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When I try to put on my sony MHC-DX50 appears "Protect push power" . What I may have to do?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: sony mhc-7av push power protect

Maybe the audio amplifier IC damaged and need to be replaced good luck

Posted on Feb 11, 2009

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  • 65 Answers

SOURCE: my sony mhc vx333 suddenly appear display protect

interior circuit problem yours have !

after sale service is good answer

Posted on Aug 03, 2009

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SOURCE: sony Mhc GS100 want power up

The unit is in protect mode because a problem was deteected in the final output stage of the amplifier. The pop in the speakers is a god indication that there is DC current in the output stage. This is not a good thing. This is a relatively common failure of all receivers and can easily be fixed by any shop that does audio repair. Expect a parts cost in teh $30-$40 range.

Dan

Posted on Aug 19, 2009

dunnbiker
  • 8546 Answers

SOURCE: my sony mhc-s9d goes to 'push system protect;

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as a root cause for intermittent shutdown.

Posted on May 18, 2011

  • 1 Answer

SOURCE: Every time I turn my Sony MHC-DX50 it keeps coming up with protect push power.. And nothing g works... How do I fix?

this was not able video and audio formats to get it to right now

Posted on Mar 18, 2015

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Hi!

This is what the manual says:

PROTECT"and "PUSH POWER" appear
alternately.

•A strong signal was input.
Press ?/1 to
turn off the power, leave the system
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•Check the speaker cables in case
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