If it’s just a cheap TV for the garage or some such stuff, go grab a hand drill and wave it in front of the TV while it’s spinning. You’ll be able to move around the spots and at least minimize them. I defucked a TV that my old roommate fucked with a neo-dymium magnet out of an old 5.25 hard drive that way well enough to use in my basement holy fuck this is a run on sentence.