Question about Philips 50PF7320A 50 in. Plasma HDTV

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Blinking red lights

I have a 42 inch philips plasma w ambilight and the tv wont turn on. it has 7 blinks of a red light wen i attempt this. This happened a few weeks ago and we tried pulling cords out of the back etc.. and unplugged it. It ended up working all of a sudden for a few day and now it wont work again... any help would be greatly appreciated. Scott Blinking lights. What the heck does it mean?

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I had the Same issue. on a 50PF9431D/37 set. Many Plasma Set's use a LJ44-00118A PS-505-PH Power supply from Samsun. Know to have this common problem. If you can, or have a friend that can Solder components?. Unplug your set remove the back panel & locate your power supply. It will be the PCB in the center of the set just above the Video/Audio conections. http://www.shopjimmy.com/power-supply-unit-lj44-00118a-from-philips-50mf231d-40.htm. Link to a photo of the PCB. Make a note of the location of all cable connections then unplug them all. Un-install PCB, Check a Fuse first. I believe their is 5 or 6 of them on the PCB. Then replace the two 3300uf 10v 105C Radial capacitors at C8060 & C8059. The location of the caps are in the Lower bottom edge of the PCB. A local shop may Carrie them if not, digi-key has them. Part # http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=493-1754-ND. Total cost was $7 with S/H.

Posted on Jun 02, 2009

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I'm having the same issue on the 50". I don't know anyone that can solder, is that difficult to do?

Posted on Jul 28, 2009

  • b530 Jul 28, 2009

    Oh and mine actually blinks 6 times before blinking rapidly 3 times. What does that mean?

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Same issue here, 7 blinks. Thanks to "stampco8" 's solution, followed instruction and got the tv fixed. The two 3300uf 10v radial capacitors were bulged, which is an indication of bad capacitor. Found a local electronic warehouse sales the capacitor at $1.50 each. I bought the power supply unit with me to the electronic warehouse and have them check out the fuse, but I only found 4 fuse on my unit. All the fuse are still good and working. Then I removed the bad capicitors and solder on the new ones, install the unit back in tv, power it on and it WORKS as new!

$3.00 and a couple hours of personal labor and got the problem fixed. Thanks again to 'stampco8' detailed solution!

hint,
* I have nothing against radio shack, but they don't seem to carry the capicitors needed. I search on their site and visit a couple of their retail shops with no luck. But the clerk at the rado shack store's were very helpful. Advised me where to find it locally.

* If you don't know how to operate a multimeter, don't mess with it. Have a knowledged person check out the fuse for you.

Posted on Jun 25, 2009

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