Question about LG 42LC3R 42 in. LCD TV

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42 inch LG Plasma TV - Lost picture

Hi , was watching my 42 inch LG Plasma TV last night, when I heard a click noise and the picture went immediately but the sound remained fine, I could switch channels but no picture, would you have any idea what the problem is. thanks

 42 inch LG Plasma TV - Lost picture  but sound still can be heard! .

the sound is fine on my plasma TV however when i turn it on all I get is a really dark screen and dark shadows. I have the same problem of having sound but no picture. The only diference is that mine is a LCD 42LC3R. If you have any suggestions or have any idea of what is wrong with it, please contact me. My e=mail is supercooldragon@hotmail.com

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  • Mickybhoy Apr 05, 2009

    I have a 42 inch Philips LCD. It worked fine, however when switchig on this morning, no picture but sound worked fine. Tried all connections / Sky etc, still the same. TV is 13 months old. Can it be repaired cost effectively ?

  • erajani990 May 06, 2009

    have a 42 inch samsung plasma.heard a pop and lost the pic.what can b the cause of it.

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Most likely what happened is one of the capacitors went bad. When a capacitors goes bad it produces a popping sound. This could be an easy and cheap fix if you find the bad capacitor or capacitors. The bad capacitor will have a bulging top most likely on the power board but could be anywhere.

Posted on Jul 07, 2009

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Lcd 42 inch plazma 5v stb good when pres on relay no worke

Posted on Aug 15, 2014

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Posted on Jan 02, 2017

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42 inch LG Plasma TV Lost Picture


Hi it sounds like it has had an elctric fault like a resistor failing.
The click you heard would be a internal switch that cuts off the elctric supply to the screen to stop furthe damage hapening.
It could even be something simple like a bad solder and in that case will need locating and resoldering.
How old is the telly and how often is it used.
When you switch it off leave it off for about an hour then try again if you have allready done this then it probably is a blown resistor are you sure nothing has been pressed on controll have you tried seeing if you can acess the menu screen via the remote and see if that comes up on the screen let me know ok

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Hi , was watching my 42 inch LG Plasma TV last night, when I heard a click noise and the picture went immediately but the sound remained fine, I could switch channels but no picture, would you have any...


Sounds like a capacitor blew on one of the boards. Can you detect any burnt electronic smell? If the Cap blew on the Power Supply, you can either replace the Capacitor or replace the power supply board. The boards are between $79 and $149 depending where you get it. Some of the other boards, Y or Z Sus, are between $179 and $300. If you can't do it yourself, and with many 42" models selling for $649 to $899, it might be too expensive to fix.

You can find the boards on ebay or shopjimmy, youtube has videos showing how to replace them. Hope that helps.

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