Question about Denon AVR-2500 Receiver

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My protection light keeps turning on when my speakers try to start up

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  • tmharry501 Dec 03, 2008

    my protection light remains on and basically the receiver is useless until i can remove the protction mode.

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What are IC's?

Posted on Jun 24, 2008

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  • Denon Master
  • 1,550 Answers

Your audio amplifiers IC's are damaged you gotta send your device to a repair center.Good luck.

Posted on Jun 02, 2008

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1 Answer

S-protection


This means that there is a short detected on one of the amp outputs. Try disconnecting the speakers from the back of the unit and power on. If fault still persists then likely you have a bad output ic or FET (transistor). If fault goes away after removing speakers then plug them in one by one to see which is the culprit.

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I had a problem with the speakers not working properly. The green lights lit, but the amount of sound coming from the speakers compared to that of the sub was much lower.
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