I bought this high end Polk surround sound system about 5 yrs ago and have my TV sound wired through the receiver. It worked great until about a month ago when suddenly the surround sound option essentially stopped working (I got almost no sound out of it) and I needed to switch the receiver option to ''stereo'' and it seemed to be OK until a couple of days ago when suddenly this screeching sound came out of all 5 speakers continuously even with the system off until I literally unplugged the sub-woofer. I've tried to plug it in several times and it continues to screech. I didn't purchase an extended warranty. Fry's (retailer) won't help me. I can't figure out what's wrong or where to take it to get it fixed. Help. Thanks!!!
I don't have the model name of this system with me right now. Accordingly, I just arbitrarily picked a Polk name for Product description which is incorrect so I can post this question. The system I bought was next to Bose the top end surround sound Polk system that includes a receiver, subwoofer, a DVD player and 5 speakers.
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it's a DS7200 Thanks!
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