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We have a jvc home theater surround sound system and the subwoofer just stopped working. the model number for the sub is sp-pwc30 and we want to just replace the subwoofer any ideas how to get one?

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Depending of the type of Subwoofer that required your system.

A) Amplified Subwoofer. (With 110volts A.C. cord attached to the sub)
The subwoofer electronics circuit needs repair or change.
You will find a compatible subwoofer for this type of subwoofer in audio appliance stores.

B)Not amplified Subwoofer (No 110volts A.C. cord attached to the sub)

Bring your sound system to a technician to have the soldering remaked to the devices bolted on the main heatsink.
And have the Subwoofer checked too.

This type of subwoofer can mostly be buy in kit with the satellites speakers.
And need to match thee impedance of the output of your system.

Search for ( 4 ohm or 6 ohm 8 ohm ) near the Sub outlet behind your system.

Spider Guy

Posted on Mar 15, 2010

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Sub would only sound when am listening to radio would not sound when playing dud aux but surround speakers play


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I have the sub woofer and two sp-thc5f front speakers. Can I hook this subwoofer directly to my JVC 56 high def big screen or do I need a dedicated amplifier that works this sub wooofer?


No, the powered subwoofer gets its signal AND power through the DIN connector so you'd have to second guess JVC engineers on which pins are power or signal; and what voltage level it supplies and then you'd have to come up with a source for the power. Managing the volume and relative levels would be a trick, too. Devastation lies down that path.

Get the prescribed JVC electronics or go with a whole new sound solution.

Jan 16, 2011 | JVC THC5 Home Theater System with 5-Disc...

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I HAVE A JVC HOME THEATER SYSTEM MODEL NUMBER TH-C5 THAT THE RECEIVER POWERS UP BUT THE SUB WILL NOT AND THE SPEAKERS ARE NOT WORKING.


Page 42:

No sound. The system cord and/or speaker cord is not connected. Check the connection.


The audio cord is not connected to AUDIO IN (VCR)

and/or DIGITAL IN (DBS) correctly.

Connect the cord correctly. (A pg. 13)


An incorrect source has been selected. Select the correct source. (Apg. 17)

The decode mode is not set correctly. Select the proper decode mode. (A pg. 35)

http://www.retrevo.com/support/JVC-TH-C5J-Home-Theater-Systems-manual/id/318ag518/t/2/

Do you think the powered subwoofer itself might have a power problem? Check its cord.

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JVC sp-pwm606


Hello, it,s very possible that it,s circuit protector built in to the sub (if it,s a self powered sub) gets to the point of overload and shuts off as a protection so that the speaker won,t get damaged and also so the internal amp tha,t pushing the speaker sound is also protected since theese amps all have heat buildup, their are two types of subwoofers ,They are the powered ones and the ones that are powered bt the surround amp ,The ones powered by the stereo surround amp/tuner tend to throw out less power to the sub and the ones that have internal power are mostly higher powered , Another thing you might want to check is your polarity to the speakers and also the omage , Most home theater system speakers are 8 ohm,s but their are speakers and amps that can be changed to 6 ohm,s ..so you might want to check the speaker rating also . Well hopefully you can use theese different methods to at least troubleshoot and discount the thing,s that are not the issues , Good luck and hope theese sugestions might help you , Sincerely Glenn

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I HAVE JVC SURROUND SOUND SYSTEM MODEL SP-PWM 45,I HAVE LOST 8 PIN CONNETOR FROM MAIN AMP TO SUBWOOFER. WHERE CAN I PURCHASE THIS CONNECTOR THANKS


Here is a link to the system cable that I think that you are reffering to. The model number of the system you have is TH-M45

The model number you gave is for the sub-woofer only. This is the system cable that is required to connected between the sub-woofer and the main head unit with the DVD changer in it.

http://www.jvcservice.com/store/ProductDetail.asp?Part=QAM0381-001%20%20%20%20

If you can not click on the above link, just copy the entire link and paste it into the address bar of your interent browser.

Since this is the part you want and it is the cheapest place to purchase it, a rating of "FixYa!" would be appropriate and very much appreciated. After all, it is the only reward we get for offering people like yourself this free technical support.

Thanks,
Dave

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often your sub need to be change because of its malefunction.

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