Question about Toshiba 43A61 43" Rear Projection Television

1 Answer

Toshiba 43A61 - No Picture, no sound

While watching TV (Toshiba 43A61 Theater View), picture and sound just quit. When I turn TV back on, power switch comes on then begins flashing. Still no picture or sound. Unplugging set has no effect.
Does anyone have idea of cause. Estimate to have repairman fix? Would cost be worth fixing or should I throw away and replace entire TV?

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  • Anonymous Jun 10, 2008

    sound with no picture

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  • Master
  • 4,402 Answers

If your set all of a sudden won't come on, e.g., the screen is blank, but the LED on the under the screen next to the on/off switch keeps flashing, then there may be an internal fault on the set that needs to be reset.
To force the reset, try this:

  • Unplug the set and wait a few seconds
  • Replug and see if the video returns
Whenever the set senses an internal fault through its monitoring circuitry, it essentially shuts down the set. The flashing LED provides the indication that a fault has been detected. Removing power to the set resets the monitoring circuitry. When plugged back in, the circuitry again does a check of the system. If it finds that there truly is a problem, then the set is shut down and the LED will again flash. In this case, you need to call a service tech. Most of the time, however, the unplug/replug routine is enough to get the set up and running.

Posted on Dec 11, 2007

  • Cary Farah
    Cary Farah Dec 11, 2007

    Sometimes the # of times it flashes gives the repairman a hint as to the problem.

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Two things to check on these when you get a black screen and only the power light, either a bad bulb or a bad fan. You can check the bulb, pull it out and get a meter and check for continuity across the two pins on the bulb, no continuity the bulb is blown. Also once you have the bulb out you will see the cooling fan in there, a vacuum and a air compressor to blow it out good is helpful. Check the bulb, clean it well, and try again. The blown fuse could also have been due to a stuck fan or blown bulb, i have seen the bulb blow and take out the fuse before on projection TV's, i have also seen cooling fans so full of dust and crud that they are stuck and drawing more amperage then they should and popping the fuse. I assume the 1.5a fuse that blew was on the mainboard inside? Some have an external fuse near the power cord input as well, but thats generally more then 1.5a.

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