@wade52018 okay so this question has some iRobot issues. It marked it for Spam and has somehow managed to delete my prior suggestions for troubleshooting. I am certain that the magicians @amber or @krisrodriguez will get this straightened out quickly :-)
Let me see if I find a schematic for the main board. It does appear as if this is an issue with your LCD driver board. Those are the four small board where the ribbon cables from the main board terminate to.
For now, remove the interconnect cables from the two driver boards on the left side and the two driver boards on the right side. do this one after the other. I guess what I am saying is, first remove the right side, try your TV and note the symptoms. Reconnect and try the other side. Note the symptoms and let us know what happens when you do that.
Heat usually means short circuit, which could come from those boards. Let's see what it shows you.