Question about Yamaha RX-V490 Receiver

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Yamaha RX-V490 comes on, goes off

I've had this piece for about 7 years or so, and have never had a problem, although it is similar to a problem I had with a Marantz receiver I used to have. I hit the power button, it makes a pop and immediately turns off. Is this something I can fix or do I need to take it somewhere? Thanks

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Re: Yamaha RX-V490 comes on, goes off

More than likely its going into protect mode to keep from blowing your speakers. That pop noise is DC getting to your speakers before it shuts off i would recommend checking for DC voltage at the outputs first. If your not electronically inclined take it to a shop. Let us know :-)

Posted on Sep 15, 2007

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Smoke started to come out of top of RX-V490 receiver, and now sounds a little more distorted than usual. Is the receiver salvagable, I know I triggered the protection circuit, but will it keep happening? I...

It all depends how much the amplifier circuit was damaged and how much you now push the system. It could be worth opening the unit and checking for any obvious damaged to components before you go any further.

As you've stated you want to run 4 speakers I take it you're not using the full 5.1 System.

If this is the case then the best/easiest option for running 2 sets of speakers is to get 2 Pairs of 4 Ohm Speakers and just connect them in Parallel to the Front Output which is rated at 70W + 70W (8Ohms).

If you need any further assistance of clarification just ask.

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The amp is in protect mode which means that the output section has a problem. With nothing connected, there are defective parts inside the unit. This type of problem is not likely to have been caused by any shipping damage. I would guess that the output transistors are shorted.


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