So I have a 50" Philips 50PF9631 ambilight plasma tv, about 3 years old from which I purchased from Circuit City for about $3800 3 years ago. I was talked into buying the 5 year extended warranty for the television. I really, really want to upgrade to a 1080p plasma or lcd, and $3800 will get me a decent tv these days. Now, this is a random question, maybe a unethical, but I'll ask anyway, as I'm curious. What would warrant a new tv (my understanding is, if they can't fix it, they give you a gift card for the original price of the product according to the warranty) that they would have to replace because it was "unfixable"? In other words, what can I do to the t.v. that would break it but make it not seem intentional? I mean, can I like "short" the circuit with a power surge or something, what can I do? I really want to take advantage of the warranty and upgrade to a better tv. I already have burn in issues and a couple of dead pixels. I don't want to hear how wrong it is and what not, but if you do have valuable information that might be able to help me out, I would love to hear your advice or recommendation. I know that I'm not the only one that has thought of this or done it. Thanks for your guys time!!
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It sounds that there is some loose contacts to some connections to your Plasma display. Almost all plasma displays will have similar configurations to display circuits, will change only with the size of the screen. If you wish to get some details http://electronicshelponline.blogspot.com/ Products powered by electricity
should be serviced or repaired only by experienced professional technicians.
Any attempt to service or repair the product by anyone else could result in
serious injury or death. If
you are not familiar with electronics, do not attempt to repair. Whether you suffer fatal electrical shock. Instead, contact
the nearest service centre.
Philips TVs tend to have issues with bad capacitors in their power supplies. Failing capacitors tend to have slightly different ESR (equivalent series resistance) values when they have been left off, versus after they are warmed up and charged up. Either a new power supply board or replacement of the faulty capacitors will fix the problem.
I had this problem on a 42" Philips Ambilight. After reading in another forum, opened up the back, and found 2 leaking capacitors on the center circuit board (main power supply pc board) toward the bottom. Tops of the capacitors were bludged out (10v 3300uF) and leaking electrolytes. Unsoldered the old ones myself, went to Radio Shack. They were out, so order 12 on ebay for $6.63 including shipping. Resoldered and works fine. Can't do it yourself? Take the board out (just unhook the cables & unscrew it ), and take it to a computer shop or tv repair or someone who knows how to solder, and have them change them. Piece of cake!
I had the same problem with my TV. It was a horizontal problem with different shades of color, and black spots. I replaced my Upper & Lower Y-buffer boards. Your Y-sus board should be okay since it still powers on the screen. You should replace the Y-buffers Upper & Lower, and it should work. I hope this helps.
You can fix this yourself with a software upgrade - get the upgrade from Philips website - go to www.usasupport.philips.com, enter your model number, click on the verison of your model ending in /37, and click on "Software & Drivers"; click on the link that says "Firmware Upgrade - Software".
Instructions are on the same page - make sure you only transfer the .upg file, not the entire zip file to a portable memory stick.