Question about Labtec LCS 2420 Computer Speakers

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Not turning on.

All of the stuff is plugged in correctly and everything, but for some reason, the speakers won't turn on. I can't think of any reason they would randomly stop working, but they did.

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I have these speakers and I had to dismantle the circuit board to replace some components. I think it was capacitors, but a long time ago....so...I don't remember which parts....most likely same problem....mine are still working now. A good tech should trace power to amp section and signal through amp. ...about $15 reasonable repair....no more.

Posted on May 26, 2008

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My serial port is damaged i want to run it direct

Posted on May 20, 2009

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Posted on Jan 02, 2017

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Check the easy stuff first: make sure the volume is at a reasonable level and play sounds from multiple sources like pandora, youtube, a local mp3 etc to make sure issue is consistent.

Next make sure the one or more wires are plugged into the correct ports. Or at the very least the green wire is plugged into the green plug on the computer (unless they're USB speakers?).

You could always look at the sound settings of Windows and see (if your sound card has multiple plugs) if the plugs and assigned different functions (base speaker versus microphone/headphone etc.). Hope this helps!

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Bose - Custom EQ Error: 10


Hi, I have just had the same problem and the advice from BOSE was to turn everything off and disconnect the sub from the main unit, wait 10 mins and turn everything back on, making sure to turn the sub on first.

As it happens i then noticed I had connected the sub via the BOSE link speakers plug to the main unit rather than the correct "MAIN" socket. - so if you are reading this you know I am a fool! But the sound now works.

Basically BOSE confirmed the reason for error 10 is that the main unit is not detecting the sub and speakers.

Anyway, I hope my foolish mistake, helps save time and blushes for anyone reading this link.

J.

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check the wattage of the speakers, they could be drawing too many watts from your amplifier, if you plug in a speaker that's more than the channel, it could harm your amp.
for example a 200 watt stereo, with 4 channels that equals 50 watts per speaker.

Hope this helps you out

Apr 01, 2008 | Audio Players & Recorders

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