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Lm k9550 The system is not working and LG does not have spare parts. The sound IC needs replacement

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: spare part for oxy3 system

I sought out the spare part I needed and fixed the problem.

Posted on Aug 27, 2008

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SOURCE: i need lg laptop sound drivers model no 'xnote lm

I would need to know what operating system you are running. I will assume winxp. To find out what sound devices you have simply go to control panel->system->device manager->sound and audio devices
A quick google will usually turn up the necessary drivers from here.

http://www.notebook-driver.com/lg/lg-xnote-lm40alm50a-notebook-drivers-for-windows-2000-xp/

Posted on Oct 29, 2009

  • 1 Answer

SOURCE: I replaced 4 each 2n3771 replaced lm 723 ic

Sounds like your filter capacitors are bad or weak and some 60hz ripple is getting through. If you have an oscilloscope, check the output to see if there is any ripple voltage.

Posted on Apr 06, 2010

  • 4234 Answers

SOURCE: ic 70413080 doesn't work and

This is a Peavey part number for an LM3080N or a CA3080 or generic replacement NTE996. Check in you local area for these parts.

Dan

Posted on Apr 20, 2011

Geekman
  • 32281 Answers

SOURCE: i need lg ibm lm-40

You can download the audio driver for your LG laptop from this WEB site.
http://www.notebook-driver.com/lg/lg-notebook-lm40lm50-driver/

Posted on Apr 28, 2011

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If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

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Hello
sounds like the memory IC to the TV has damaged. It is an IC, which stores all the cunsumer adjusted data, as digital signals, and retrives thme to the main system control IC, each time the set is switched ON.
It is an 8 solder terminal one, a small IC. Even though, its size is small, function of this part is very crtical, when the set works. This IC can be located very near to the main system control IC, and can be bought from most of the electronic spare part selling shops at your town.
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The sound on my toshiba theater view wont work i checked both the speakers and they are fine. Is this a simple fix?


hi,
If speakers are ok then the sound output ic of your tv is faulty. If you have basic knowledge in electronics then you can replace the ic. You can find the ic by following the wires from the speakers. It will end near the sound out put ic. The ic will be fitted on an aluminum heat sink. Note that number of that ic and get a new one from the nearest electronic spare part shop.For replacing the ic you need some tools like screwdriver de-soldering pump soldering iron, solder etc. All these thing will get from the spare part shop, if you don't have the same.Be sure to open the tv only after half an hour after dismantling the power because electrolytic capacitors inside it will store the power for some time.
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e037b2b.jpg

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I can not hear anything accept for buzzing on the spaekers wether I am trying to play radio, tape, cd or nothing at all.


Hello Sir, hi, the buzzing sound is a sign of an amplifier IC failure, this IC amp needs to be replaced. (this requires finding the spare part and soldering and desoldering that part, so a tech person is needed) have it serviced by an electronics tech guy.

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I replaced 4 each 2n3771 replaced lm 723 ic repaced tip 41c , replaced in416 Zenior it still busses when I turn it on


Sounds like your filter capacitors are bad or weak and some 60hz ripple is getting through. If you have an oscilloscope, check the output to see if there is any ripple voltage.

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I need lg laptop sound drivers model no 'xnote lm 50a'.solve this!


I would need to know what operating system you are running. I will assume winxp. To find out what sound devices you have simply go to control panel->system->device manager->sound and audio devices
A quick google will usually turn up the necessary drivers from here.

http://www.notebook-driver.com/lg/lg-xnote-lm40alm50a-notebook-drivers-for-windows-2000-xp/

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Algamal_engineer@yahoo.com


LM 2917
try thisone.
nuwan.

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