Question about Denon Audio Players & Recorders
Wont stay on keeps shuting down when i turn it up
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Posted on Jan 02, 2017
SOURCE: Denon AVR-1508
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
SOURCE: Denon AVR 1804 Switch on and
try to reset it
To re-set the 2802, just do as follows:
1. Switch off at unit's main power switch.
2. Hold A & B buttons and turn power back on.
3. Check entire display is flashing at approx. 1 second intervals, release the 2 buttons, microprocessor is now initialized.
Hope this helps.
Posted on Sep 03, 2008
Disconnect all speaker wires on back and then turn on. If it happens again, it's most likely a power supply problem. If it doesn't happen again, it was probably crossed speaker wires.
Posted on Dec 28, 2009
Did you try to reset the unit? Resetting the unit has fixed every problem I have ever had......turn off unit.....hold down A+B at the same time then turn the unit back on...hold buttons for roughly 3 seconds....Let me know if it works.
Posted on Mar 09, 2010
if the receiver does not power on from standby there is a problem like bad power supply or even bad macroprocessor. You need to bring it to a service center for diagnosing. 10-years old receiver, maybe better to buy new one.
Posted on Nov 27, 2011
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