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I have a denon AVR-2105 when i switch it on using the On/Standby button which flashes RED it immediatly turns to a green flashing light and the system ignites only to be killed seconds later and the RED button flashes standby again, i have never had it working before as it was a recent gift. is it a common problem or maybe needs a new switch, somebody else suggested a over heating problem but its not on for very long before it switches itself off anyideas? Thanks Bex thebexmarshall@yahoo.co.uk

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  • Damo2 Mar 29, 2008

    I've got exactly the same problem with my AVR-2105...as do a lot of people when you search the internet. Even if all cables (exept powercable) are disconected the problem still occurs.



    A big thanks in advance for anyone who has the solution!



    david.mous@pandora.be

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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

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