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Amplifier moving spontaneously from one input to another cutting out used source

18 year old onkyo hifi stereo amplifier will not keep a single input channel. It switches from tape deck to Tv to Dvd player etc on its own. It does not seem to be linked to heat because it will go into its dance amoung the channels whether warm (having been in use) or cold (just when we turn it on). the result is that the sound comes and goes willy nilly.

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  • filosopher Jun 16, 2008

    I tried upgrading to a Cambridge which seemed to have the necessary specs and it ended up in SMOKE!!! So now I do not even dare up grade. I have heavy duty TANNOY speakers and large wires to the amplifier.

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18years is good service you may want to look at upgrading to a newer model. If you have become close to this amp I think the processor for the amp is going bad and you would have to replace the entire board ,and on this old of set woud not be available.
GOD LUCK
BIG RED

Posted on Apr 02, 2008

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Posted on Jan 02, 2017

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But better to use Aux, so you can keep Tape-In free, but it all depends how you want to use your system for recording
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Unplug the unit from the power source. Wait for a few minutes and then plug it back in again.

Sources of the problem can be from radio interference for example, or I would suspect given the time of year you are reporting the problem, our Sun which is more of a rare incidence but peak times are during the same months as the appearance of the aurora borealis.

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