Question about Toshiba 43HX71 43" Rear Projection Television

1 Answer

Red blinking light

I don't get a picture just a blinking light. Any suggestions?

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  • Anonymous Aug 24, 2008

    Having the same problem with the blinking light what type of trouble shooting needs to be done, power cord change?

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  • Toshiba Master
  • 8,617 Answers

Does the audi work? If not and the LED is blinking you have a problem with the power supply that will need to be trouble shooted.

Posted on Jun 18, 2008

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My 42 inch Panasonic Viera TC P42U1 was purchased in 2009. The picture was really nice and working fine. One day last week the TV stopped working. The only thing that the TV will do now is blink a red...


This is actually(And Sadly) an extremely common problem with the Vieras. The number of times it blinks is a fault code. 7 and 10 blinks are typically board failures inside of the unit usually being the power supply. It can be other things like a clogged fan freaking it out etc. If you search google you will see many cases of this problem and what each # of blinking lights indicates.

Things you can try at home are:

Unplug the unit for 20ish minutes. Sometimes this brings it back.
Did you install something else on the circuit? If you put for example a window air conditioner in place or something that is drawing alot of power it will not let the TV itself have enough power to run.

Sometimes if you are handy and have some soldering skill and skill using a multimeter you can check the capacitors and other components in the rectifying and filtering stages of the power board and replace them if they are bad for cheap. Capacitors would be the easy one to spot because they swell and look terrible when they go out. DON'T DO THIS IF YOU DON'T KNOW HOW TO WORK ON ELECTRONICS. OR DON'T FEEL COMFORTABLE. THERE ARE SOME DANGERS INVOLVED.
Otherwise if you have 7 or 10 blinks at a time it will need service.

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I would suggest to start by measuring the voltages from the power supply to the main/back light circuitry. If the voltages are low or jumping up and down, that means a defective power supply.
If the red light is blinking, the power supply has a shorted component.
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i have the same problem, differnt tv.

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it's for a 42w34 lg/zenith.

im thinkin power board, or Zsus..


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