We had friends do this and what I found alarming was the fact that they come into your home and, from what I understand, they will remove the back of each of your televisions and install some hardware. It sounded like pretty drastic stuff and, for our friends, I think the technicians had the back off for a couple of days before they got one of the sets working again. I'm not sure I would feel comfortable with anyone messing around inside my TV sets unless it was to repair the unit and the technician was a manufacture authorized service person. Hopefully, you don't have any problems with this part of it.