Question about Denon Audio Players & Recorders

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Denon 1909 flashing red ring after 20 minutes

I got a Denon AVR-1909 and it is turning off with a 0.5 seconds flashing red ring after playing 20 minutes of Music or watching a movie. So far i tried to disconnect all speakers, and the same thing happens. i did the same thing with opened cover, it runs for hours. I Positioned a fan to the hottest part of it (power supply) and closed the cover again, but it also turns off at about 20 minutes. How can i find the defective part?

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  • Denon Master
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Well on most models red ring singals :

1 ) speaker wires touching something they should not
2 ) internal overheating, shutting down to protect
3 ) something is wrong, bring in for service.

I'm guessing it's out of warranty?

Posted on May 11, 2014

Testimonial: "This is happening also without any speaker connected to it, so the first thing is probably reasoning, but not my problem. Internal overheating is very probable, but how can i check which part is overheating? i tried to measure, the hottest things are the contant voltage IC's of the epower supply, could the power supply be the problem? What does it cost to fix such a problem?"

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Posted on Jan 02, 2017

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SOURCE: Sound keeps turning off

We had the same problem, we unplugged and re-plugged in the Bose unit and the sound problem stopped!

Posted on Oct 15, 2007

  • 2 Answers

SOURCE: panasonic sa-ht700

Usually problems that start "out of the blue" after being powered-up for hours, caused by heat building up are due to things inside getting hotter and hotter until they fail. Unless something actually burns up, this is a reversible problem. Shut it down to allow it to cool off, and it works again. I own a SA-HT700. After 24 hours or so of being powered-on. it starts making a loud rumbling noise. Turning it off for 20 minutes fixes the problem. There's a fan on the back of the unit. It does not work. The heat sinks inside my unit are not covered with dust - suggesting the fan has never worked. I rigged an external DC supply to the 12V fan, so now the fan runs all the time. I am waiting to see if this fixes the problem.

Posted on Nov 20, 2008

  • 5 Answers

SOURCE: dvd problems

The issue might be that you have to send the LHT854 Back to the manufacturers and have the playback feature replaced. The playback feature is controlled by a device that is internal and very important to the overall function of the unit.

Posted on Mar 31, 2009

  • 1 Answer

SOURCE: Need Help

i want my panasonic sa-pt770 speakers to work while i'm just watching t.v. and not a movie. can it be done?

Posted on Dec 02, 2009

  • 1 Answer

SOURCE: The music center does not communicate with the

i have the same problem did you find out why

Posted on Apr 01, 2010

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