Question about Sony Multi-System Mini Hifi Systems / DVD Shelf System

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Sony hcd-xb500 protect push power, turn on the hifi and the previous message shows up. is there any way of fixing this?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: my sony mini hi-fi component model HCD-RV7, stereo wont come out

how can i remove push power protect

Posted on Oct 03, 2009

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  • 436 Answers

SOURCE: HCD-XG500 it says push power protect

Power protect tends to mean the main power amp chip has "blown" and needs to be replaced. It only costs about 20 dollars (10GBP). If you are handy with a soldering iron it is easy to do (after you get the thing to bits !) It is the big black thing on the big heatsink inside. The Sony part number is STK442 - 130. Seems a waste to throw the whole thing away for the sake of 10 pounds !. Hope this helps. Nik Howell (nh@totalise.co.uk)

Posted on Jun 16, 2007

nuwan chinth
  • 111 Answers

SOURCE: pushed power protect

speaker protection turned on.it can be happend because of bad power amlifire section.can you remoove the powe ramp board with large heatsink.its very easy to repair.and i can help.
nuwan

Posted on Jan 12, 2009

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

  • 1 Answer

SOURCE: sony midi Hifi switching itself off

These digital amps are very prone to blow if the speaker wires are shorted so Sony appear to have put in a protection system that mutes the amp when this happens. You have to unplug the amp for a minute till the light goes off, make sure no speaker wires are touching each other and then it should work ok. I found the same problem with one I bought 2nd hand.

Posted on Apr 25, 2010

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2 Answers

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?

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I believe I already answered this.

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A protect message on a sony usually means there is an amplifier problem.

Jul 19, 2013 | Audio Players & Recorders

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When ANY amplified product goes straight to protect mode there are either a wire touching or the copper coil in one or more of the speakers is burnt od over extended its limit

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Sony LBT W5000


According to Page 46 of the LBT-W5000 Operating Instructions:
"The display stars flashing as soon as you plug in the power cord even though you haven't turned on the system (demonstration mode).
Press DISPLAY (for LBT-W5000 / W300 / XB700 / XB500) or DEMO (STANDBY) (for other models) while the system is off. If the system is in the Power Saving mode, press POWER SAVE / DEMO (STANDBY) (for LBT-W5000 / W300 / XB700 / XB500). The demonstration appears automatically the first time you plug in the power cord, or if there is a power outage lasting longer than half a day."
I tested this today, as my LBT-W5000 was in Demonstration Mode. It definitely works. The only catch is (at least on the W5000), and it's a minor one, you have to reset your clock afterwards.

May 29, 2009 | Sony LBT-W5000 Shelf System

1 Answer

Pushed power protect


speaker protection turned on.it can be happend because of bad power amlifire section.can you remoove the powe ramp board with large heatsink.its very easy to repair.and i can help.
nuwan

Jan 09, 2009 | Sony Multi-System Mini Hifi Systems / DVD...

1 Answer

Push power protect comes on with my sony mini hifi hcd 2x30av


The audio amplifier IC are damaged you need to replace him

Aug 20, 2008 | Audio Players & Recorders

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