Question about Denon Audio Players & Recorders
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?
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
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
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
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