Question about LG 42LC2D 42 in. LCD HDTV

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I HAVE A LG 50PX4D TV I WAS PLAYING MY XBOX 360 AND HEARD A LOUD CRACK AND THE DISPLAY HAS GONE OFF BUT THE SOUND IS STIL WORKING CAN YOU HELP ME PLEASE

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  • djhilite Jun 28, 2009

    Hi there thanks for getting back to me, as far as i can tell there is no damage to the screen, its like something inside has blown. Might it be a fuse or something to do with the display ?

  • djhilite Jun 28, 2009

    I HAVE A LG 50PX4D TV I WAS PLAYING MY XBOX 360 AND HEARD A LOUD CRACK AND THE DISPLAY HAS GONE OFF BUT THE SOUND IS STIL WORKING CAN YOU HELP ME PLEASE

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Hello!!!

Hi
in this case maybe you have blown Filter capacitor in RGB area or RGB Supply this unit needs to diagnose maybe the RGB section is the defective..

Thanks!

Posted on Jun 28, 2009

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  • Master
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Has there been any physical damage to the screen, I assume there could be one as you mentioned hearing a loud crack noise..If so then you will need to replace the screen which will be quite complicated to do unless you have the expertise and the required tools.

Posted on Jun 28, 2009

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SOURCE: I have A LG 50PX4D TV the display has gone off

Most likely the tv has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If its under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.

I hope I shed some light on the subject for you.

Posted on Jun 28, 2009

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Most likely the tv has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If its under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.

I hope I shed some light on the subject for you.

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MY XBOX 360 AND HEARD A LOUD CRACK AND THE DISPLAY HAS GONE OFF BUT THE SOUND IS STIL WORKING CAN YOU HELP ME PLEASE


The most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.

I hope I shed some light on the subject for you.

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