Question about Denon AVR-589 Receiver
This is probably a capacitor or regulator in the power supply, in one of the main supply voltage lines. That circuit gets a lot of stress, over time, and electrolytic capacitors can dry out, and become faulty. This is most likely a temperature problem (the capacitor, or sometimes a regulator IC) since it happens a bit after you turn it on. These type of problems can be located by using Freon (cold spray). You let the unit heat up until it messes up, then spray components, one at a time. When you hit the bad component, the circuit will come back on. This could be a cracked trace, that makes contact when it's cold, but heats up and expands after a bit, losing contact. This type of problem is typical of the transformer and main power circuits. The power supply has an overload circuit that automatically cuts the power off, to avoid damaging other components, burning things up, etc. I had a Kenwood once, and it's problem was the main transistor in the amplifier circuit, but that was years ago- today's systems use ICs and regulators, for the most part, so they would be the likely suspects. Good luck- hope this helps and gets it working again!
Posted on May 10, 2010
Hi, What causes a receiver to switch to stand -by mode is, when the voltage of the light you are using on it is a little lower than it, and can not really power it for too long that is when it goes off and back to stand-by mode.
You need to get your voltage system, it needs more light to power on successfully so that it will not strip off again.Change the voltage of the receiver, if you a big generator, you can also try it out with it and see if it will go off.
When you rectify the voltage level of light you are using, it will work properly.
Posted on May 10, 2010
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Posted on Jan 02, 2017
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