Question about Akai PT46DL10 46" HDTV-Ready Television

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Flashing white lights on screen

About every 30-45 seconds it looks like flashes of white light appear on the screen. The lights are not steady and disappear right away and are on random spots on the TV. If I turn the TV off it doesn't happen for a while but does eventually return. This all depends on how long I keep the TV off.

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  • rich416 Mar 21, 2008

    This is for a AKAI Model # PT46DL10.

  • lanrob Jun 18, 2008

    AFTER ON FOR ABOUT 20 - 30 MINUTES, STARTS A FLICKER/FLASH. IT IS NOT STEADY BUT DOES IT EVERY 5 - 10 SECONDS.

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  • 317 Answers

Tv needs calibration.

Posted on Aug 03, 2008

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6ya6ya
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Solved by resoldering some solder joints!!!!!!!
********
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
  • Removing power cord for several hours and plugging back in made no change
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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.
  • Fuses F850 and F852 found blown

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.
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