New much better speakers not much better, help

I think I’m going to upgrade deck with a dvd and add a sub. Goal is to get tv to play through new deck and sound to come out of new speakers and sub. Seems the only output option for video is old red white yellow. No one seems to make hdmi OUT. I was hoping to play dvd through deck into tv. How is everyone achieving this?

I could use AC dvd to tv but that’s lame to use extra gear. Could use a tv with built in dvd but that really limits options for buying cheap used tv.