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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Re: No Speaker Cables

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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Getting tv sound from home theater speakers

Connect your sound from the cable box out to the JVC theater audio in jacks. This will give you sound through the speakers.

Jan 29, 2014 | JVC TH-C50 System

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I have a jvc th-m606 receiver and I don't have a subwoofer for it, is there a different way for me to get audio output or a different subwoofer I can use?

You would have to make a cable that goes from the 8 pin mini din of the jvc unit to each individual speaker. A wiring diagram can be found online each pin on your 8 pin goes to a speaker , and one is for power. Find a wiring diagram and find a cheap electric store that can make the cable for you. I had the same problem...

Aug 10, 2012 | JVC TH-M606 System

1 Answer

How can i replace the cord that goes from the speaker to the receiver

Run "JVC TH-C6" by eBay and check the 'include description' box. Or seek a DIN cable with the same number of pins elsewhere.

Sep 05, 2011 | JVC TH-C6 System

1 Answer

I have a Th-C50 home theater and lost my subwoofer system cord, can I use a regular s-cord to make that connection? or is it useless with out the cord?? Please help!


Yes you can use any 2-core cable to carry the bass signal to the subwoofer. As the bass speaker cone is the largest cone in your speaker set I would recommend a good quality cable of decent gauge (thickness) to carry the bass signal.

You just need to make sure you have the right connectors for the amp and sub and make sure you connect positive to positive and negative to negative.

Hope this helps,


Mar 02, 2011 | JVC TH-C50 System

1 Answer

I have a jvc seteup but reciever 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.

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):

Maybe they could fix your receiver.

You COULD try to reach the manufacturer for other options.


Jan 12, 2011 | JVC TH-M505 System

1 Answer

I have a JVC Th-c50 Home Theater It holds 5 cd's, or dvd's my grandson decided that it should hold 8.. I removed them all, now it shows no disc when loading?? It it expensive to have this repaired or what...

check all internal cables again, may be you turned over the flat ribbon cable to the loader. Check if all the cds is loading ok, that there is no mechanical blocking underway.

Sep 03, 2010 | JVC TH-C50 System

1 Answer

Just got JVC SP-PWC50 subwoofer and 2 SP-THC60F front speakers but thats all!!! How can I hook up and power up? What kind of mids and rears can I hook to this system? I have several old Sony and Harmon...

Your intended project sounds interesting. I like the idea of retasking older audio gear into modern multichannel sets. One good reason to use older equipment is that the specs, interfaces and interoperability are standardized so you can tell if/how a given amp and speaker will work together. I do it myself.

It looks to me like you have only part of an HTIB (Home Theater In a Box) system that uses a proprietary 8-pin connector and system cord that would come from the base unit/DVD/receiver (the 'brains', which you don't have). It doesn't appear to be designed for compatibility with other units, say, something that would bring in the 5.1 channel audio via either a digital (SPDIF) cable or via 5 separate RCA audio cables.

This subwoofer is self-powered and also provides amplification to up to 5 other speakers, two of which you have.

Their connection to the sub would be via standard speaker cables, likely the Red and White FRONT spring clips. The output terminals are rated up to 16 ohms so attaching a foreign speaker should not be a problem other than its having unpredictable frequency response.

Besides basic connection and signal processing, the missing DVD/Receiver would also decode and direct the 5.1 channels to the Sub and handle level matching of the channels. Without the 'brains' of the system you'll have to get creative to use the individual parts. The 8-pin input connection will be a big problem unless you're adept at getting inside the unit to figure out where things go before they come out at the speaker terminals. Then you'd have to do some rewiring.

UNDERSTAND THIS: Those connectors are OUTPUTS to speakers, not inputs from an Amplifier. If you hook that up wrong you better have a fire extinguisher handy. Kidding. But it could be bad.

The Front speakers are 3 ohm impedance, clearly designed to be used with the amps inside the Sub so I would be careful in trying to drive them with amps that aren't good at handling low impedances. Give it a try AFTER checking the low impedance tolerance of your amplifiers, but easy on the volume.

I would not expect all of this to be a worthwhile effort unless you just like the challenge. Even if you succeed in making a satisfactory electrical connection with your multichannel source as input there is no way to know if it will sound okay. With all-in-one systems the manufacturer may have matched the speakers up with special amplifiers that are designed for 3-ohm speakers and to shape the sound through active internal equalization in such a way as to produce flat response from non-flat-responding speakers - like Bose does, for example, but at least they tell you that's the case.

The stated spec is 200 watts (RMS) per channel at 3 ohms at 100Hz with 10% Total Harmonic Distortion, a very unusable spec. True and honest watts/channel specs look like, "XX CONTINUOUS watts per channel, all channels driven into 8 ohms (20 Hz - 20 kHz, +0.5 dB, -3 dB less than 0.5 percent THD)".

At only 27 lbs with a Power Consumption of only 160 Watts I'd say the Amps/Sub component of the package is a lightweight, literally and figuratively. Apples and oranges when compared to grown-up audio components. It might get loud but not cleanly. But that's just my opinion.

Here's the Owner's Manual for the entire kit...

There's some discussion of the features, etc, here...

Apr 03, 2009 | Home Theater Systems

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]

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

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

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