Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
There are some, but they don't really come for cheap (you might pay more for the converter for the :apple: TV itself). Here's one one I found on a quick search, but it's very expensive:
https://www.audioauthority.com/inde...ority.com/index.php?p=productMore&iProduct=40

You would put the component output of the :apple: TV to the component input of the converter. Then either use the S-video or composite output of the converter to connect it to your TV.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.