I played around with the circuit design and managed to further improve on the circuit / mod to have a clearer image:



This is most likely the clearest s-video from a genesis will ever get.  As you can see this is a huge improvement over the older mods.  The custom rohm encoder found in the 32x handles genesis interference better than other encoders.  The colours aren't as nice but that's a small price to pay for an image with far less interference.


Last edited by Drakon on Tue Sep 16, 2014 9:57 pm; edited 1 time in total
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Drakon
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PostSubject: Re: 32x S-video mod revisited   Tue Sep 16, 2014 9:57 pm

I mucked around some more with the new circuit for the 32x encoder, I changed a number of things.  I fixed the colours / tint being off.  I found a way to make the colours brighter.  The Jailbars are now even weaker.  The jailbars are as weak as an external rgb to component adapter so I consider that issue pretty much solved.  Since the colours are stronger the rainbow banding is stronger too. I suppose I could always add a stronger resistor to chroma to weaken the rainbow banding if that ever bugs me, the downside to this is it would also make the beautiful vibrant colours more washed out:

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