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LG tv screen is flashing, model 55LB6100. How do I correct the problem

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  • yadayada
    yadayada Dec 09, 2016

    Hi Robert Burk, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?

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  • LG Master
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Try this youtube video not saying it will help you with your fault but have a look and see if it does.. Flickering TV Screen Repair LCD LED TV Picture Image Flashing...

Posted on Dec 09, 2016

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Posted on Jan 02, 2017

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Hi, my son has a LG 55LB6100. The screen flashes when turned on. Can you assist me in trouble shooting? Is it the LED power board or am I looking at replacing LED lights? Help please. Thanks, Lonnie


Back - light problem. 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://electro-medical.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.

Nov 25, 2016 | LG Televison & Video

1 Answer

My lg tv screen is black and wont turn on


Going to be a economic decision---not likely to be a do it yourself repair--consider taking to a shop for a estimate.

You might want to Google the model number with "parts" to see what boards are available and at what cost.

Aug 27, 2012 | LG 32LC2D Television

1 Answer

I have an LG model 37lc2d the screen is black but has illumination and no sound at all and the green power light flashes 16 times upon powering up?


Things to check: Make sure your TV is set to the correct input.
I DK about the light flashing 16 times but that could be a stuck key on your remote control. If you can, urn off your remote and try turning on by hand and going through the "INPUT" choices to make sure you have it on the correct setting. BTW, if your TV is 5 years old, you'll make the money back in no tie if you get a new "Energy Star" TV. The new Energy Star TVs run on very little electricity compared to 5 years ago.

Jul 03, 2012 | LG 37LC2D Television

1 Answer

I have a lg cineplus model RF-20CA30K. Sometimes tv screen goes black and then flash like on/off, then i push to him with my hand and screen goes normal. What is the solution


I have a lg cineplus model RF-20CA30K. Sometimes tv screen goes black and then flash like on/off, then i push to him with my hand and screen goes normal. What is the solution

Aug 15, 2010 | Televison & Video

1 Answer

When you turn on the TV the screen flashes through a sequence of red, green, blue, white & black screens. Unable to access menu & no sound. TV Model LG 27LC2D


Sounds like it's in a service burn-in mode. LGs need a service remote to de-activate. Probably easy for a local LG shop.

May 03, 2010 | LG 37LC2D Television

1 Answer

I have a 42 LG Plasma TV with a broken screen


NO....You must pay attention to all numbers on the back of the TV. Verify these with your tech or contact your LG customer support for the correct board numbers. If the screen was broken I doubt if you can repair this for less than it cost to replace. The screen for this one runs at about $650.00. Good Luck and good advice!

Oct 01, 2009 | LG 42PG20 42 in. Plasma HDTV

1 Answer

White speckly 'snow' on screen


y sustain board needs adjusting or replacing

Oct 10, 2007 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

Channel box appears on screen with "Mono" flashing. When this appears on screen remote will not operate tv. Also, if TV is turned off will automatically come back on in about 5 to 10 minutes


I have a similar problem with my LG LCD TV Model 42LC7D. Manufacturer has service bulletin on my problem, may have service bulletin for your problem also.

Jul 18, 2007 | LG M4200C 42 in. HDTV-Ready LCD Television

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