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Hi: I have a Sony Japan model MBD-HX1P Plasma 42 inch TV that just made a "pop" and the screen went dark. No picture from any input. I live in L.A. now and have been running this on a 100 volt transformer (Japan residential voltage) since 2004. Any idea where I can take it to get repaired? Thanks. Bruce

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There's a good chance you have had an electrolytic capacitor blow on you - probably in the power supply section.
Any caps in this section that look bulged at the top, or bulged/leaking at the bottom or just plain disintegrated need to be replaced.
I
If you aren't tech savvy, keep reading, and watch the videos.

If you are handy with a soldering iron and can identify the power supply section (hard to miss, the power coming in hooks right up to it), 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.
http://www.youtube.com/watch?v=Mm51C_RDIZE
http://www.youtube.com/watch?v=BNHHrgX_6cs&feature=related
http://www.youtube.com/watch?v=8l0AUj8QUkg&NR=1&feature=fvwp
http://www.youtube.com/watch?v=Y7b_nTaZYcU&feature=related

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.
In the third video, the repair is carried out by a girl that had never soldered before!

Posted on Mar 28, 2011

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Posted on Jan 02, 2017

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