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Samsung PPM50H3Q 50 in. HDTV-Ready Plasma will not power on.

I have a Samsung PPM50H3Q 50 in. HDTV-Ready Plasma Television. It will not power up. When I push the power button the lad blinks red. Any ideas?

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  • mboyce4 May 05, 2010

    I have 2 units, the one doesn't power up, the other has a red line horizontal through the screen. I can swap parts to try and fix the one that doesn't power up. The led blinks 9 times

  • mboyce4 May 08, 2010

    I swapped power supplies and it works great! Thanks for your help!



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Could be a power supply failure or a control issue. I would take the unit to a repair shop and see if they can provide you with an estimate. You could try to buy a replacement power board and install it on your own if you are mechanically inclined.

Posted on May 05, 2010

  • Dan  Larson
    Dan Larson May 05, 2010

    you can take the power boards from the one with the bad screen and swap them into the one that does not turn on. The process usually involves the removal of screws to gain access to the boards. I recommend having the service manual close by when you do the work. the manual should contain a dis assembly procedure.



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I replaced the main power board... got a multimeter from HomeDepot to test where the power was failing. Found the part @ for under $300. If I had taken it to a repair shop it would have cost $300 just to open the back cover & then parts & labor.

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