Question about JVC TH-C50 System

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No Speaker Cables

I have a JVC TH-C50 receiver and manual.  I do not have the speakers or the cables.  The manual shows the 8 pin speaker jack on the left rear of the unit.  Does anyone know where I can get the cables?  I would like to use my own speakers.  Any details on hooking up the speaker system would be greatly appreciated.
Duke in GA

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  • augie123 Nov 14, 2007

    I have the exact problem. Someone on ebay mis-represented what came with the unit. now I am stuck in the same boat as you. Any help would be greatly appreciated.

  • flyinbrian Apr 01, 2008

    I just purchased the TH-C50 and am pleased but the 8 pin mini din is used as a proprietary cable in this config. and makes it impossible to use this reciever/DVD or sub any other place. I would like to use these speakers with the computer in the same room so I don't have 2 sets of surround spkrs in the room. I need to know JVC's pinning on that mini din. With the pinout diagram for that connector I could have a "A"- "B" speaker switch or a mono 5 plug surround breakout cable made.



1 Answer

This is a s-video cable, same as used for video signals, i bought a gold plated one and all works awesome

Posted on Dec 18, 2007


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--> The 1/8" mono goes from the other speaker to the control speaker. White mark in the control speaker.


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Good luck


Rate my response please.


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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]

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.

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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

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