Question about Audio Players & Recorders
The unit makes a click sound when pressed the power on bottom, like normal amps. But nothing else, no display, no sound.
It has develop a internal problem , Will have to be taken in for repair,
Posted on Nov 29, 2012
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Posted on Jan 02, 2017
SOURCE: DENON AVR 2802 (NO SOUND)
If "Digital" sign blink on front panel, it means DSP do no start properly. If DSP do not start, main UC mute audio. Change IC,
817 ) at DSP board (Denon P/N: 262 3010
Posted on Sep 11, 2008
Without looking at the schematics for this particular model, I'd surmise that the click is indeed a speaker protection relay. Generally this is fed by a number of different sense circuits that watch for power amp issues and/or excess speaker current and/or power supply output stability. Although the relays do indeed fail at times, generally it is not the relay that is at fault. If you have a scope and a schematic, you can check the various circuits that feed the relay for the exact cause. If not, you can do some experiments that might help deduce the problem: e.g. do headphones work when speakers do not, does the relay click on when no speakers are connected (or selected), etc. In my experience, it is most often the output transistor(s) in the power amp. But not always ;-)
Posted on Oct 15, 2008
The unit is in what is commonly known as "protect" mode. This means that a problem has been detected in the final output stage of the amp and the outputs are shutdown to prevent further damage to either the receiver or speakers. This should not be a difficult repair for a service shop. Expect a parts cost in the $25-$40 range. Add in the local labor rate for the total repair cost.
Posted on Nov 28, 2008
If I remember this model correctly, there is only 1 direct input. The remainder of the inputs are bufferred through a switching IC. It is likely that this IC is defective. Are there any other symptoms at all?
Posted on Mar 13, 2009
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