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Sony strd720 problem

I have a sony strdg720 that i just got bout 3 weeks ago brand new.problem is i get a high pitched whine from all 7 speakers regardless ofthe volume. i trouble shot it in any possible way.even took it upstairsto a diffent plug and it still does that. anyone got a solution or thesame problem? its not very loud but loud enough to be annoying at night. i have a strdg710 upstairs that has no problem.

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Try turning off any surround mode so all you have working is the 2 front speakers. If the soundgoes away, the problem is in the digital surround processing and you are hearing the results of digital noise. Since this unit is new, return it for an exchange indicating the problem. It should not be making this sound at all.

Dan

Posted on Feb 18, 2009

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Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Sony-STR-DB930-Receivers-manual/id/387bh934/t/2/

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Sony strdg720 problem


Try turning off any surround mode so all you have working is the 2 front speakers. If the soundgoes away, the problem is in the digital surround processing and you are hearing the results of digital noise. Since this unit is new, return it for an exchange indicating the problem. It should not be making this sound.

Dan

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Protect mode turns the reciever off at fairly modest volumes


I Had the same problem.

It occurs when you have a speaker wire touching something that it shouldnt and and you are grounding out the system. The system is going in to protect mode to keep itself from being damaged

In my case I found that I had a couple of frayed wires from one of my back speaker terminals touching the wire on the other terminal. This was all it took. I re-inserted the speaker wires on that one particular speaker and made sure they were not touching and problem solved.

JPT

Jan 07, 2009 | Sony STR-DE685 Receiver

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Sony receiver DA5ES. Unit start arc and shoot off.


Marko,

I own the same unit (since 2001) & have had no problems. I would get it looked at & see what the issue is & what it would cost to fix. Would it be worthwhile? Well you'd have to ask yourself how much $$ you'd be willing to spend on a replacement vs repairing this unit & based on how much you'd be willing to spend, would the specs on a replacement unit measure up. You'd have to ignore things like HDMI inputs to keep it apples to apples.

I've owned various Sony components for a long time. I only had to get one unit fixed one time (a CD player that my one year old decided to do a chin-up on :( ). The unit was 7 years old at the time and my son is now 12!!. the unit still functions flawlessly since being repaired. Sony builds their stuff to last, even after beiung abused.

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barneyluc

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