Question about JVC RX-8020V Receiver

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No subwoofer output-JVC RX-8020V

Yes, I already had the sub activated, & set the level at +6. Any more suggestions? I bought this as an entry level receiver for my son (finishing 1st yr. college) , & hoped it would serve him well for a while.

Thanks,
david

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This is a self-powered sub, correct?

Posted on May 23, 2008

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Have jvc rx-2020v receiver with mono rca out for sub and trying to hook it up with polk audio rm 1000 w sub woofer with +/- terminals for both left ane right channels plus blue terminal(?). How to?


Your Polk Audio subwoofer is a passive sub and your JVC mono output is for connection to a powered sub. If the JVC does not have an amplified output for a passive sub, you'll either need to get an amplified sub, a different receiver, or buy a dedicated mono subwoofer amplifier.

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Jvc RX 8020 receiver won't play when in DSP or Surround modes no sound at all, can only get sound in analog direct. Owned for 6 yrs. first problem ever!


I'd suspect one of the controls that would be overriden by analog direct is unknowingly activated. LOOK at the front panel and interpret every indicator for how it could cause silence. Refer to the manual for those you don't understand.

Any Tape Monitor activation would disable digital sources completely.

See page 14 for how Line Direct affects DSP modes.

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I have already purchased a yamaha receiver rx-v667 7.2 channels and I am looking for a subwoofer. Before purchasing the subwoofer I would like to understand how many connection options I already have: LFE?...


The 667 has two line level outputs to feed a subwoofer. They are identical. You only need one for most sub woofers. You need a suitable length pin audio (RCA) audio cable to connect.

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I have the Subwoofer plugged into the output and have it turned ON but it's still not working!


It only drives a self-powerd sub.

The manual...

http://www.retrevo.com/support/JVC-RX-8010VBKC-Receivers-manual/id/315dj079/t/2/

Page 17:

Setting the Subwoofer Information


Register whether you have connected a subwoofer or not.

Before you start, remember....

• There is a time limit in doing the following steps. If the setting is canceled before you finish, start from step 1 again.

On the front panel ONLY:

1. Press SETTING repeatedly until "SUBWOOFER" appears on the display.

The display changes to show the current setting.

2. Press CONTROL UP / DOWN to select "YES" or "NO."

• Each time you press the button, the display alternates between "YES" and "NO."

YES: Select this when a subwoofer is connected.

NO: Select this when no subwoofer is used.

Note:

You cannot use SUBWOOFER OUT ON/OFF on the front panel (see page 14) and adjust the subwoofer output level (see below) when "SUBWOOFER" is set to "NO."


Then continue with setting its relative level and other things.

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Subwoofer problem


If you get your system up and running and hear an audible buzz or hum, the first culprit to look at is either the powered subwoofer or your reciever feed at the entry point to your system.



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I am trying to hook up a powered sub woofer to a yamaha rx-v461 and i dont know what cables go where on the back of the sub there are two speaker ports and there are two plug ins but each speaker port has...


Your subwoofer probably has both high-power inputs and "normal"low inputs. The first are for receivers, which don't have link-level output for sub, so they are able to take already amplified signal as input.
You need to use link-level input of your sub and connect it to subwoofer-output of your receiver. The output is marked as OUTPUT - Subwoofer and is black-color RCA plug (don't confuse with subwoofer INPUT under MULTI CH INPUT).
Receiver has only mono output for subwoofer. If your sub has stereo input (white/red RCA plugs), connect just the left channel to the receiver, it will still work.
Don't connect anything to the speaker output on the sub, you don't need that.

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No sound out of subwoofer


Connection from receiver subwoofer output jack RCA plug male go into your powered subwoofer low level input with other end of cable, then you need to select Subwoofer YES/NO on the JVC receiver speaker setup menu option, select YES if this is a powered subwoofer you are using, should power up the subwoofer, may have to adjust a test tone balance for multi speaker output also, try trimming up on the subwoofer channel to initiate the signal on if the sub has an auto-on feature.

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ther should be a diagram in the left hand corner of display of speakers hooked up, make sure sub is shown right under the left right (and possibly) center speaker icons. under adjust, there is a subwoofer volume level. Under settings there is sub (yes, and no for on and off) there is a sub crossover frequency, and i believe there is also a "LFE" att, which is another subwoofer level.

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No subwoofer output


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May 17, 2008 | JVC RX-8020V Receiver

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Sub Woofer


Yes, this output on this receiver is at line level, (.775 MV) Or better known as 0 db level. You will need a powered subwoofer to get the bass to work. If you need an owners manual, you can get one here: http://books.jvcservice.com/download/256239653/17839.pdf Good Luck

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