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Panasonic Viera 50" flatscreen won't

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The flashing light is a service code for the repair tech. You have a board failure on the set and it needs to be looked at by a qualified repair tech. Very common issue these days. Bad capacitors were used in the making of these sets and they are failing, making it a pain for all owners. Better hurry and get itr repaired if you want to keep it, cause electronics parts are starting to dry up since the earthquake in Japan.

Posted on Mar 24, 2011

  • Norman Skinner
    Norman Skinner Mar 25, 2011

    There's a good chance you have failing electrolytic capacitors either in the power section or the inverter section or both.
    Any caps in these sections that look bulged at the top, or bulged/leaking at the bottom need to be replaced.
    If you repeatedly turn it on, eventually it'll probably stay on, but every time you turn it off, the TV will get harder and harder to start up until one day it just won't.
    Sometimes you have to do the opposite to start it up and unplug it for 5 mins, then try.

    If you aren't tech savvy, this unit needs to go in for repair.

    If you are handy with a soldering iron and can identify the power supply and inverter / FM section for the backlights, an inexpensive handful of capacitors will likely fix you right up.
    Match the capacitance on the capacitors. Go over voltage if you can, and still have them fit.
    IE - it's not a bad idea to replace a 10V cap with a 16V or 25V or even a 50V, but don't replace a 680uF cap with a 500uF or a 1000uF (unless you are positive it's only doing ripple filtering, and even then, you should go OVER, not under the uF rating).

    Most of the caps that go are 10V 1000uF or 3300uF.

    I found some great videos of the procedure (for many Samsungs with the same issue) on youtube.

    As you can see, this issue spans plasma TVs, as well as large and small LCD TVs and monitors.
    The parts are cheap, and skill required is minimal.



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