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I've decided to change JVS wiring to JAMMA... because for me is universal and simplest interface to understand and to bridge different arcade systems (PCB's MiSTer, PC, etc...) So first I taken away the JVS IO boards that comes with the Naomi Universal Cabinet and make a simple cable wiring...

I've did the LED mod with this led tube model: https://amzn.eu/d/1vt6HN3 Simply remove the old tube and the ballast and connect this, the input voltage accept a wide range, from 85V to 265V

Yes, repair logs are essential!!!

Not in order, but one of the things I've have changed was the fluorescent light tube and it's electronics by a new led tube. The main benefit is that led tube does not heat and the consumption is much more less. The most dificult was to find a tube that works with 110 VAC to not touch the...

Hi, I think to start posting my first project here as recomended by a friend (thanks Adri), the main reason is to record the progress and the problems/solutions that arise in the way and the second reason is to share with you and learn and of course have fun while I leave the machine ready. I...

Hi! My name is Alex from Barcelona (Spain), I'm electronic engineer and retro videogames "aficionado", I work making R+D, custom PCB and programming PLC & microchips for the industry, starting also in FPGA world... Recently I bought a naomi "sitdown modified" arcade cabinet and I'm starting to...