cosam
Deep Blooper
Posts: 15
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Post by cosam on Nov 18, 2023 22:42:32 GMT
Having seen a fair few GTs and Duos ravaged by capacitor damage, I started looking into creating replacement PCBs for these. To start off with, I did the original white PCE using the readily available schematics for the TG-16, to use as a base for the other projects. This board is now working and I published the Kicad project[1] so anyone can order their own, along with the schematics which are basically the same as the TG-16 ones but with the differences documented. I have also made GT boards but because they have not been tested yet, I'm keeping that project under wraps for now. Should have more news on that soon. Next was the Duo (the Japanese version but from what I've seen the Turbo Duo is basically the same except for the obvious HuCard data bus flip). That's working now too so also published[2]. The board is basically a direct replica of a particular revision and I know there are others with various (minor-looking) differences. Also the schematics although complete in the sense that all the connections between components are in there, I'm not an expert in the subject matter so input on what things/signals functionally do would be most welcome. You can find the Kicad projects in the repos below. The "releases" section contains Gerbers for ordering boards and the schematics as PDFs although unfortunately, due to just "printing" these to PDFs, the don't appear to be searchable. The latter are also available via the usual sites you might find such things on when Googling. 1. github.com/Board-Folk/PC-Engine/2. github.com/Board-Folk/PC-Engine-Duo/
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Post by dshadoff on Nov 19, 2023 0:03:36 GMT
Thank you for dong this !! I would like to take a look at the Duo schematics, as soon I can get a chance.
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