i remember that i had this post bookmarked and while i was looking thru it, i realized your tv is the same model as mine. did you ever get yours to display correctly? if not i may have the solution if you are interested.
Once again I fell down the martial arts rabbit hole and am plumbing the murky depths of the internet's various martial arts and fighting crafts echo chambers.
If you're not actively involved and only get up to speed every few years or so, you can see the tide of public opinion flapping worse than my dong while I'm skipping naked down a hallway.