Question about JVC TH-M505 System

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Jvc th m603 center unit - powered subwoofer

I have no power to the subwoofer. I bent the connecting cable from the center unit to the sub. I straightened the pins and tried the unit but no success. Do i need a new cord? Thanks

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Yes go to JVC.com It will cost you $20.00

Posted on Mar 31, 2008

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No its not the cable. If you are getting NO power then it needs to be serviced. if you get the power light on then yes u need a knew cable.

Posted on Apr 02, 2009

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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

Jan 12, 2011 | JVC TH-M505 System

1 Answer

SP-PWM508 subwoofer input conections


sub hooper power was not come.

Feb 11, 2010 | JVC TH-M603 System

1 Answer

No power to subwoofer


The subwoofer is designed to be "on" at all times. It will detect signal from the cable and should start by itself. So yes, the pin cable must be connected.

Dan

May 20, 2008 | JVC TH-C3 System

3 Answers

JVC 8 pin pinout - speaker cable


Looking at the connector, there are 3 rows of pins.
Starting with the first row closest to the alignment mark:
[Power On],[Center Speaker],[Sub Woofer]
[Surround Right],[Speaker Ground],[Surround Left]
[Right],[Left]

If you are trying to connect two JVC units, you will need an 8-pin cable that has the SAME pins connected on each side. You will need to test this using a multimeter set to ohms or 'connectivity'.
There are other 8-pin cables out there like the one for apple networking, but they use a crossover pinout where pin 1 on one end = pin 3 on the other end. This is bad. JVC needs pin 1 to = pin 1.

This is a standard connector/pinout setup that JVC uses, so connecting a TH-C3 to a TH-C50 works fine. There is a bunch of intermixing that you can get away with. The only thing to keep an eye on is the power in watts that one unit sends and the other recieves. Worst case is that the speakers are quiter than expected or that you can turn the volume up so high that it can damage the speakers. In all cases, you should get desired volume somewhere on the dial.

If you are trying to wire the speaker set custom, then you will need to take note that an '8-pin' connector is actually a 9-wire connector. Along with the above pinout, you will need to add Case Ground, which is the metal circle that surrounds the pins. To make the speakers turn on, you will need to apply 12v to the Power On pin and ground the 12v source to the Case Ground outer ring.
The system takes 3 to 4 seconds to fully turn on after this connection is made. Speakers should be wired using the center pin for speaker ground and each other pin respectful to each speaker.

Apr 01, 2008 | JVC TH-C50 System

2 Answers

Missing lead


typically i would say connect it in parallel to the right or left channel..assuming your system dosent have a sub woofer output and your subwoofer is powered

Mar 05, 2008 | JVC TH-S3 System

1 Answer

Jvc th-c5 dvd theater system


Probably have a bad center unit to subwoofer cable. Sometimes the pins inside the cable bend or break. I paid 33.00 for a new one on the JVC website.

Dec 25, 2007 | JVC TH-C5 System

1 Answer

Subwoofer Shutdown


Whay don't you take a look at your data cable and jack contacts to see if any of them are bent or misplaced. Terry

Oct 02, 2007 | JVC TH-C50 System

1 Answer

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


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.

Oct 21, 2006 | JVC TH-M505 System

1 Answer

Subwoofer not powering up


I could either be the sub or the main unit. The main unit actually sends a signal to the sub to turn it on so if that circuit is bad in the main unit the sub is never going to come on. I've also seen bad cables (You'd be amazed at how stubborn people can be when din connectors don't cooperate).

Sep 10, 2006 | JVC TH-M505 System

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