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Lcd monitor comes on for a few seconds and goes out

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Any of the capacitor is loose on the main board and needs to get it fitted properly.

Posted on Nov 18, 2008

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I have a 52" RCA


The deflection board needs replacement. You need the PSB260 deflection board available from www.tvrepairworld.com

May 17, 2011 | RCA R52WM24 52" HDTV Projection Television

1 Answer

The picture comes on for a few seconds and then cuts off and then will periodically come on for a few seconds and then cut off again. Will the lamp cause it to do that, or is it a different problem?


U still have sound throught out the picture cut in and out?Yes,than the two long boards call the LCD inverter boards are dead.Replaced the two long LCD inverter boards will solved this problems.The"LAMP"indication LED light on the screen bazel panel,light up or flahes?Yes,the lamp life span is over,require the lamp replacement.

Jun 07, 2010 | Toshiba 56HM66 56" Projection HDTV

1 Answer

Wont turn on. Green light comes on for a few seconds, andthen goes back o0ff.


Hi if its a Lcd or Dlp rptv most likely its time to replace the lamp if tv is between 2-4 yrs.If you hear clicking it could be the ballast which is the board that powers the lamp.Make sure fans are running ok ,dust them out if they are dirty.God bless you!

Oct 07, 2009 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

Tv cuts on for a few seconds and right back off on its own


We had a Sony LCD burn out and display the exact same behavior. You have to isolate if your cable box/pc is even involved or if it's a power supply/backlit bulb issue or similar.

The way you test a Sony is to disconnect ALL cables except the power, power the monitor up and hit the Menu button to display the test pattern (it's a small box with some color bars with NO SIGNAL on the bottom since there are no cables connected). After a few seconds, this test pattern would also go black even though the green light on the LCD was on. So it was the LCD itself that was blown and nothing to do with the PC.

I'd see if your LCD has some sort of test pattern or test mode you can access in the menu's with no cables hooked up to see if it can hold that pattern for more than a few seconds before going blank. If not, it would be indicative of a burned-out or blown LCD rather than the box that is supplying the signal.

Aug 20, 2009 | Mitsubishi WS-65613 65" Rear Projection...

1 Answer

Tv comes on and goes off in about 15 seconds. red


Brand, Model, is it an LCD, Plasma, or Projection TV?

May 11, 2009 | Sony Grand WEGA KDF-50WE655 50" Rear...

2 Answers

Won't come on


hy i got a toshiba 42" LCD tv ,when i press the power boton
iget the red light,& it stay that way ontil i pressthe power back off
thanks for any help

Jun 26, 2008 | Toshiba 62HM95 62" HDTV

1 Answer

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.

Jun 03, 2008 | Sony Grand WEGA KF50WE610 50" Rear...

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