Question about Toshiba 46L5200U - 46in Class 45.63 viewable LED-backlit LCD TV

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Toshiba 46L5200U turn off

Won't stay on. Turn on for about 4 seconds and the big red toshiba logo sows on screen. Then the TV turns itself off. It does this every time I turn it on. I use the TV power button on the side as I lost the remote. What is the troubleshooting procedure? Is a PS, computer, or video subsystem? I have 30 years of electronics experience but no flat TV time. Thanks a million for any help!!!

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Http://www.fixya.com/support/t21733332-toshiba_46l5200u_turns_off_after_red

Posted on Nov 24, 2013

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6ya6ya
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Posted on Jan 02, 2017

dsacco86
  • 1077 Answers

SOURCE: TOSHIBA FLAT SCREEN TV has black screen but power light is on!?

Try resetting the TV by leaving it unplugged for an hour.
Plug it back in and check to see if it works normally.
If that doesn't work, rule out the Directv box by pressing the reset button near the access card. The box could be putting out a signal that doesn't have video or audio.
If everything fails, have the tech man come back to check everything that he did before you use the warranty on the TV.

Posted on Feb 20, 2009

  • 4 Answers

SOURCE: tv goes off once i turn power on.

I had the same problem with mine. One of the two fans were out on mine. I replaced the $9.00 fan, no problems after that. I fixed it myself after taking it to a Toshiba authorized repair facility, they said it was junk, can't get parts. They said buy a LCD. They never even took the back off of the set. Forty bucks down the drain for nothing. Nine dollar fan was all it was.

Posted on May 31, 2009

ripleymojica
  • 643 Answers

SOURCE: Toshiba 42HP95 TV turned itself off, red light blinking

has overheating issue try vacuming out the top and rear of tv. fan could be dead

Posted on Jun 02, 2009

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