Question about Toshiba 50HX81 50" Rear Projection Television

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Toshiba 50HX81 projection 'tv- blinking red light

Red power LED light blinks off and on continously. The blinking is not intermittent or patterned. TV does not turn on, when plugged in makes a click in the rear of the tv, then the light starts blinking. TV is 7 years old.

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  • 3 more comments 
  • cvcduty Feb 11, 2009

    I have this same problem. It worked fine last night but this morning, I am faced with a blinking red light and nothing on the screen... What's going on?

  • Anonymous Feb 17, 2009

    i have the same problem no picture no sound. just blinking red light. it sounds normal when you turn it on but then nothing happens

  • Anonymous Mar 01, 2009

    Why hasn't anyone solved this issue yet?

  • Anonymous Mar 08, 2009

    same problem, blinking power button, no picture. Is it worth evenb trying to fix the TV or just donate it/junk it?

  • Anonymous Apr 18, 2009

    yep, I,m wachink a red blinking light instead of American Idol. What is wrong with this TV?

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  • 19,396 Answers

The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Posted on May 22, 2009

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