Having problems with your Flat Panel Televisions ?

I have a Samsung 46 LED 3D 200hz tv. Normally the tv is fine but lately the tv, after a hour or more of viwing, tends to lose signal. Often it starts off with the sound going and then I will lose the picture. I don't think it's loose cables. I often turn the tv off for a few minutes and then turn it back on again. The sounf and picture are fine again, but then I lose sound and picture a few seconds or minutes later. At first I thought it was my Foxtel playing up but when I do have picture and

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