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My tv has been powered off for a month and finally I went to power it on and ittyrns on but the screen is white. What is going on?

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  • 110 Answers

Need to know your TV manufacturer and model number. You, having that info can get detailed instructions a user manual in a readable PDF format. To do the search, and with the carefully typed information, type it in to a search engine window with the quotes, e.g., "Manufacturer Model Number" "user manual"
Of course, replace your own TV's manufacturer in place of the word there - same with model number.

Maybe that will get you the help you need.

If no physical damaged occurred, i.e., lightning, surges to damage circuits, then a reset may do the job.

Good luck.
A

Posted on Dec 03, 2016

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5 Suggested Answers

6ya6ya
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Hi,
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Posted on Jan 02, 2017

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jrweighing
  • 183 Answers

SOURCE: I have 40? LCD Samsung flat screen TV model:

check power supply capacitors..i repair these every day and the power supply is prone to faulty capacitors..the capacitors should have flat tops and if they are bulging or leaking brown fluid, replace

Posted on Oct 17, 2009

  • 18 Answers

SOURCE: Sharp 26'' LCD HD screen went white, sound is fine

Go ahead and try unplugging the video (yellow) cable and plugging it back in.
If that doesnt work, do you have any spare video cables try those.
Then unplug your tv for 2 mins and hope for the best.
GOOD LUCK.
CNBY

Posted on Jun 03, 2010

SuperTech-11
  • 1591 Answers

SOURCE: one day my tv was

There's a good chance you have failing electrolytic capacitors either in the power section or the inverter section or both.
Any caps in these sections that look bulged at the top, or bulged/leaking at the bottom need to be replaced.
If you repeatedly turn it off and on, eventually it'll probably stay on, but every time you turn it off, the TV will get harder and harder to start up until one day it just won't.
Sometimes you have to do the opposite to start it up and unplug it for some time and then try again.

If you aren't tech savvy, don't worry, read the rest of this solution and watch the videos.

If you are handy with a soldering iron and can identify the power supply and inverter / FM section for the backlights, an inexpensive handful of capacitors will likely fix you right up.
Match the capacitance on the capacitors. Go over voltage if you can, and still have them fit.
IE - it's not a bad idea to replace a 10V cap with a 16V or 25V or even a 50V, but don't replace a 680uF cap with a 500uF or a 1000uF (unless you are positive it's only doing ripple filtering, and even then, you should go OVER, not under the uF rating).

Most of the caps that go are 10V 1000uF or 3300uF.

I found some great videos of the procedure (for many Samsungs with the same issue) on youtube.

http://www.youtube.com/watch?v=Mm51C_RDIZE
http://www.youtube.com/watch?v=BNHHrgX_6cs&feature=related
http://www.youtube.com/watch?v=8l0AUj8QUkg&NR=1&feature=fvwp
http://www.youtube.com/watch?v=Y7b_nTaZYcU&feature=related

As you can see, this issue spans plasma TVs, as well as large and small LCD TVs and monitors.
The parts are cheap, and skill required is minimal.
I get mine at www.digikey.com online for less than a buck a piece plus shipping, and they usually arrive next business day.

Posted on Jul 13, 2011

  • 333 Answers

SOURCE: hi i have no power going to my tv when its plugged into to power

Look for a reset button

Posted on Feb 23, 2013

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Sharp 26'' LCD HD screen went white, sound is fine


Go ahead and try unplugging the video (yellow) cable and plugging it back in.
If that doesnt work, do you have any spare video cables try those.
Then unplug your tv for 2 mins and hope for the best.
GOOD LUCK.
CNBY

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