Question about LG 32LC2D Television

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Lg lcd tv makes screeching noise when i turn it on

We have had this tv for over 3 years and it has been really good. Yesterday I turned it on and it made a really loud screeching noise. I turned it off again, waited and switched it back on. This time no screeching noise, but also no sound on the tv. After a few minutes the sound came back on the tv. All fine. Today again, switch tv on, screeching sound, turned off and on again, tv comes on no sound, but now the sound has just not come back. switched off, and the screeching noise is back.

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  • Lisa Feb 12, 2012

    occassionally we switch it on and it works totally fine. Another time we get the screeching, if i leave it screeching long enough the noise goes away. The screeching cannot be turned down with the volume or mute button. The picture is unaffected. Once the screeching stops, we have perfect picture but no sound, then after a few minutes the sound comes on and all is fine. We can watch tv normally then for anything from half an hour to a couple of hours until the volume will just disappear altogether again, and we have to wait anything from 5 minutes to all day for it to come back on.

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: LG TV

There is probably a bad capacitor on the power board, I had the same thing happen to my 42LB1DR after 2 years. T.V. would turn on and white power light would blink, no pictue and no sound. If your'e a diy'er, it is not that hard of a fix. Take all the covers off of the back of the tv(UNPLUGGED!!!), then look at all the capacitors on the power board. lcd_repair_4_bad_capacitors_lg.jpg
These are the capacitors, look to see if any of them appear to have a bump on the top of them. They are supposed to be flat, you can also tell if one of them has gone bad if there is an oily substance on the metal cover that was removed. If one of them is in question, carefully remove the board, and take it to an electronics store to have them sotter ?sp on a new capacitor. It ended up costing me around $40.00 to have this done. Good luck and if you are not comfortable trying this, than take it to a repair shop, but I was quoted around $450 to take the T.V. in. No Thanks

Posted on Nov 21, 2008

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SOURCE: 42 inch LG Plasma TV - Lost picture

try connecting tv to cable direct also try unplugging both converter and tv for wile like 5 mins plug both back in see if tv and converter sync

Posted on Mar 09, 2008

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SOURCE: LG 32'' LCD TV aspect ratio self switching

Not a real solution actually. The store where I purchased the TV changed mine with another one...
Regards,
Massimo Moruzzi

Posted on Nov 30, 2008

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SOURCE: frozen picture on LG LCD 37"

Try One of your working TVS and connect it to your cable outlet of the TV that is having problems. If that TV Does not work then there may be a degraded fitting or the Leg coming of the splitter to that outlet could have a Low Signal Problem
Next Take the First TV that was not working properly and put it on the cable outlet of one of the TVs that is working properly and if the TV set works on that Channel then you know it is not your TV that it must be the cable

Posted on Feb 28, 2009

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SOURCE: 42 inch LG Plasma TV - Lost picture

This is almost certainly the device that sends electricity to the the plasma in the panel after failing. Bring to your local repair shop and expect to pay 300-400 parts and 100-200 labour.

Cheers,
Stephen

Posted on Apr 28, 2009

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