Question about Onkyo TX-DS747

1 Answer

Speaker switching problem

Basically mt reciever is switching between A & B speakers like a little kid is playing with the buttons with or without speakers connected, it will turn on "A", turn it off, turn on "B" turn it off and continue thusly until I get frustrated and turn the machine off sound does come out of the speakers for the second their side is on, but otherwise it is the repeated clicking of speaker switching I have a service manual, but am not about to poke around something I cannot see, and for some reason I cannot locate the source

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  • Anonymous Aug 06, 2008

    I have the exact same problem with mine. I have no idea why it's doing it.

  • ed56757 Nov 17, 2008

    I have the same problem. My onkyo has been doing that for a few years. It will click on and off for a few minutes until the unit is "warmed up" after five minutes it works fine. When the sound cuts out if I press the A button the speakers will work, but then they cut back out. Sometimes the sound stays on somtimes I have to get up after a few minutes and press A. It's annoying and I'm tempted to just leave it on, but I'd rather get it fixed.

  • EDD COX
    EDD COX Dec 09, 2008

    Hello FixYa Experts,
    I have an A&B speaker switching problem with my Onkyo TX-DS747.
    It jumps back and forth between the A & B setting. As I have it set to the
    A setting there is no audio until it jumps back.
    The amp is clean and A & B buttons are clean and have positive positions when pushed.
    The amp will keep the A setting once it is warmed up but as time goes on it is taking longer to lock onto the A setting.
    There are other posts with the same problem on FixYa so I will add my post to the list and see if the experts can find a Fix.
    Thanks much, Edd


  • bkrengineer Dec 10, 2008

    I own a TX-DS747 and my unit seems to be having trouble energizing the speaker relay when it is turned on. My solution has been to keep it on (not very green) however after about 6months of keeping it on it finally started clicking on and off again even after it was warmed up.

  • agoodwin Dec 28, 2008

    exact same problem, has been like that for a number of years and am loathed to pay to get it fixed.

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  • 58 Answers

What the type of switch you have there? its like a push button or a soft button? Often you have a contact switch problem on your unit. I f can access the switch contact and clean it that maybe can help on your problem.

Posted on Aug 04, 2007

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Posted on Jan 02, 2017

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