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Sony STR-DG720 Receiver stopped producing sound upon changing the cable channel recently.

My Sony STR-DG720 Receiver has worked perfectly with all my devices for several years. Upon changing the cable channel recently, lost all sound thru the receiver. Have checked all power sources and cables, etc. and everything is still secure. Any suggestions?

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Posted on Jan 02, 2017

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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

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dragonsthatk
  • 547 Answers

SOURCE: No HDMI Output thru' receiver

you most likley blew a fuse . take it to a repair shop it you live in an area that has lot's of storm activitey you might want to look in to getting serg protection on your elect panel to save repairing other thing's in your home. thank you please rate mee

Posted on Feb 12, 2009

  • 1 Answer

SOURCE: Sound Just Stopped Working

I have the same problem with my 49txi, and I called pioneer and a repair shop as well. Both told me that the 49txi has a known problem with over heating and that its boards unsolder themselves. I would have thought Pioneer would stand behind something this expensive, but that was the old Pioneer in the 80s, and the new Pioneer says we are on our own.

Posted on Feb 02, 2010

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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

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