Question about Sony STR-DE597 Receiver

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Sony STR-DE597 6.1 Channels

Have had my system for 3 years now and all of a sudden my right front speaker is playing at a really low volume than the other 3 speakers - I have ensure the wires are correctly and securely placed, I have also swapped speakers and its not the speaker its a system problem. Any suggestions, need new transistors ?

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Repair time ...circuit board to front channel has a fuse prob or capacitor

Posted on Nov 21, 2008

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Low sound output from Front Speakers


The out put transisters are probally fried for the front channels,

Nov 27, 2012 | Sony STR-DE695 Digital Audio/Video Control...

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Speaker Imedance Matching - Sony STR DE 997 receiver with 120Watts - 8 ohms output with Benz 6 ohms..Tower Speakers


hi pawanh75,

thanks in advance for a very informative setup that you have.

Here are some of possible mods , only if you like and can DIY

( or have someone to help you )


• Using a 6 ohms impedance for an 8 ohm impedance amp clearly

denotes that it heats up the output stages.

(please forgive my very technical words)


• One way to lessen the heat is to install a blower .

Use a 220V blower on top of the receiver.

( air should be in going up direction ).


• Before I proceed further please indicate if having the speaker

connected and having a zero volume , and just letting the receiver

in an "On" state deliverately produce heat on the receiver, or just

when the volume is at medium to high level.


If it s running hot at zero level with speaker , please post.

If it is running hot even without speaker, post also


• It may also helps , if you have a powered subwoofer ( for the low's),

and set settings on your receiver to "small"


Let me know what you find to help you further.





Sep 11, 2012 | Sony STR-DE997 7.1 Channels Receiver

1 Answer

Hi I purchased a sony av amplifier model STR-DB930 on e-bay a few months ago and I am using 3 ohm speakers from my old surround sound system. The output selector on the back of the unit is set to 4 ohms....


The lower number in Impedance specs is not a suggestion. It's a limit. 3 is not between 4 and 8.

Register and download the manual for free at retrevo.com

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

If you don't want to buy new speakers, settle for safer low volume levels.

You're going to kill that receiver driving a 3-ohm load. HTS-style speakers aren't reliably re-deployable to other electronics. Perhaps, if you have 4 speakers and they're similar you could wire them in SERIES and present a 6-ohm load to each channel.

Re-engineering the speakers themselves is, well, don't do it. It isn't rocket science but it also isn

Feb 28, 2011 | Sony STR-DB930 Receiver

1 Answer

Volume through speakers is very low - even if I turn up to max volume


check that all the speaker are connected right. some systems won't work right in 6.1 if its not connected right. (please rate me if this helps Thank you)

Dec 22, 2010 | Sony STR-DE695 Receiver

1 Answer

Volume really low, even when turned right up


So the speakers and the individual amp channels work so that lets out the obvious big hardware items.

This is starting to sound like an obscure setting was set or changed by mistake.

It would be nice to figure out what that is/was in case it happens again but you may eventually have to resort to resetting the receiver to factory defaults and start over by holding the1/0 button for 5 seconds.

Mar 04, 2010 | Sony STR-DE875 Receiver

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Sony STR-DE635, Sound from left surround speaker but not right


first turn the actual volume up on that channel on the reciver then make sure your speaker wires in the rear are using the same lenght each

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I have low volume on two channels of my STR DE975 receiver


I been replied you in chat thread, please check and feel free to ask any question.

Aug 20, 2008 | Sony STR-DE975 Receiver

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One speaker is lower volume than others - right front


I think that maybe you setted the distance of the speakers wrong. Check your users manual and try to adjust the distance.

Nov 17, 2007 | Sony STR-DE597 Receiver

1 Answer

Both left and right speakers play audio for right speaker


I think you mean the left channel is out but when you use test tone, the sound comes from left and right channels through the right channel speaker. If this is case, the switching IC is malfuncting. Unit needs service

Mar 15, 2007 | Sony STR-DE545 Receiver

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Front speaker channel cut off


I lean toward an overhating condition since the unit does not go into protection mode right away, and then returns.

My thoughts are as follows...

1) The receiver needs better ventilation

2) The speakers are below the rated minimum nominal impedance, causing the amplifier to strain and overheat

3) There is a problem within the amplifier that is causing this problem - this is not user repairable.

I'd try another pair of speakers which are rated at 8 ohm nominal impedance and give it a trial. At the same time, monitor the heat output from the unit (note that modern amplifier sections do run hot). If the unit runs extremely hot at a low volume and still shuts down on 8 ohm speakers, it's time for service or replacement depending on value.

Oct 30, 2006 | Sony STR-DB940 Receiver

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