Question about Sony STR-DE685 Receiver

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Muffled sound from Sony DE-685

A few days ago my surround system began sounding muffled. I haven't made any changes to anything. The muffling on some TV channels are worse than others. I called Comcast and they even swapped my box and still have problem. I also noticed that my blu-ray is also muffled which indicates to me it's the receiver. I checked all cables and nothing is frayed or shorting. I also rest the fctory settings just to be sure and still no solution. I guess my receiver has finally called it quits, but I wanted to send this out for an opinion.

Thanks,

Joe...

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Paeroa
  • 457 Answers

SOURCE: my tv speakers are muffled

The speakers sound all good because you said "the speakers" are muffled .....it sounds like a problem on the board.....a capacitor a resister but its fixable....unfortunately only by a repairman

Posted on Sep 04, 2007

  • 36 Answers

SOURCE: NO SURROUND SOUND WHEN PLAYING BLU-RAY

Your amplifier should "downgrade" the signal to 5.1, even if the disc isn't using it. It is most likely a setting on your amp that may need adjusting for "types" of digital to accept on its input. If you can, set your optical input on your amp to "auto". This way it will automatically detect and switch for the proper incoming audio feed

Posted on Jan 03, 2008

  • 6 Answers

SOURCE: muffled sound

I think it might be a driver or a codec missing. Eeeh... do you hear the same thing while listening to music? If you don't it is definitely a software issue! From here I would try reinstalling the software, or get the most updated version of the software (I'm assuming you're using Windows Media Player). Let me know if you're using a specific software.

Posted on May 08, 2008

  • 2 Answers

SOURCE: No sound from rear speakers during test tone usng Sony STR-DE475

I had this problem last night.

To solve it, you can reset the amp by:

1) Put the receiver on stand-by
2) Hold down "MODE" button and press on button
3) "S.F. CLR" appears in the display and surround is back on.


Good luck

Dr Gardner

Posted on Feb 10, 2009

  • 1 Answer

SOURCE: no sound from Sony STR-DH500 when playing dvds with HDMI

no sound via hdmi cables, you must use optical or coaxial

Posted on Dec 18, 2009

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