As discussed on Discord, it looks like the RCA Nuon DVD players have circuitry on their PCBs for Nuon controller ports. However, all the necessary components are unpopulated. I've acquired a DRC480n and a DRC300n, and am working on figuring out what components are needed to add controller ports to these units. However, I'll likely need some help from some HW experts, as I'm more of a software guy and my experience reverse engineering circuits/components is limited. To that end, I've taken...
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