Question about LG 42LH30 42 in. LCD TV

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Big white blur, cloud like, Center of LCD TV

Big white blur, cloud like, in the center of the screen inbetween frames, on a dark screen only. brand new 42" LG LCD TV

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  • guyanavi Oct 06, 2009

    Thankyou, I will try to replace it ASAP

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  • LG Master
  • 458 Answers

I have seen similar effects like this & it is usually due to a flaw in the screen. A replacement screen is the only cure.

Posted on Oct 05, 2009

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Posted on Jan 02, 2017

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Dark spot on tv


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD screen are similar, irrespective of its brand and screen size.

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If the model above is correct you are describing a bad optical light engine, about the most expensive part inside that set.
12_13_2012_10_16_08_pm.jpg

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If you wish to get some details; visit the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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My Sony Bravia 40 inch TV is just over one year old. When switched on, the right side of the screen is covered by a dark cloud like distortion the other side is OK. After bout 10 minutes the screen...


The T-con board,the board that sit right at the bottom right in the middle of the center LCD panel.That board is dying.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-con board for the replacement.

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1 Answer

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Unfortunately that sound like a defective LCD panel. You can verify this by plugging the system into an external monitor. As long as the shimmering band does not appear on external display then it is the LCD. If it is under warranty I would suggest taking it into Apple.

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I would check for dust particles before I attempted any type of repair on the unit.

Dust particles will appear as dark spots that are larger than the size of an individual pixel. It must first be determined if the particle(s) are on the LCD panels or the screen.

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1 Answer

I have a 32" LCD HDTV 1/2 of the screen is dark. SK32H2240S 5062580900051 Any suggestions? Where do I get parts to fix it?


1/2 of the screen being dark would usually signal a bad panel. A service center could check for U if it is a bad backlighting or the panel. Possibility that the panel may need replacing. Let me know how it turns out. You can check the website to see if you can get parts to fix it. Many tv makers don't seem to make parts available, desiring U to buy a new tv about every year. I would stick with the big name brands/Panasonic, Sony, Samsung./Big name brands are more likely to have parts available to fix a broken tv.

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1 Answer

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u need to replace the tv backlight. it can be done by urself but its kinda complicated its better to just tak eit in to a repair man. shouldnt be that costly.

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