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Amp keeps shutting down - Audio Players & Recorders

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  • freya39200 May 12, 2008

    I know this thing is switchng into protection mode but dont know how to solve the problem

  • freya39200 May 12, 2008

    nope is shut down with all speakers unhooked

  • freya39200 May 12, 2008

    this is an onkyo ht-530 7-1 surround sound. The thing keeps going to standby but will finally switch on if I keep cycling switch

  • freya39200 May 12, 2008

    Is an onkyo 530. switches into standby whenever I try to power it up

  • freya39200 May 12, 2008

    have alredy done this keeps doing it I just dont know how to fix the problem

  • freya39200 May 12, 2008

    have an onkyo ht 530 amp that switches into standby when I power it up. It will eventually come on if I switch it on and off a few times

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5 Answers

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Some components inside the amp are failing and need to be replaced. Contact a professional service center to get it repaired.

Posted on May 12, 2008

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  • Master
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Lets try this , disconnect all speakers from the amp and turn it on , if it still shutting down , then you need to check , the voltage regulator IC , check the output ICs , the could be shorted , hope this helpful AJ

Posted on May 12, 2008

  • ALBERT GARCIA
    ALBERT GARCIA May 12, 2008

    then the UNIT needs to be serviced , I suggest to take the amp to an authorized ONKYO dealer repair shop. AJ

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Look if overheated.

Posted on May 12, 2008

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos May 12, 2008
  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos May 12, 2008

    It's power supply may me faulty.If you are not familiar whith electronic repairs better take it to an authorized service station to checkit.

    Otherwise remove cover and inspect all components at power supply board area. Pay attention at electrolytic capacitors over 100 V and if you can replace them with new of same value .

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  • Master
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What is the make and model of the amp in question?

A shorted speaker may be causing this. Check them out and get back to me. thanks

Posted on May 12, 2008

  • Benjamin Patri
    Benjamin Patri May 12, 2008



    1. Disconnect everything (from the back of the receiver) including the
    power cord. Let it remain disconnected for at least 30 minutes. This
    is what we call a hard reset. It will recover any software corruptions.



    2. Then plug in the power cord and connection only one speaker. They try powering it up again.



    3. If it powers up, now, add one speaker at at time. Turn power off
    while you are connecting the speaker wires. (If you accidently short
    the wires together while the set is ON it can do damage).



    4. If the reciever did NOT come on after the reset you will need
    service. It probably has an activated protection circuit that has
    turned the set OFF. This is most often the result of shorted down
    output transistors - but can be from other causes as well. The most
    often causes for shorted output transistors is playing it too loud for
    a long period of time or shorted conditions in the speaker wiring.



    5. If the receiver has a blown audio power amp you will need a
    technician to repair it; you should not attempt it by yourself. At
    least not on an Onkyo.



    6. To replace a set of outputs on one amplifier will cost you around $50 to $100 depending on what has failed.



    Let me know if you need further help.

  • Benjamin Patri
    Benjamin Patri May 19, 2008

    were you able to ever get this fixed?

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  • Master
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Can you give more details, please? Make and model, when its shutting down, etc..

Posted on May 12, 2008

  • Swilin Sampson
    Swilin Sampson May 12, 2008

    Hello freya39200,

    This is the typical indication of a circuit failure in the unit. Could be a problem with the adjustable turn-off delay and a phase switch. If
    you are using the remote control to turn on the unit, be sure its
    batteries are good. If that does not help or the same thing happens
    when you use the power button on the unit, there is something certainly
    wrong. You may want to look for a shorted wire to a speaker, but that
    is about all you can do.


    It is probably worth sending in to
    Onkyo for repairs or going to one of their service centers. I suggest
    that you contact Onkyo (www.onkyousa.com) and ask them for assistance.



    Sorry I can not suggest any more specific fix for the problem, but
    there can be any number of failures that can cause this problem. Only a
    shop and technician with the tech data can find the problem and cure it.

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