When I turn my my receiver past 66db, it turns off. This happen when watching TV, or on DVD, even the radio. thought maybe it was to hot, so I placed a fan by fan by it, but no go. When I was calabrating the speakers, it would go from L, C, R, RS, then when it would go to the rear speakers, it would cut off on me. SO I tried removing the rear speakers, and I programed it to tell the receiver that there was no rear speakers, but still that did no good. I even tried puting it on pure stereo (just the L + R speakers) and it still shuts off when you turn the sound up past 66db max.
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