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Toshiba 46l5200u turns off after red logo

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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Check this out....
http://www.fixya.com/support/t21733332-toshiba_46l5200u_turns_off_after_red

Posted on Nov 24, 2013

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Posted on Jan 02, 2017

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SOURCE: TV turned itself off, won't turn back on

I had the same issue with my 42HP95 after about two and a half years. Same symptom, red flashing power light, reset doesn't work and most of all, the last day of the Ryder Cup starts in 3 hours. Any other time (with exception of SuperBowl Sunday). I frantically searched the web for like symptoms and came across someone that posted the fix was to bypass the Seine Module but I had no clue what that was! So what do you do? Tear off the back of the TV and look for something that says Seine on it... Right! After that failed and 500 screws later, I decided to look for a Service Manual online. Nothing like RTFM (Google it!). I paid my $11.99 for a download Service-Manual.Net and found what appeared to be the Seine Module (SEIN). Through a little trial and error, here is what I came up with. The pic below shows the location of the said Module in the red rectangle.

78c6772.jpg I ultimately found that if I unplugged the connector from the module (in red circle) and put it in the cable management loop (other red circle), the TV would power on and has been working ever since.

b95521a.jpg
According to the post I read (grains of salt) the SEINE Module is only needed if you are using coaxial type (rabbit ear) antenna. I personally don't know but it works for me. Granted, this is my experience and may not work for you but for $12, I am a happy camper. BTW, what a Ryder Cup!!! USA USA USA!!!

Posted on Sep 22, 2008

  • 1 Answer

SOURCE: Samsung flat screen wont turn on red light just flashes..

wont turn on red light just flashes?
On my samsung flat screen tv when you are watching the televison there is no red light on the power button but when you turn the television off the red light stays on all the time? what can I do to turn this light off?

Posted on Oct 29, 2008

  • 8457 Answers

SOURCE: last night watching tv, picture cut off (black

Power supply board is dying not giving the tv correct voltage anymore.The power supply board,that the board power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Posted on Sep 10, 2010

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

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