Question about Denon AVR-2105 Receiver
My denon died three times with the same fault.
Playing music at moderately high volumes then the amp would shut down and never start again, just displayed the red flashing power light.
First time was with 5.1 engaged and playing music, second time with only 2 speakers connected, also playing music.
Speakers are aaron AST4's at 160w with 93db sensitivity.
First time the amp was "repaired" under warranty then a short time later it blew again (still under warranty) exactly the same problem.
This was then "fixed" again. Soon after the alleged "repairs" and just out of warranty the amp blew again.
The denon Australia service dept are now refusing to fix it out of warranty and I'm out of pocket $1200 (original price) and was told I need to pay for the same recurring problem to be fixed.
What would you do if this had happened to you?
I have had this same problem. What is going on? Mine has blown twice, now out of waranty. What am I going to do?
I will never buy Denon again. ****!
Posted on Jul 22, 2008
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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