Question about Sony STR-DB940 Receiver

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Rear speakers not working

When doing a test tone, all speakers work except the 2 rear speakers.

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Re: 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.
    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

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I have had my Marantz Sr5000 for some time now and I just noticed the rear speakers have stopped working. Everything else seems to be working fine. When I run the test tone I get a tone from everything but...

First of all if you have not made any connection changes in the system prior to loosing the sound try these steps.
Go into the system menu and in speaker configuration see if somebody has given the rear ( surround ) speakers as none. If not just exchange the front and back speakers to confirm if its a speaker failure . If not you will need professional help to fix a damaged surround amplifier.

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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

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