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My vzio tv has a black screen and flickers for 15 minute warmup before I get a clear picture

Could that be the T-CON Panel?

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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 Apr 27, 2017

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Posted on Jan 02, 2017

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SOURCE: No picture, sound works. Screen flickering

It sounds like the video output isn't
working its most likely a component
failure 1 thing you could try is connecting
a rca cables from video/audio out on the set to
another set vid/audio inputs to see if it the video gets
through.This is a problem that requires technical
knowledge and test equipment to trace the video
signeal

Posted on Nov 22, 2007

Adolph
  • 137 Answers

SOURCE: Flickering/pixelating screen on LTV-27w6 HD after 30 minutes.

Sound like dry goint on Power Supply bord. I had the same problem and resolder most of the parts of the power supply and TV was ok.

Posted on Dec 22, 2007

  • 52 Answers

SOURCE: model 42mf231d/17 42" plasma

If the loss of picture is either on top half or bottom half of screen. there are y buffer boards that go from top to bottom on left side of screen when looking at back that control those sections. when there is loss of half of picture then buffer associated with that area would be at fault and would need to be replaced. when i see a degrading symptom such as loss of picture on top half or bottom half leading to no picture issue normally you would check heat syncs on y sustain board and if not heating up after a few minutes of being turned on would recommend replacing y main and both y upper and lower y buffer boards as they complete a circuit

Posted on Aug 20, 2008

  • 267 Answers

SOURCE: Half of the screen turns black after 10 mins 46" Sceptre LCD TV

YOU PROBABLY HAVE DEFECTIVE LCD PANEL THERE IS A SLIGHT CHANCE IT IS THE MAIN BOARD OR THE LVDS CABLE

Posted on Apr 10, 2009

  • 8457 Answers

SOURCE: My tv has sound but the screen is black. At times

Ur LCD inverter board is dead.Must replaced the board.Usally a long board.

Posted on Jan 05, 2010

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I have a 50" Samsung tv. The tv turns on and the screen comes on, then within 1 minute the screen goes black. I can still hear sound.


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1 Answer

Picture with distorted,flickering, darkened area on rt. side of screen . Up to half of the screen sometimes. Sometimes looks like vertical hold is rolling some. Then will be clear with no or tiny amount...


There are several possibilities here.

To be able to help better we'd need to know the model number.

The most likely suspects are the T-CON board, one of the two backlight inverters and the display itself.

Of those only the last one is usually not curable.

Here's an example of a popular set of inverters that , when one goes bad you can get one half of the screen very dark:

http://www.coppelltvrepair.com/p/428/sanyo-dp42848-p42848-00-backlight-inverters-replacement-for-dark-screen-no-image-problem

On the other hand, if you have vertical shadows and some flickering that's probably NOT going to be a backlight inverter.

Flickering would be caused by either the T-CON or the panel.

Since a bad panel is mostly NOT curable you may want to check the price of a replacement T-CON and decide if it is worth taking a shot with one before you displace the TV.

Again, the thing to start with is the model.

Hope this helps.

Sep 06, 2013 | Sanyo 42 in. LCD TV

1 Answer

Vizio 46 inch black screen on left side


Sounds like you either have a faulty LCD panel tab, failed LCD driver board, LCD/t-con panel bad connection, or a bad t-con. You will need to get a diagnoses to be sure.

Dec 15, 2012 | Vizio VW46LFHDTV10A 46 in. LCD TV

1 Answer

My TV will flicker at times and go completly black for a period. I unplugged everything and let it sit for about 12 hours and the TV worked fine the next day. The following day the TV again flickered and...


The screen flicker than go blank,does it still have power to the tv set?Yes,than this cause only can be causes by only 2 boards in the tv can causes this problems,if tv power still stable for the set.The T-CON board it shorting out and dying for this problems to happen or worst case causes the Main board tv Tuner signal board it dying.The T-CON board the priced it is cheaper and could cause this problems too.Tries change this T-CON board first,see what happen.This board T-CON board sit at the bottom in the middle of the LCD screen panel to decodes pictures pixel before it go onto the LCD screen panel.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-CON board for the replacement.

Jul 27, 2011 | Samsung LN-T4071F 40 in. LCD HDTV

1 Answer

When I turn on the set, the right half of the screen is distorted. It flickers, different colors move from center to far right of screen, double images that appear as negitives and sometimes that half of...


Hi,
Symptom shows problem with lcd panel (screen) however, t-con board that is part of lcd panel could be defective and cause of these symptoms.
T-Con board is located at top center of cld panel at rear and would be covered with metal shield. There are three type of t-con board utilized according to lcd panel and are available in shopjimmy.com
Please check what t- con board is similar with your tv board to order it. If you are not handy with electronics stuff repair then local tv repairman will help you to replace t-con board that might solve your tv picture problem.
Thanks.

Jan 29, 2011 | Samsung LN46A550 LCD TV

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Less than 24 months old. Power up, has 3


sorry to say but your LCD panel is failing, and will have to be replaced sonys panels are expensive

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Flickering/pixelating screen on LTV-27w6 HD after 30 minutes.


Sound like dry goint on Power Supply bord. I had the same problem and resolder most of the parts of the power supply and TV was ok.

Dec 22, 2007 | Westinghouse LTV-27w6 27 in. LCD HDTV

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