Question about Sony STR-DE475 Receiver

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

I have a Sony STR-DE475 receiver and recently I noticed no sound from the rear speakers and no sound using the test tone. I have fiddled with settings, checked speaker cables.
It "feels" like the surround function has decided to just stop working, surely this cant be the case and their is a logical solution. help help help!!!

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  • simzy2000 Jan 28, 2009

    I'm having a similar problem. My surround speakers aren't producing any sound, and the blue digital light does not light up when watching a movie.



    I've tried both coaxial and optical cables for the connection between the receiver and dvd player, but doesn't seem to make any difference. To me It definitely seems like a problem with the setup, but I too have tried to change settings and have no idea what the problem is.



    When I push the "SURR" button on the receiver the display shows "NOT USED," so it seems to me that the receiver isn't recognizing the surround speakers for some reason. Any help would be appreciated. Thanks

  • mwdickson
    mwdickson Jun 05, 2012

    Hi i know it is 3 years later but i have the same problem - have reset to default and and and but still no test tone on rears and they definitely work - did you ever resolve this?

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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

  • jacquesjulie
    jacquesjulie Dec 18, 2012

    This solution solves nothing but thanks anyway

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I'm going to surround sound mode, and my rear speakers are not working. I do a tone test, and they def work, but I can't get them working right?


Since you seem to be having problems with 'simulated' surround, how does ACTUAL surround material behave?

Have you tried AFD with certifiable multichannel source material to verify the surround speakers receive programmed sound??

Do the Dolby Digital or Pro Logic indicators light?

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Thanks for all the info. It appears that the Receiver requires service as there is no test tone also. However, please clean the speaker cables and speaker jacks and reconnect. Also, try the steps mentioned in the link below.
http://www.kb.sony.com/selfservice/microsites/search.do?cmd=displayKC&externalId=C216020&fes=true&mdl=STRDE475

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


That didnt help rsgardener! Maybe some other tips please?

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yeh i get the same problem.. i have 5 speakers hooked up to my str- de475 and cannot get sound from my sl/sr speakers its a nightmare aint it? why is there no soloutions on the net for?

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