TV with a dark screen, TV is heard but not seen, TV with a black screen, easy solution to frequent display failure caused by internal short circuits on the screen or in the COF chips, these damages are permanent and irreparable, but if we isolate those "bad tracks" that are short-circuited, the image can be restored, although it is possible to see a distortion in the image as a result of the part of the circuit that is isolated not working, this is the only way to recover the functionality of your television to give it more "useful life", this method does not always work because on many occasions the screen is completely damaged, and getting a new or recovered screen from another TV is very difficult, not to say "impossible", I hope that This information is useful for you.