I had a similar experience with a plain stereo receiver a few years back and this is how it was explained to me. When my power went out my receiver dropped into standby mode(just like the 1050 does), although the current it draws is small it stills draws a little power. When my power came on it there was a "power surge". Since the unit was drawing power the technican told me thats when it got "fried". He got it to run again but it was never right. That may be what happened to yours.