Question about Sony MHC-NX3AV Shelf System

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I cant turn volume up all the way on my Sony MHC NX 3av

My mhc nx3 av wont let me turn the volume past 20 without it saying push power protect. Dont know how to sort it anyone shed a little light on the subject?

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Make sure your cables are not touching each other, and/ or that they have been inserted into the right terminals on the speakers. This should rectify the problem.

Posted on Aug 07, 2009

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Check the speakers maybe one are damaged

Posted on Feb 11, 2009

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Sir my MHC-RV900D is disply shows push power protection again and again.plz solve my problem. thank u


There is most likely a short in the amplifier that will need to be repaired before the unit will power on normally.

Mar 12, 2013 | Sony MHC-GX40 CD Shelf System

1 Answer

How To Remove Push Power Protect To My Sony mhc-dp1000d?


You can't. There is a short in the amp that needs to be repaired before the unit will power on normally.

Mar 07, 2013 | Sony MHC-DP1000D System

1 Answer

Sir my sony stereo system showing "protect push power" how i troubleshoot the problem please replay fast


Protect Push Power on a Sony is telling you that you have an output short circuit and to turn off the player to prevent further damage.
Check the speaker cables for connection fault. If all is OK it means you have a blown STK Amplifier Chip. Will cost you about 20$ plus labor.

Apr 30, 2011 | Sony MHC-NX3AV Shelf System

2 Answers

HI I HAVE SONY MHC-RV900D WHEN I SWITCH IT ON IT SHOWS PROTECT PUSH POWER. HOW CAN I PLAY MY SYSTEM AGAIN.??


Welcome to FixYa
Do Following...
  • Turn off the System-Turn it off for a while
  • Then turn it back on.
  • Still Problem, Turn Off system and Check the Speaker Code
  • RESET the system .
  • Remove all the connections, leave it for 24hours and then connect it up again
To Reset
  • Unplug Power Code
  • Plug it back again
  • Press Stop , Enter and Power button at Same time
  • Press Power Button to Turn on it
For more Here is the Guide for your Product Click here
Still have Problem The protective device on the amplifier has been activated because of short circuit. (“PROTECT” and “PUSH POWER” flash alternately.) Turn off the unit, eliminate the short-circuit problem and turn on the power again.

Hope you Got a Conclusion..Thanks for Contacting FixYa...

Jun 15, 2010 | Sony MHC-GX40 CD Shelf System

1 Answer

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After installing the cd display shows the Push Power in the model of MHC-RV5

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something inside the unit has become faulty electronically, otherwise if u have moved the unit with cds inside, they may be out of allignment and causing the unit to go into protect.

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Protect push power


you have wires touching. did you drop anything in your radio? water, medal's?? etc..

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1 Answer

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The audio amplifier IC is damaged and need to be replaced

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