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Toshiba 30WL46B turns off when being turnt on

When i turn it on the screen goes black and wont do any thing help please

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

circuitworld
  • 335 Answers

SOURCE: tv turns on screen displays Please Wait then goes black

There's a problem with the power board communicating properly with the interface board aka 'main board'. There's seems to be a logic problem here _Data-Bus interference. This could be because of DC voltage shut down or an under-voltage condition on the power supply board. Also the serial data too and from the Timing control board could also cause a similar problem. You can send the power board and interface board too me and I'll repair the problem for you. Or if you have some test equipment I can show you what to test.

Get back too me when you can.


Please rate this answer :-)

Posted on Dec 05, 2009

  • 12 Answers

SOURCE: screen goes black but still sound

This is inverter or backlighting problem. Can you try switching it on and off quickly for a couple of times and tell me if these '2 seconds' get any longer'. If picture stays longer and longer before shutting down, one lamp needs replaced-if not, please replace inverter board

Posted on Jan 15, 2010

  • 1 Answer

SOURCE: montior goes black i turn

My monitor has been switching connections on me randomly. Hit the menu button. The one to the left of the power butter when facing the screen. Hit the left arrow twice then hit the menu button again. This will open up the screen where you can choose one of three inputs. I'm going to assume that it is on the incorrect input so use the arrow keys highlight what input you are using and the hit menu button again and your screen should return to normal. Mine only does this randomly when it goes into screen saver, hibernate or sleep. I don't know how to permanently get it to stop doing it though.

Posted on Aug 29, 2010

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Be Happy Always

Regards

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