If it's a PCB replace it if it isn't too expensive. Better yet get a LED screen TV and be done with it!
SOURCE: Philips TV
Please PM me privately to tell you how to fix this problem... it's a bit lengthy.
SOURCE: Tv Won't come on green light blinks
All we had to do was unplug the TV and turn it back on after about 10 seconds. See if that works for you.
SOURCE: philips 50" plasma ysus board troubles
Check for shorts, blown fuses on ysus, if blown replace entire board, easier than locating many of the parts installed on the board.
SOURCE: 7 red blinking lights on tv
I had the Same issue. on a 50PF9431D/37 set. Many Plasma Set's use a LJ44-00118A PS-505-PH Power supply from Samsung. Known 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 connections. http://www.shopjimmy.com/power-supply-unit-lj44-00118a-from-philips-50mf231d-40.htm. Is a Link to a photo of the PCB. Make a note of the locations of all cable connections then unplug them all. Un-install PCB, Check all 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. Look to see if the Caps are deformed and or split at the top. 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.
42 plasma flashing blinking 4 red lights 42PF7321D/37 screen does not come on need help
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