Mitsubishi WS-55511 55" Rear Projection Television Logo

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Posted on Apr 21, 2008
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Power problem Unplugged tv for the week I was away on vacation. I returned and plugged set back in. Green power/timer LED flashed rapidly for about a minute as it usually does when power is restored. Now the TV does not power up. No LED, nada. Zilch. Unplugged then plugged back in after a few minutes, same thing happens. Pressed system reset in with paperclip, same results as unplugging and plugging back in. The set is five years old. Is this a power supply problem? Thanks! Sigdigit

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  • sigdigit Apr 25, 2008

    I fixed it! Before I received your possible solution, I read another HDTV forum suggestion that due to possible switch "bleed", try running your finger back and forth along the row of buttons on the front of the tv several times. I did so figuring this was just a buch of mumbo jumbo and guess what? It worked! After my second pass of sweeping the buttons, the power kicked on and it has been working properly ever since. Beats the hell out taking the set apart! Thanks anyway Dan.

  • fijiraider Jul 05, 2008

    The tv wont turn on i unplugged it for a week tried system reset button still wont work green light keeps flashing rapidly any solutions

  • rperello Jul 08, 2008

    First problem: Unable to adjust volume. Second problem: The Set-Up menu would appear suddenly on the screen during a TV program. Third problem: Unable to turn off TV with and without remote. I was only able to turn off TV by pushing the Reset Button. TV was unpluged for 15 minutes. The green flashing light appears for about a minute after re-plugging power to the TV. Unable to turn on TV with and without remote. About 6 months ago I had a convergence problem which was repaired for $480 by an authorized Mitsubishi Repair Service. What do think is the problem now?

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  • Posted on Jul 26, 2008
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I got the same problem. I push the buttons on the front of the TV several times. The TV works. Thank you very much!

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OMG!! I had the exact same problem! I unplugged the TV to paint and it stopped working with a flashing green button. I ran my fingers along the bottom of the screen and it actually worked.. wow THANKS A TON!!!

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  • Posted on Apr 22, 2008
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Most likely the convergence ICs are bad. These aare large black ICs attached to a heatsink. They will be marked STK393-110 and have about 15 pins or so. Replace these and check the fuses marked F9A01- F9A06 on the same board. Replace any open fuses after the IC replacement and report your results here.
Dan

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