Question about Denon AVR-1906 Receiver
HI, MY AMP TURNED OFF BY ITSELF.THE VOLUME WAS PRETTY HIGH AND THE AMP WAS PRETTY HOT.NOW WHEN I TURN IT ON IT TURNS OFF AGAIN AFTER ABOUT 2 SECONDS TO STANBY MODE WITH NO DISPLAY.
WHAT DO I DO ?
If your amp looks like it's going to work as normal (ie the front display lights up as it should etc), but then the amp goes into protection mode when the anti-thud circuit times out, then I know what's likely to be wrong.
It's one of the power amplifier channels which has gone faulty.
I just found this out after having this problem with my AVR-1906.
I took the amp apart and de-soldered the suspected channel power transistors (centre channel in my case).....and hey-presto! it fired up as normal (obviously the centre channel would be out of service).
I have ordered the replacement transistors from Farnell (UK) at a miserly cost of around £2-£3 each.
Just waiting for them to arrive.
An alternative is, if you don't use all your channels, take the transistors from a known working but not needed channel and swap them over with the duff ones.
Hope thats of use!
Posted on Aug 16, 2008
Units dc protect mode is probably activating due to Blown channel (shorted output transistors) I work for a Denon Authorized repair Center in Michigan If shipping to Michigan is economical let me know firstname.lastname@example.org
Posted on Feb 15, 2008
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Posted on Jan 02, 2017
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