Question about Labtec Pulse 485 Computer Speakers

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Speakers fried a regulator

Myspeakers burnt one of the regulators. and the amount of power going to the woofer and satalite speakers seems to be far more than what it should be. what could be the problem and can i solve it?

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Replace the reguletor & change the satalite speakers. If not solved for more assistance ask me 7-8 days later.

Posted on Feb 11, 2008

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Hello, welcome to Fixya!

Fault is either from the main system or the sub-woofer itself.

You need to test both unit in order to detect which of the two is giving the fault, so that you can concentrate on the faulty unit.

Test the woofer with a AA battery or any other battery. Put your ears close to the woofer and observe if you will hear any sound. If the woofer makes sound, then it means the woofer is working, but if it doesn't make sound, then it means the woofer is defective. Or you can disconnect one of the working speakers and connect the woofer to that part. If there is no sound, then obviously, the woofer is defective.

If the woofer seem to be working, then the unit needs to be tested also.

Connect one of the working speakers to the sub-woofer's section of the main unit. If the speaker doesn't bring out sound, check the system's menu settings, check the volume and make sure the sub-woofer volume is raised to the highest level and not on mute. ( Note that most Theater systems has separate volumes for each speakers). If the volume is raised to the highest level and there is still not sound from the woofer part, then it means the woofer channel has burnt. It could be a fuse or a defective channel. At this point, I think you need help from a repairman.

I hope the above is clear.

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I need replacement crossover because they got burn


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As far as turning car off/on to get it to work, it's as if your car is the power switch.

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http://www.audiosavings.com/content/ebay/SubWiring.html

this link will help u understand the wiring & how too wire your speakers...
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Fried Woofer


The problem are worsen that before. It is wisely to replace both left and right amplifier
IC, but make ensure that the power supply feed a good amount of voltage to amplifier,
Also a strong good signal. Be sure to measure it.

r_ic7

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