Question about JVC RX-8020V Receiver

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Shuts off my reciever turns on and the stand by light stays on then turns off about 4 seconds later. i unplugged all the speaker inputs and it still continues. any help would b great

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  • crvilla01 May 11, 2010

    hellow! you resolved the problem of the shut down?

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6ya6ya
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Posted on Jan 02, 2017

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paul4265
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SOURCE: ive had this subwofer and

Hi.
You have a capacitor that has gone out on your sub, most likely on the power supply board.

Too bad it's not under warranty, you could sent it in for warranty repair work.

But, it's not, so you will have to pay to get it fixed instead.
If you take the sub to Fry's Best Buy, or Radio Shack, they should be able to repair it fairly cheaply, and get you back to having full function of the sub again.

I hope this helps you out, and have a good day.

Posted on Jul 02, 2011

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Not familiar with this model but seems like the protection circuit is kicking in, this could be caused by an imbalance of Ohms between channels or a short. remove & check all speakers and cables for continuity or shorts, does the unit power on without speakers or in a different mode (surround off).
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These JBL speakers are not made for a home stereo reciever. It could be part of the problem.

I do know that they have a high frequency input and a full range input on each speaker.

I am going to guess that maybe you have them connected to the high frequency input.

Are you using 1/4 inch jacks connecting to the input of the speakers?

I don't remember these speakers having a input for wires.

You may have another issue using these speakers with that reciever.

The JBL speakers are 4 ohms each, it is very likely that the onkyo requires 8 ohm speakers.

Look on the back of the Onkyo where the speaker jacks are at and see if it says anything about the minimum impeadance.

The impeadance is the ohms. Most home recievers are not designed for anything less than 8 ohms. Some are, but most are not.

Using 4 ohm speakers on a system that requires 8 ohm speakers can cause damage to the reciever. Mostly at higher volume levels, it will cause the reciever to overheat and shut off, maybe short out a channel. It pulls 2 times the amount of current thru the output transistors as 8 ohm speakers.

Let me know if this helps you or if you need more help.

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