Question about Sony STR-DE945 Receiver

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Sony str-de945 s.1 rear speakers not working

All speakers work, except the rear spaeakers. Disconnected, reconnected, no luck

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  • 21 Answers

Rear speakers may only work once you have a 5.1 or DTS signal source connected

Posted on May 15, 2014

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Posted on Jan 02, 2017

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  • 231 Answers

SOURCE: rear speakers not working

  • Try this on your rceiver to see if it corrects your problem .If not make sure rear speakers are activated and properly connected
  • Sound Field Clear Mode
    The preset sound field is cleared when this mode is activated. Use
    this mode before returning the product to clients upon completion
    of repair.
    Procedure:
    1. While depressing the [MODE +] button, press the power `/1
    button to turn on the main power. The message S.F Initialize
    appears and initialization is performed.

Posted on Dec 05, 2007

SOURCE: rear speakers not working on STR-K740P

The only way your surround sound will work is if you have either the coaxial or fiber optic digital hookups attached to a PS3/Blueray/DVD/Cable box/Satellite box that have digital sound outputs. If you are just using the 1970's version of the red/white audio cables that is stero only.

Posted on Apr 11, 2008

marsrover
  • 682 Answers

SOURCE: STR--DG910: no rear speaker sound, no center speaker sound

if you confirmed all connection repeat your speaker setup.

Posted on Aug 02, 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: Speakers pop and rear speakers cut out of surround sound

Hi,
your problem is a bad solder connection of the relay linked to the lautspeaker sockets. I had the same problem and googled for the solution. Since I resoldered the pins everything is fine. That problem is well known and happens to a lot of Sony receivers.

I can send you a link with a detailed how-to-do solution with pictures, however it's written in german language. But you can use some online translators.

Here is the link: http://www.bmw-syndikat.de/bmwsyndikatforum/topic.asp?TOPIC_ID=28280&FORUM_ID=20&CAT_ID=9&Forum_Title=Geplaudere&Topic_Title=Problem+Sony+STR-DE445

Ralf (from Germany)

Posted on Feb 15, 2009

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When it is ON, press and hold the power button for about 4 seconds. It should then ask reset, clear or something and press enter. When its finished, try it again. If ok, reconnect speakers. If it happens with speakers, there is a problem. If it doesnt work and goes straight back to protect, then there is an internal fault (if i have the reset procedure correct)

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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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Rear speakers not working on STR-K740P


The only way your surround sound will work is if you have either the coaxial or fiber optic digital hookups attached to a PS3/Blueray/DVD/Cable box/Satellite box that have digital sound outputs. If you are just using the 1970's version of the red/white audio cables that is stero only.

Mar 02, 2008 | Sony STR-DE625

1 Answer

Rear speakers not working


  • Try this on your rceiver to see if it corrects your problem .If not make sure rear speakers are activated and properly connected
  • Sound Field Clear Mode
    The preset sound field is cleared when this mode is activated. Use
    this mode before returning the product to clients upon completion
    of repair.
    Procedure:
    1. While depressing the [MODE +] button, press the power `/1
    button to turn on the main power. The message S.F Initialize
    appears and initialization is performed.

Dec 05, 2007 | Sony STR-DB940 Receiver

1 Answer

Surrond Sound Rear spaeakers


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?

Jan 16, 2007 | Sony STR-DE475 Receiver

1 Answer

No output on main speakers


I have experienced a similar problem with my Sony STR-GX57ES and took it to a certified tech only to find it needed the power supply replaced. I opted to hunt down a compatible power supply but have been unsucessful thus far. That being said I picked up an STR-D665 for next to nothing and found the power supplies to be quite different (you would hope so any, with the ES meaning Elivated Standard and all) but with the D665 working flawlessly I'd rather have something working than nothing. Good luck!

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