Good day! I am trying to find a good alternative as not to use the"smart" functions or using an Xbox to consume our media. I found a few options ie like plasma big screen but it’s no longer in development. Essentially I would line love to have it running on an rpi4 and just hooked up to the TV.
What kind of removedty TV takes 30s to turn on? Ive never seen one take that long. Smart functions have literally nothing to do with how fast they turn on. In fact a lot of smart TVs, especially with Roku built in, don’t even really ever power down completely, and when you press power the screen is on and ready almost instantly.
You answered your own question. As you said, most smart TVs go into a sleep mode, so they appear to turn on in a near instant. But if you ever actually power it down, most take up to a minute to boot up.
Dumb TV’s are the same they go to sleep. You need power for the remote to work.
I just got an LG C3 and don’t have it connected to the network. I also turned off the fast input and power on and takes maybe 10 seconds to boot into the input. Not much longer than my blu ray player and receiver.