Question about Sony STR-DE545 Receiver

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The Output Volume Is Extremely Low!

The receiver used to be extremely loud at like half way or less and now its extremely quiet out of nowhere.  I can turn it up all the way and still not as loud as it used to be.  It gets louder but still very quiet.  What could be the problem? 

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  • juicestain Feb 07, 2008

    I am using JBL HLS610 speakers and they are the same speakers i have been using.  How do you know if you speakers are hooked up in 2nd Zone?  I dont see a 2nd Zone.  Also how do you change the volume in the menu screen?  Thanks!

  • juicestain Feb 17, 2008

    Ok!  I have tried the things you have said.  I greatly appreciate you helping me but the problem still there.  I did some more research and could the problem be the Output Transformer?  Please let me know and also im not a tech at all but i do have equipment to test it.  How would i test to see if it is the output transformer?  Let me know.

    Thanks Again!!

  • rally2 Mar 22, 2009

    I have the same problem. I found that if I use A.F.D. mode with a digital input everything works great. If I try and use any of the surround modes only the center has any volume. On 2CH I have to max it out to hear anything.

  • Jay Henderson
    Jay Henderson May 11, 2010

    What kind of speakers are hooked up? Also are they the same ones u were using? Also make sure you don't have speakers hooked to 2nd Zone and the volume is turned down there in the menu... Let me know. Cheers... GURU JAY



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Sometimes the rear channels can be used as a 2nd zone. Does the unit have A&B speaker selection on front panel? Usually if it has a 2nd zone it will say in owerns manual or on back of unit or on front panel as well. That is when you have the option to adjust the volume in the menu on the 2nd zone. GURU JAY

Posted on Feb 07, 2008

  • Jay Henderson
    Jay Henderson Feb 18, 2008

    I doubt that all channels would be at a lowered level if one or two of the transistors were bad. Usually if a transistor is bad, it would be shorted to ground and give u a protect indication on the front panel. Usually,but not always!! Also the easiest check to do is to make sure you don't have the "TAPE 2 MONITOR" button activated or on. This would cause what you describe as well. If that isn't it try using DVM...(Digital Volt Meter) and check output transistors using the diode test and see if any of the outputs are shorted or bad. Simply check between ground (Black) and (Red) of the speaker output terminals located on the back. IF ANY OF THEM READ SHORTED ON DIODE TEST THAN you most likely have a bad transistor inside unit. Let me know how these test pan out and then we can proceed from there...Good luck on your tests and don't hesitate to ask as many questions as you need to to resolve your issue.. Also don't forget to give feed back as this is how i keep my ratings up and my ranking position. Cheers and good luck....GURU JAY



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