This sounds exactly how TVs worked before they became "smart", except instead of some module we had a standardized plug and you could attach what ever you wante

This sounds exactly how TVs worked before they became "smart", except instead of some module we had a standardized plug and you could attach what ever you wanted to the tv. In my case, I have an HD tv from 2006, it ain't smart, but it does tune to what ever port I want by default. I've got roku on there now, but in the past I've had cable boxes, consoles, even some rabbit ears.