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KLH 12'' Subwoofer S200ETH blowes out fuse after replacing it.

I have a KLH Subwoofer model S200ETH everytime I replace the fuse it blows out. I took it apart and checked it nothing looks or smells burnt. I even tested the woofer to see if it was blown out but it is still working. Also the On led indicator does not turn on. Please help!?

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5 Suggested Answers

SOURCE: Subwoofer just stopped working. There's power but no sound.

I have the same problem. My guess is that the subwoofer coil is messed up. You MIGHT have to get it recoiled. But before you do any of that get someone with a sub to play their sub in your car, if it works.... then your sub is messed up, if not.....then your amp is messed up ( trial and error ). Today i noticed my subs rubber surrounding is crooked, that may be the problem for me. Also when I press down on the sub it makes a sticking sound, like something came loose. So once i get everything opened and out ill let you all know the solution. Good Luck!

Posted on Apr 10, 2008

  • 3 Answers

SOURCE: AR1 Subwoofer Keeps Blowing the 5 Amp Fuse

Well, so far so good. I reinstalled the newly repaired amp and fired it up and so far, so good. Ran it through about an hour of fairly intense break-in tracks and then ran it through about 2 dozen power up and down cycles to try to get it to fail (better now than a month from now and have to fight them on backing it up).

Posted on Nov 13, 2008

  • 5 Answers

SOURCE: loud humming buzzing sound coming from subwoofer

make sure you have the speaker connection right if you do then it is a ground problem try plugging it in a different outlet

Posted on Dec 16, 2008

  • 1 Answer

SOURCE: KLH ASW10-120 Subwoofer My KLH ASW10-120

Did you ever find a solution for this problem? I have the exact same thing happening with my KLH subwoofer and I'd love to know how to fix it!

Posted on Jan 26, 2010

  • 2 Answers

SOURCE: Polk Audio PSW202 subwoofer.

Fuse probably went bad because either the large filer capacitors at the edge of the PCB went bad and or the final output IC mounted on the heatsink(15 pin) fried. Check the capacitors and all the semiconductor components on the board for burn marks or corrosion. You have to remove the heat sink clamp from in front of the output IC to adequately visualize its condition. In fact you might have to remove the large aluminum heatsink attached to the chassis to get a good view of the IC. If it or the heat sink clamp show signs of thermal burns you need to replace it. The IC is a TS TDA7294 mono audio amp available at Mouser Electronics. Replace the 35V 4700mF caps with 50V 4700mF caps. You will only have enough space on the top of the PCB for one of the larger caps. I mounted the other on the circuit side of the board. Note the polarity of the original caps and respect it in their replacements. The fuse is a 5 X 20 medium speed slow blow 250V 2.0A glass fuse.

Posted on Dec 02, 2011

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1 Answer

Klh subwoofer keeps blowing it's fuse.


Most likely the amp in the sub has blown. It will need repair or replacement. I'd take it to an expert in repairing amps, it's not a job for you unless you're experienced in troubleshooting these things.

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I replaced the fuse in my subwoofer and it blowing them. If i switch it to a 3amp will that sovle the problem.


Check out this thread
http://www.fixya.com/support/t2753393-klh_subwoofer_about_6_yrs_old_keeps

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I saw this post. I have the same problem with my 10-100.
http://www.fixya.com/support/t2753393-klh_subwoofer_about_6_yrs_old_keeps

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Subwoofer keeps blowing fuses.


THE AMPLIFIER "IC" MAY BE SHORTED!
IC MAY NEED REPLACED.

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then the circuits took a hit and the fuse didn't do it's job in the 1st place. best is too get new circuit thats inside the sub woofer.

sorry to be the bearer of bad news

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