Question about Philips 50PF9631D 50 in. HD-Ready Plasma Television

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The power in the house went off and now my TV will not turn on. I can't reach the power outlet due to the way the TV was mounted on the wall but I did shut off power to it for 2-3 minutes with no luck.

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  • jaxlaw1999 Sep 13, 2009

    I agree that is appears to clearly be a power supply issue. Do these TV's not have any type of fuse that should protect the unit from this? While I am sure your recommendation is helpful, it clearly is not for a novice to do and would of course take days or weeks to get the manual and troubleshoot as you have suggested.

    Anything else, or should I just call a technician?

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Hi,

You may have a power supply issue. What you need to do is to get the schematic for you TV. You can do this by calling the manufacture and asking for the service manual and the engineering diagrams for the TV. They will charge you but that is part of the cost of fixing these sets. After you have the schematic get a multimeter (you will need it to take voltage measurements

Now thru experence of 2 simular power supply units in the rear of the screen, I have found that in 2 cases that filter caps of 16 volt rating have swelled uo on top end and checked open or low capacitence and/or shorted. They appear to be under rated, voltage wise for the power supply.

On repacing the 16 volt rated caps with 35 volt rated caps fixed the probel..


Think this should help you

RATE THIS SOLUTION!
RNJ VINOD KUMAR .

Posted on Sep 13, 2009

  • Vinod Kumar
    Vinod Kumar Sep 13, 2009

    Even if its in case of problem with simple fuses all the fuses are present in the power supply, so any way you need to call the Service Technician to open and replace the fuses...sInce extra care must be taken in opening and handling the power supply unit



    RATE THIS SOLUTION

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