Question about Logitech Z-680 Speakers and DVD218 System

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Subwoofer box i just got a system installed and the guy told me that my box was loose what do i do

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Tighten your box

Posted on Nov 21, 2008

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I have the JVC TH-C60. When I plug it in the lights flash and I hear the subwoofer click in sync with the flash of the lights on the main unit about every two or three seconds or so, but it won't fully...


HIya , sounds like the Sub is Ok if its making some form of sound so only the amp needs to go in and it unfortunately doesnt sound as simple as a wire etc but that something is faulty. I suggest request a written quote for the repair. You might struggle to get that, as guys dont like to quote (and they do have valid reason for being like that) but the right guys will give you a number! Best of luck

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(Please read the whole thing before opening anything)
Loose connections inside either the receiver or the subwoofer. Open the subwoofer case (the screen should pop off, if there is no screen there is usually some hidden screws somewhere) and see if there are any wires that have been separated. The problem with subwoofers (more common in car audio) is that they will vibrate so much that when you have something meant to have a lot of bass without the subwoofer and then you add the subwoofer to it, it's overpowering it which causes it to vibrate harder; seperating the cord that attaches the fabric of the speaker itself to the metal harness.
You can do one of 2 things:
1) Souder the wires back together using a heat sink.
2) Get allagator clips, cut them down pretty short and just extend the length of the wires a little bit giving it more bouncing room. Caution with this because if you dont cover the clips and they touch the metal frame, you will have no sound. Electric tape them once they're on.
If nothing is seperated, check the input jacks from the speaker box frame to the speaker itself. Loose connections are common for the crimp on kind.
Also a good idea: if you really (I mean really) want bass and you have no neighbors within a 1/4 mile radius of your house, have a friend who is getting rid of his car woofers to hook you up an AC outlet from the power source, and then use the red and white cables going into the amp to come from your receiver. I've seen this and it's great when watching a movie or playing games. Surrounding people hate it. (Wonder why?)

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1 Answer

No sound from base speaker


(Please read the whole thing before opening anything)
Loose connections inside either the receiver or the subwoofer. Open the subwoofer case (the screen should pop off, if there is no screen there is usually some hidden screws somewhere) and see if there are any wires that have been separated. The problem with subwoofers (more common in car audio) is that they will vibrate so much that when you have something meant to have a lot of bass without the subwoofer and then you add the subwoofer to it, it's overpowering it which causes it to vibrate harder; seperating the cord that attaches the fabric of the speaker itself to the metal harness.
You can do one of 2 things:
1) Souder the wires back together using a heat sink.
2) Get allagator clips, cut them down pretty short and just extend the length of the wires a little bit giving it more bouncing room. Caution with this because if you dont cover the clips and they touch the metal frame, you will have no sound. Electric tape them once they're on.
If nothing is seperated, check the input jacks from the speaker box frame to the speaker itself. Loose connections are common for the crimp on kind.
Also a good idea: if you really (I mean really) want bass and you have no neighbors within a 1/4 mile radius of your house, have a friend who is getting rid of his car woofers to hook you up an AC outlet from the power source, and then use the red and white cables going into the amp to come from your receiver. I've seen this and it's great when watching a movie or playing games. Surrounding people hate it. (Wonder why?)

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1 Answer

Can't figure out how to connect a subwoofer to my RCA RTD315W


HI,the rca system should have a sub pre out socket,plug a phono cable into this then to input on your sub and set volume to half way,also make sure the sub is set to on in the setup menu on the system.
Hope this helps.
CABLE GUY.

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That sounds like defective internal wiring or a loose connection on the amplifier PCB. If you just purchased this audio system. It should still be under warranty for a defect.

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adam.roseneck@gmail.com

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The Subwoofer will not work but all other speakers do!


Hi look for a sub level control in the set up and turn it up,this may give it a kick start,also is ther a volume control on the sub? if so turn it up half way.

HOPE THIS HELPS.
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Control and amplification circuit boards are not recieving power


If there are no visable ways to get into the box from the back then you must remove the speaker from the from and gain access through the hole the speaker came out of. It is not too uncommon for speaker units to built this way. Good luck.

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