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Posted on Mar 13, 2014

My left rear speaker on my Sony Receiver STR-DE685 won't work

I have diagnosed and it is not the speaker. The issue is the receiver. No matter what speaker I hook up, it won't work. How can I fix this, what parts and tools would I need. Any help is greatly appreciated.

5 Related Answers

Anonymous

  • 9 Answers
  • Posted on Mar 21, 2008

SOURCE: Sony STR-DE635 Receiver-no sound at all

Turn your volume down,press the tape monitor button.then turn up?

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Anonymous

  • Posted on Apr 11, 2008

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.

Anonymous

  • 2 Answers
  • Posted on Feb 10, 2009

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

ginko

Ginko

  • 19396 Answers
  • Posted on May 29, 2009

SOURCE: Sony STR-D665

Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

Anonymous

  • 863 Answers
  • Posted on Nov 01, 2009

SOURCE: Sound only some out of 2 speakers at a time. I need all 4.

Here you go buddy:
http://www.docs.sony.com/release/STRDE685.pdf

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Output

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