Question about LG 37LC7D 37 in. LCD HDTV

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Picture freezing and discoloration!

I am having the same issue as everyone below. When I begin watching TV the screen freezes but the sound continues. I turn the unit off then back on and it does the same thing after a few minutes. Now recently I turn the tv on and the colors are mixed up primarily the red and green and it still freezes even when watching a DVD. I don't know what I should do if its worth getting fixed or buying another unit. Any help would be appreciated. The tv is just over a yr old.

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Hello,

This is due to a buffer issue, to be more precise, the signal that comprises the picture and the audio are streams of data that go into a buffer and then into the processor. When the signal is at the proper level and the stream is not corrupted the image on the screen is ok, but when the signal is not at the proper level and the data stream becomes corrupted the pre-processor throws parts of the data away, and feeds the rest into the buffer wich goes into the main processor. Herein lays your problem if the main processor rejects the data or the buffer runs out of data due to the preprocessor throwing away data also you will get the screen freezing and pixelation (the square blocked dsicoloration you are talking about).

Now that we know what the problem is how do you fix it. First of all I would suggest following the owners manual procedure on downloading the software patch/upgrade for this TV. Then after using the software patch/upgrade, see if this helps. If not then you have a hardware issue. I have seen this problem caused by dried out or damaged filter capacitors (thes capacitors filter the DC voltage and if they go bad ther could be a relationship between the "dirty voltage" and the corruption of your data.

I any event I would suggest that you have a qualified TV technician repir this TV for to avoid any damage that may result from a missed procedure or lack of TV repair knowledge.

I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

Posted on Jun 27, 2009

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