I have a 42" Hyundai Vvuon Q421H and it has a lot of sparkly lines across the screen, in two...
(More)
I have a 42" Hyundai Vvuon Q421H and it has a lot of sparkly lines across the screen, in two distinct bands. Is it possible to buy a control board or something similar in order to fix it, or is it a deeper problem?