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Sony mhc-rg22 reet everytim i press power on on sterio it comes on den comes up with push power protect it was workin before den it just went of i could smell like burning so i fink i must of fried something but dont know what can u help.iv had a look for fuse's can't see any.

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Your audio amplifier IC´s of your device are damaged

Posted on Aug 23, 2008

  • barryphil202 Feb 17, 2011

    I have experienced the same problem. I replaced the audio amplifier IC but the fault remains. R395 (680R 2W) was charged but still functioning- I replaced it anyway. I have been unable to source a service manual from anywhere. Do you have any other suggestions?

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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

My ststem is not workin wenever i switched it on d display shows PUSH POWER PROTECT


Generally speaking, an amp protects itself from heat, shorts and overloads 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 hands-on tech.

Feb 16, 2011 | Sony MHC-GX450 CD 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

3 Answers

Protect push power


audio amplifier IC fried need to be replaced

Jun 01, 2010 | Sony MHC-GX555 Mini Hi-Fi System Shelf...

1 Answer

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

Aug 19, 2009 | Sony Audio Players & Recorders

1 Answer

Sony mhc-dx5 power protect


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.

Jul 06, 2009 | Sony Audio Players & Recorders

1 Answer

Power Protect still comes on now and again


Amplifier output chip in stereo is defective and unit gives error message of push power protect.
You need to replace output amplifier IC and check supplied voltages.

Feb 28, 2009 | Sony MHC-RXD5 Shelf System

2 Answers

Protect push power


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

Dec 19, 2008 | Sony MHC-RG30T Shelf System

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