Question about JVC TH-M505 System

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SUBWOOFER WON'T POWER ON (Grounding out???)

I have a JVC TH-M505 system. I am using all the factory speakers as well as the factory subwoofer (which runs all of the speakers) I was redoing my floors and I had to put the subwoofer on the fireplace until I finished where the subwoofer was - I put the subwoofer back down on the floor, and now when I turn on the unit, the Subwoofer light comes on for about a second or so and then turns off. I suspect that maybe it is grounding out or something but don't know how to resolve it. I have disconnected, and reconnected the speakers, changed the outlet I had the subwoofer plugged into and nothing changes. ANy help or suggestions would be greatly appreciated.

Posted by Adam Barnes on

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Check your cable that runs between the main unit and sub for bent pins. If they look fine there may be a short in the sub itself that is causing it to go in to shutdown.

Posted on Jun 15, 2007

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WHERE CAN I BUY A SP PWM505 CABLE THAT GOES FROM MY RECEIVER TO THE SUBWOOFER? ITS A HOME THEATER

  • Here is a list of cables for your unit from Crutchfield's.


  • If your looking for the s pin DIN cable from the sub you can get that anywhere. The 8 pin DIN is a standard cord the same across the board. Here are a couple to choose from.



  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.
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I CANT FIND A SP PWM505 CABLE

  • Here is a list of cables for your unit from Crutchfield's.


  • If your looking for the s pin DIN cable from the sub you can get that anywhere. The 8 pin DIN is a standard cord the same across the board. Here are a couple to choose from.



  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.


Regards, Tony
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I have a jvc seteup but reciever is broke.is there a way i can get a adapter to plug sub woofer with power amp into a a yamaha reciever?the plug that goes from sub woofer also powers other speakers, cable...

Here's a manual.

http://www.retrevo.com/support/JVC-TH-M505J-Home-Theater-Systems-manual/id/318dj491/t/2/

That cable not only carries audio but it also powers the sub and other channel amplifers. Even if we could supply the pin-outs for the channels I'm not sure what we could do to provide subwoofer power. We're talking about a major rework.

This is a highly proprietary design, meaning it's really not very adaptable to normal spec audio equipment.

There's a flat-fee repair service for the receiver ($99.95, free return shipping):

http://cgi.ebay.com/JVC-TH-C50-TH-C5-TH-M505-Repair-Service-/360178567658?pt=LH_DefaultDomain_0&hash=item53dc50c9ea

Maybe they could fix your receiver.

You COULD try to reach the manufacturer for other options.

http://www.jvc.com

800-252-5722
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Wiggle on the long round cable connected to the Sub woofer. If the SW turns on, open it and solder the connector or change the connector
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There are very few uses for the subwoofer. Try it on FM if you get audio the woofer is working.
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Yes go to JVC.com It will cost you $20.00
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http://support.jvc.com/consumer/product.jsp?archive=true&pathId=30&modelId=MODL027222

cut n paste the link for the manual

Are headphones plugged into it?

Is the headphone jack damaged?
Are there speaker fuses on this model? If so, check them.
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