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I have a 46inch samsung lcd model LE46M51 when switched on it flashes on for about 2 seconds then the screen goes blank, there is still power and sound.

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SOURCE: Screen powers up then goes blank after 2 seconds

Hi, was there a resolution to this? I am experiencing the same problem with LCT3285TA purchased at Radio Shack in Media, PA. Radio Shack has refused to service the unit and has put me over to Akai for the manufacturer's warranty. I'd like to know what to expect and if this problem with the Logo coming up and the unit shutting off/restarting can be easily fixed, thanks.

Posted on Jan 29, 2008

wayez3
  • 20 Answers

SOURCE: NEC 19'' LCD monitor power on but screen blank

If you can try it on another unit , If it still does not work, Then the most likely culprit is a bad power supply. If you know any thing about soldering replace the capacitors they are probably bad but being that these things are being built so cheap.It could also have a bad inverter. not repairable by average dude.If you open it be careful and do not attempt unless you feel comfortable with a solder Iron.Hope this can help you Good Luck. www.IrionsTVshop.com board re builders.

Posted on Feb 29, 2008

SOURCE: HANNSPREE YT0837E2 37" LCD TV

Same problem.

Posted on May 05, 2008

  • 1 Answer

SOURCE: SONY LCD GOES OFF

Try turning the tv off, then unplug the tv from the wall for at least 60secs. Plug it back in. Turn it on and see if the blinking has been reset to normal.

Posted on Jun 04, 2008

Pyrhyc
  • 2028 Answers

SOURCE: logik tv lcx27wn2 sound but no picture

the only info I could find on this is one withthe same problem. Replacingthe monitor had no effect and the store exchange it.

Posted on Jun 18, 2008

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This does not seem to be a power supply issue but rather an issue with the backlight inverter board. When the screen goes black, take a flash light and focus it on the screen from a close distance and several angles. See if you notice a very faint image. Try changing the channels to make it more noticeable. Try it and let me know

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1 Answer

Samsung 940mw monitor ringing then blank screen


Hello,

The Samsung SyncMaster 940MW monitor has an issue with the power supply going out. The flashing power light or not turning on are the classic symptoms of this issue. Check out our web site at: www.ccl-la.com Look on the monitor repair page 2. We have a step by step repair guide posted that will guide to doing the repair yourself. It involves changing a few capacitors on the power supply. If you can solder then you should be able to do the repair yourself. If you don't want to do the repair we do offer a repair service for $35 plus return shipping. If you have any additional questions just let us know at: tech@ccl-la.com

I hope this helps, if so please rate our solution.

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My Acer LCD Monitor AL1707A goes blank after 2 seconds


Try this,
When laptop on booting immediately press del.
And the screen will run normally.
But if the screen is still white, force to press power button soon.
And it will shutting down.
After shutting down, repeat this action.
It will work.

Vincent-Jember

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1 Answer

Monitor L17AMTN flashes WinXP desktop, then blanks.


dmellman, Before you open it up, try this! With fully booted pc and WIN DESKTOP screen up, reconnect the L17AMTN . Have a bright flashlight handy so that when the lcd screen flashes on for 1 second and then goes dark, you will want to check to see if the desktop remains on the screen even though you think it went away. Shine the light 1-2 inches from screen at different angles. Has the desk top completely disappeared or is it still being displayed? Do you know about Cold-Cathode-Fluorescent tubes and their Inverter type power supply? I assume that this unit also has a "lay on floor black box switch-mode-power-supply" that is supposed to supply raw 12v-14v dc to the monitor? This symptom is typical of lcd monitor power supply failure, and or inverter board failure. Not to mention the fact that the CCFT's could be a bit tired from use. YOUTUBE has some videos on taking apart lcd monitors. also do search on web for "bad caps on lcd boards" or "bad caps in lcd monitors". I should think that this Tatung might suffer from swollen cap-itis. get back to me with results of your investigation. Im louie12fix on fixya or lmistyrel@aol.com just nrth of Windy City

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1 Answer

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Do you have the video set to a range that this display cannot handle? Try rebooting into Safe Mode and set the resolution down to 800x600 or 1024x768 and see if it that will get you back. If so, then look up the specs of the display and set it no higher than it's max.

If it physicaly powers OFF, then you probably have a power issue.

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Can you see the menus on the screen?
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If you can hear sound but no menu we need to check the backlight.
Take a flashlight and shine it on the screen, look very closely at the screen.
Do you see a video image?

Let me know what happens, I can assist further.
lone99star

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2 Answers

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