Question about LG 47LE8500 47" 1080p LED TV with 240 Hz 47 in HDTV

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I have LG47le8500 TV the left side is faded dark just 1/3 of the LCD screen when turn on, after that the TV picture is OK. I think that the TV has backlight problems,but i have not know how to fix yet

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It is back-light problem itself. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Posted on Dec 15, 2016

Testimonial: "Thank you very much for your help. I found out that the power supply from Main board to TCon board is loosen connector that while it cannot supply enough the power to the back-light on the left side of the screen."

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Half the screen isa dark, left side


Most likely you have a faulty LCD panel tabs. This can be verified sometimes by turning set on and tapping or squeezing the top left side of the TV. The only true fix is to replace the panel. I've been told that Samsung may offer to replace the panel or give you a discount on a new TV. Samsung is know to have LCD panels with premature tab failure. So it may be worth while to contact Samsung and see what they can do for you. There are videos on youtube that show case the problems and show you how to patch the problem. just type in "LCD panel tab" in the youtube search box.

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Ok million dollar question , i have a jvc lt-47x788


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I heard a pop sound and now when I turn the tv on the picture comes on for a second and then fades away


Now,the tv is turn on,the picture come on only for a few sec.than died,you still have sound left?Yes,than ur tv have 1 or 2 a long board call the LCD inverter boards is dead.These 1 or 2 long LCD inverter boards help the LCD picture screen panel to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy those 1 or 2 long LCD inverter boards for the replacement.

Nov 22, 2010 | Televison & Video

2 Answers

Picture screen fades to very dark (almost black) beginning at about 2/3 from right to left. Right 1/3 of the screen has great picture. Have up loaded the latest driver.


DO NOT trash your TV!
It is nod panel bad, TV has bad Backlight Inverter Modules!
They come as a Kit and guy at
plasmatech@gmail has them for decent price.
Also he will give you full tech assistance if needed.

Aug 10, 2010 | Philips 47PFL7422D/37 Television

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The television just went black then slowly faded to white starting at the right side of the screen, what happened? now it wont work at all and fades from black to white like i described every time it is...


in examining your question here about going from black to white with no picture at all would thorw the backlight and inverters out of the question. Things to check here:

1. Decoder board
2. LCD panel itself

I have seen where a lcd whent dark because of a back light. but from dark to light and no picture leads me to beleave you have a bad lcd .

I hope this gives you some idea your going to need to have a repair shop fix it ether way or buy a new tv in this case. I do not see this as a common problem in sony bravia lines.

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1 Answer

My Vizio LCD TV screen fades to dark. Sound stays on.


I w having this same issue when watching a Blu-Ray disc. I found it to be dependent upon what picture mode the TV was set to. By this I mean certain picture modes would cause the TV to dim during dark scenes of a movie. Changing the picture mode helped a lot.

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1 Answer

42" LCD tv shows picture on only half of the screen,other half dark!


The T-Con board (otherwise known as LVDS) connects to two seperste parts of the LCD panel. If you do have half a picture (left or right) replacing the T-Con board should resolve this issue. Open your TV, find the part number and search on eBay or at sites like www.flattvparts.co.uk where you can search by TV model number.

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