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paula mugford Posted on Aug 15, 2014
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Why does my pioneer stereo say POWEROFF and not turn on

When I try to turn my stereo on it lights up for 5 secs then puts POWEROFF on the screen and turns off. Any ideas what is wrong no one else seems to be able to tell me.

1 Answer

Sam

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  • Master 3,247 Answers
  • Posted on Aug 16, 2014
Sam
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Most likely it is going into a safe mode as one of the speaker connections might be creating a short in the audio amplifier. Check speaker terminals connections. The model number of the unit would be helpful to know.

  • 3 more comments 
  • paula mugford
    paula mugford Aug 27, 2014

    Thanks the model of this unit is 120wx5 Ihave tried to disconect all speakers to see if these are the problem but

  • paula mugford
    paula mugford Aug 27, 2014

    Still the same problem

  • Sam Aug 27, 2014

    I think your unit is VXS-D512. The characters you provided in your comment is only a part of the model saying it has 5 120Watt speakers. Please remove all speaker connections and turn on the unit. Check if it still powers off. Also check if any messages pop up on the display before it shuts off.

  • paula mugford
    paula mugford Aug 27, 2014

    Sorry I read the wrong number. you are correct it is a VSX-D510. I have removed all speaker connections and the message still pops up and then in shuts off.

  • Sam Aug 27, 2014

    Not a problem. For your model there are two checks that take place at power on - a DC power check and Speaker Overload check. If either or both of this fail the power on sequence aborts. We need to reconfirm if the cause is the speaker or the DC power. You have taken off the speaker but problem is there so I suspect DC power supply malfunction. This is the supply to the electronics in the system. But to reconfirm you need to isolate the speaker circuit totally. This can be done by inserting a headphone into the headphone jack. Please check if that makes a difference. In any case you will have to visit a technician to fix the DC power problem or speaker circuit problem. By the way what is the message that pops up.

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5 Related Answers

Anonymous

  • 93 Answers
  • Posted on Oct 11, 2007

SOURCE: vsx-d506s problem

It may be a PROTECT MODE. Check is your other equipment properly connected to receiver.

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Anonymous

  • 271 Answers
  • Posted on May 26, 2008

SOURCE: POWER OFF/ SHUTDOWN

Hi,,,thanks for your good response...Understnding a 7.i surround system through chat is difficult...that ws why i couldnt get it right...if i was there at your place i would have solve that it in seconds...anyway you got it done by yourself thats what we wanted...thanks again

The witch

Francisco Mauricio G

  • 1551 Answers
  • Posted on Jun 12, 2008

SOURCE: VSX-D308

Maybe the audio amplifier IC is damaged and you gotta change it.Good luck.

Anonymous

  • 1 Answer
  • Posted on Aug 07, 2008

SOURCE: POWER OFF/ SHUTDOWN

I found the solution for me! I had the problem where after 1-5 seconds, my receiver would simply shut down. Twice now I've solved it.

The problem is most likely that you have speaker wire that is touching the opposite terminal or coming close to doing so. Check all your speaker wire terminals and make sure that they are not touching at all or coming close.

Also, make sure that your speaker wires are truly in speakers. If you have speakers plugged into the back of your receiver and then sitting out on the other end, that could be the problem as well.

I hope that helps - it solved it for me!

The witch

Francisco Mauricio G

  • 1551 Answers
  • Posted on Jun 29, 2009

SOURCE: Shuts down after 30 seconds

Maybe the audio amplifier IC are burned

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