Question about Toshiba TheaterWide 62HM94 62" Rear Projection HDTV

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Toshiba Theatrewide I turn the set on and get sound and no picture. The red power light is on steady. I don't know where it start. I'm a certified computer tech, certs from all the OEMs, but no television experience.

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Re: Toshiba Theatrewide

If the light is on a steady red, thats an indication that the lamp is bad, or the lamp circuit is bad. If you replace the lamp, and the set still does not come on, this is going to be a tough one if you are trying to trouble shoot it without a manual. You can get a manual here Start with the power supply, and see if the regulator is working. If so move on to the lamp ballast circuit. If you need an owners manual, you can get one from here Good Luck

Posted on Aug 13, 2007

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Toshiba Model 57H81 Rear Projection TV - Purchased 11-09-2001

Problem: Toshiba 57H81 Flashing Red Power Light, No Picture/Sound, Blown Fuses F850 + F852

Symptoms January, 2009:

  • Upon turning on set I got flashing red power light and nothing else.
  • Removing plug for one minute and plugging in results in:
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    • Pushing power button results in steady red for about 2 seconds then slow flashing red light, no other set activity
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  • Possible related note: Over past several months occasionally the entire screen would flicker momentarily and at other times be problem free for weeks.
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Repairs Made:
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    • There are two main power supply capacitors in this set. They are C-809 and C-810. One their negative lead on the printed circuit board re-soldered leads and nearby contacts. I’m told that because the factory left out a printed circuit board eyelet, the connection will come loose over time. When I called Toshiba customer service they said there was a known solder joint problem causing blinking red light.
    • Replaced blown fuses F850 and F852.
      • I actually installed a fuse panel on the inside of the cabinet and routed the fuse connections here instead of ordering the special fuses and replacing them on the circuit board.
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      • Used a fast blow 2 Amp for F852.
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  • Less than ten dollars at Radio Shack for fuses and fuse panel. Already had wires, etc.
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