Question about Sony LBT-W900AV Shelf System

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System won't let me play anything

Power is coming through the system, however once on, it says "Push Power Protect". I have tried to reset the system but this does not help. Everything lights up but it just won't let me do anything else. Cd changer moves and it sounds although cd is being read but still nothing happens. If anyone can shed some light on a resolve for this, it would be very much appreciated. Thanks

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Re: System won't let me play anything

You need to replace the audio amplifier IC because are damaged

Posted on Jun 26, 2009

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Hello.. I have Sony MHCEX500 MINI HIFI Component system. There is a problem of PUSH POWER PROTECT. How can I fix it..????

The "PROTECT" and "PUSH POWER" messages will flash alternately when the protective device of the amplifier has been activated because a strong signal was input, or if there is a short-circuit detected. Press the POWER button on the unit to turn off the system, and check the following items after "STANDBY" disappears.

1) Are the + and - speaker cords short-circuited?
2) Are you using only the specified speakers?.
3) Is anything blocking the ventilation holes of the system?

Apr 12, 2016 | Sony Audio Shelf Systems

1 Answer

Push power protect

Most likely you shorted out the amp ic. This will need to be replaced before the unit can be used again.

Jan 06, 2013 | Audio Shelf Systems

1 Answer

While playing my unit we had a brief power outage. When the power supply returned the " PROTECT PUSH POWER " message comes on. Is there a button that I can push to reset my unit-LBT-X50 .

Your sound system may have a circuit breaker.
Check the rear of the sound system for a circuit breaker that has popped out, Then push it back in.
It may be labelled.
  • circuit breaker
  • protect push power
Otherwise unplug your unit from the wall and wait 5min before you plug it back in, then press the power button on the front of your system and your remote control.

I hope this helps


Jul 13, 2011 | Sony LBT-LX50 CD Shelf System

2 Answers


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

What is "Press Power Protect"?

Hi Lois,
Stereo sytems have a protection circuit that alerts you by displaying "protect" when there is a electrical short circuit detected in the system, the most common short happens in a speaker, try disconnectig the speaker wires of both speakers(all speakers) at the back of the system, then play the CD or cassette player(although you will not hear anything with the speakers disconnected) and see if the unit goes into "protect" mode if the problem is still present then you have an internal short circuit and the system will need to be sent in for service or replaced(depending on age,repair costs). I would not recommend investing more than $80 into repairs. Now, if the unit does not go into "protect mode" then one of the speakers or speaker wires is shorted,be sure you check the conndition of the speaker wires before you replace the speakers, then you can replace the speakers(in a pair) and you should be back up and listening! Good luck and Merry Christmas !

Dec 03, 2009 | Sony MHC-NX1 Shelf System

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

1 Answer

Protect push power

hi, everytime i switch on my sony hi fi it the display screen says protect push power. It won't let me do anything not even put cd's in. If you could help that would be very much appreciated.

Jun 12, 2008 | Sony LBT-XGR6 CD Shelf System

5 Answers


My Sony audio set keeps saying push power protect and the set freezes what should i do? Please help me solve this problem.

Apr 20, 2008 | Sony LBT-XGR6 CD Shelf System

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