I am a satellite installation supervisor. I have ran into this too many times. The Samsung TV is the problem. The newer models use voltage to communicate with the surround sound systems so when the tv is turned on the surround automatically comes on. We teach our techs not to hook up to the HDMI1 slot. Most TV's that have this feature use HDMI1. I dealt with the issue today and it was a Samsung causing the issue. It actually fried the receiver. Hope this helps. I deal with this issue everyday as a senior technicians for a big cable company. Voltage will cause tilling, box reboots, modem reboots in another room, missed recordings, ect ect. The reason it attacks the cable boxes is because the coax acts as the ground source since by law it must be grounded. We techs cannot fix it but there is a way to divert the voltage. What you need first is to verify that the power outlet is connected properly. The fast way is to buy a 5 dollar polarity tester. What you are looking for is that you have a proper ground and the right polarity. Next you will need a grounded power strip with the two coax tips on it (the one with the three prongs and the two tips that look like where the cable connects to the back of the tv). Third you will need a piece of coax cable. Not that cheap stuff, just as a cable guy for a jumper.<br><br> So what we are trying to do is give the voltage the path of least resistance. So you plug in the power strip to the working power outlet. Next you take the coax cable and screw it in the back of the tv on one end and the other to the power striptips. It does not matter if its the in or out but let's use the in. That's it. If you check it before and after you will notice the voltage gone.<br><br> Now, not all power strips are created equal so some may work some may not. We started to test some on the field and when I can I will update you guys.