Question about Altec Lansing Multimedia Computer Speakers

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Circuit of Altec lansing PC speakers

i need circuit details of altec speakers, i want to replace some comaponent with recent my own design components.

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Re: Circuit of Altec lansing PC speakers - Altec Lansing Multimedia Computer Speakers Computer Speakers

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Posted on Jan 17, 2008

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I need a circuit schematic for Altec Lansing amplified speaker system 121

You can always try the manufacturer but I would not hold my breath. Try to google it - that is a better choice since perhaps others have also had hassles and ................

Aug 09, 2015 | Altec Lansing Computer Speakers

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My problem is when i turn up the volume of the speaker it will just turn off. tnx

Your altec lansing need to be open, because it has a loss connection on the power supply part of its circuit board. that is why when you turn up the volume it turns off because it produces vibration enough to shake the circuit board which has a loss connection.

1. Prepare the following tools:
* soldering gun/iron / soldering lead and a magnifying glass
* open your altec lansing cover enough to see the circuit board
2. Try to examine the leads on the circuit board, try to share some of the spare parts make sure it is not plug to live outlet to avoid electric shock.
3. if you see some spare parts shaking try to resolder it.
4. Then close back the cover.
5. Then test your altec lansing

Jul 11, 2011 | Altec Lansing ACS 45.1 Computer Speakers

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I plugged my 110 volts Altec Lansing speakers into 220 volts :( How can I fix it? Please help me. Thank You.

Check fuse, but if there wasn't a fuse , your Altec need repaired to fix broken components in power circuits, could be the resistors, diodes or even transformer.

Jul 03, 2010 | Altec Lansing BX1020 Computer Speakers

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No power in my altec lansing S100 121i 2.1 speakers

troubleshoot the transformer and try to replace the Opamp (UTC458) on the circuit board. the Opamp might be broken and shorting the circuit and fry your transformer. goodluck.

Jun 26, 2010 | Altec Lansing 121i Computer Speakers

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Only one speaker works - altec lansing computer speakers ADA215

The solution is actually quite simple, due to a design flaw. Altec lansing designed a rather cheap mini din plug-in which can either be replaced or repaired depending on your skill and patience level. Your ground contact is fine BUT the positive contact is not making connection due to the fact that the plastic housing has broken away and pulled the contact with it. This can be super glued back into place or just replaced with a new mono minidin plug-in.

Mar 09, 2010 | Altec Lansing ADA 215 Computer Speakers

1 Answer

My altec lansing mx5021 speakers problem

The problem I have found is the contact glue between the back panel and circuit board inside the sub woofer. The glue becomes conductive after some time (2 years..!!) and needs to be scraped away from across tracks, you can tell the problem areas as the glue is pale yellow but goes brown and conductive over time. Good luck.

Feb 18, 2010 | Altec Lansing MX5021 Computer Speakers

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Finding replacement Power Supply for Altec Lansing

Hi Yeo...
Amazon offers pretty much power supply products, click on this link Finally charging for our multi device world and choose your model.
I hope this was helpful.

Feb 20, 2008 | Altec Lansing Multimedia Computer Speakers

2 Answers

Output board for Altec Lansing ADA995

I had the same problem. One day I heard two pops and the speaker, including the power light, were dead. Neither Dell nor Altec Lansing support them. They're throw-aways, unless you know a genius electronics technician.

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