vintagegamecrazy Posted October 29, 2022 Share Posted October 29, 2022 I have a ColecoVision that's an excellent working condition other than a dim picture. I fully rebuilt the RF modulator and is bad of a shape as it was in but it's still a very dim picture. I tried doing Ben Hecks av mod but the revision is different so it didn't work. If anybody has one they would want to sell possibly from an AV modded system or from a completely broken system let me know. Quote Link to comment Share on other sites More sharing options...
Dopy25 Posted October 29, 2022 Share Posted October 29, 2022 How about an lm318 mod board? I bought enough to make 3 (minimum oshpark order) but only used 2. You can pull the signals from here: If you want to make your own, I found the board here: https://oshpark.com/profiles/thecrypticodor If you want, I can send you the spare board I have. It's already setup, the one in the first pic. $10 plus shipping. Quote Link to comment Share on other sites More sharing options...
vintagegamecrazy Posted October 31, 2022 Author Share Posted October 31, 2022 I'm interested if you think that would work despite a poor RF modulator. Quote Link to comment Share on other sites More sharing options...
vintagegamecrazy Posted October 31, 2022 Author Share Posted October 31, 2022 I would actually prefer to remove the RF modulator if possible and pull directly from the board. Is that doable with that board? Quote Link to comment Share on other sites More sharing options...
Dopy25 Posted November 1, 2022 Share Posted November 1, 2022 16 hours ago, vintagegamecrazy said: I would actually prefer to remove the RF modulator if possible and pull directly from the board. Is that doable with that board? No because it uses some of the circuitry built into the RF modulator. No idea why, but when I was looking for a solution to poor RF, I found that most or all Colecovision video mods won't work without the RF unit installed. There might be one solution but I can't remember. I know I made these because it was the most economical and clear video mod I could find. There are much cheaper ones, but they burnout and fail. This one will last the life of the console. Plus, you don't have to remove anything from the console and there are only a few connections to solder. But yes, it will work even though you have poor RF. That's the exact same reason I used it. Here is what it looks like on my TV sets: CRT: LCD: Quote Link to comment Share on other sites More sharing options...
vintagegamecrazy Posted November 1, 2022 Author Share Posted November 1, 2022 PM me with a cost. I may have some free cash in a week or so. I want to fix this one and probably keep it since it's modded. I have three of them now and want to keep two and sell one. Thanks for your help with this. Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted November 2, 2022 Share Posted November 2, 2022 The only AV upgrades I'm aware of that allow you to remove the RF modulator are the f18a and TMS-RGB boards. However, perhaps in the future other solutions might become available that give even more options. 1 Quote Link to comment Share on other sites More sharing options...
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