friend, I think that you will not have trouble finding information on this subject, the case is that these TVs are practically obsolete, since the LED TVs have flooded the world, and unfortunately, most of them have no arrangement or not It should be repaired also people prefer to buy new before doing so because they do not last long, in my locality the electronics technicians have almost lost their jobs, and the workshops are closing, sad .... but it is a reality that affects us all those of us who repair, "programmed obsolescence" call you, regards,