Sonic68710 Posted July 5, 2020 Share Posted July 5, 2020 Does anyone know what might be the cause of this video flicker? Board has new caps, new video encoder chip, and new 64 pin connector. 20200524_173645.mp4 Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted July 6, 2020 Share Posted July 6, 2020 Are you getting this on multiple TVs? How exactly do you have it connected up to your TV? Are you using an official Sega PSU with it or one of the off brand remakes recently released? Quote Link to comment Share on other sites More sharing options...
Sonic68710 Posted July 6, 2020 Author Share Posted July 6, 2020 Connected with HD retrovision cables to OSSC. Also tried HD retrovision cables to retrotink 2x same flicker. Used original power supply with new capacitor same flicker. Tried retro game cave power supply same flicker. Tried different genesis with same setups no flicker definitely the system. Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted July 6, 2020 Share Posted July 6, 2020 Interesting. I also use a set of HDretrovision cables directly into my OSSC from my model 1 and I think I've only seen that when my adapter cable to convert from the model 2 to model 1 plug port wasn't seated right or making a good connection from the Genesis AV out port. In fact, now that I think about it more, It used to happen quite often and it stopped once I started using my 32x instead and had the HDretrovision cable plugged off the 32x into the OSSC. Quote Link to comment Share on other sites More sharing options...
Sonic68710 Posted July 6, 2020 Author Share Posted July 6, 2020 Flicker is present even when 32x is plugged in. I have to say I am stumped. Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted July 6, 2020 Share Posted July 6, 2020 Does moving the HDretrovision cables change it at all? Again I didn't get the flicker on mine, but I would have it where the color hues would brighten and darken on the image and it was do to something being loose on the HDretrovision cable side of things. Not sure the specific cause of your flicker unless something is up with the sync signal in some way? Sync isn't use on the output from the cables, but it likely is needed in the conversion process the cables do from RGB to component. I know that doesn't help a ton but there is something different about the signal from the Genesis and that seems to be transferred through to the 32x as well in this case which, is more odd since my understanding is that the 32x just takes the RGB from the Genesis and routes it back through it own video encoder. That is why in many cases, you can get cleaned up video when using a 32x, especially on an earlier model 1 Genesis. Just thought of something else to try... Is this a model 1 or model 2 we are talking about here? Quote Link to comment Share on other sites More sharing options...
Sonic68710 Posted July 6, 2020 Author Share Posted July 6, 2020 (edited) Model 2 VA1.8 Jiggling the cables while on doesn't change anything. Tried tapping and pressing on the VRAM chip while on doesn't change anything either. Edited July 6, 2020 by Sonic68710 Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted July 6, 2020 Share Posted July 6, 2020 Okay. Was going to suggest maybe one of the VRs wasn't doing its job right if you had a model 1 unit. I've not encountered this issue with a model 2, but did see it on my model 1 and it was due to connectivity issues between the console and along the HDretrovision cables to my OSSC from what I found. Quote Link to comment Share on other sites More sharing options...
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