Question about Sony MHC-GS300AV CD Shelf System

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Push power protect

How do i get it off that

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  • Anonymous Mar 04, 2009

    how do i remove "push power protect"

  • jannykay Mar 12, 2009

    We have a Sony MHC-GS-300AV and had the same problem. The system has reset itself, but now one of the speaker jacks doesn't work. After looking at it, we have found that only 1 speaker jack works, the others only have power in the "bottom" part of where you put the wires, but no power in the "top" part. If we need a new part, can you tell me the part number?

    Thanks.


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  • Sony Master
  • 1,550 Answers

The audio amplifier IC are fried and need to be replaced

Posted on Feb 11, 2009

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1 Answer

My Sony home theater DZ290K had a push power protection on the display screen 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?

You may also refer to the following link for additional troubleshooting steps.
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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?

You may also refer to the following link for additional troubleshooting steps.

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