Our tv screen will go blank after watching for a few hours. We can then turn it off for 30 minutes or so and turn it back on and it's fine for another half hour up to several hours. This only happens to component items (i.e. Tivo, game consoles, etc.) but not to our PC which is run through HDMI. Seems like something is overheating then cooling down? We bought this tv about 2 years ago, warranty is over.
Is this something we could fix ourselves or should we take it to a repair shop? It's not easy to transport a 52" rear projection tv. I appreciate any help!
Have a sears technician come over ,call them and set up an appointment, they are the best techs out there for tv issues, they will come out even if you did not buy the tv from them. Most of the Sears tv techs come from Philips which closed down their tech shop a while back.
It sounds like you have dirty or faulty fans on your board. please advice.
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You may have a component failing in the red drive stage possibly the blue as well or even the quadrature stage. A can of cold shot should help narrow the search considerably. It is also possible the red and blue projection tubes are nearing the end of their service life as well. If you have the means to test the tubes themselves, check the red and blue tubes for gas.
YOUR TV HAS A CORRUPTER MICRO CONTROLER
YOU MUST GO TO A SERVICE CENTER THE SERVICE CENTER WITH A SPECIAL TOOL THATS AVAILABLE BY PANASONIC WILL REPROGRAMME YOUR EEPROM THIS SHOULD NOT COST MORE THAN 100 DOLLARS IT IS NOT NECESSARY TO OPEN TV
Turn power on.
Press and hold the volume down button on the TV.
Press and hold the "split" button on the original remote.
Hold both for for over 5 seconds in power condition.
Counter will reset and lamp indicator will go out.
Last Saturday evening, I experienced the exact same behavior on my Panasonic PT-52LCX65; it shut itself off without warning. I turned it back on, and it shut itself back off after about a minute, and the red "Lamp" LED on the TV began blinking.
I never got any warning message that the lamp was about to go out, but I've just replaced the lamp and now the TV is working just fine. We had to mail-order the new lamp, because neither H. H. Gregg (where I bought the TV on "Black Friday" 3 years ago), Fry's Electronics, nor Best Buy carries the part locally.
My wife found the new bulb WITH its holding apparatus for something like $120 online, roughly half what other sites were charging. We paid roughly $55 for UPS Next Day Air. The first bulb that was sent arrived broken (some UPS rep apparently thought "Fragile" meant "Shake and Drop"), but the company we ordered from cheerfully rushed us another one, and the second one was in much better shape. (Panasonic doesn't pack these replacement bulbs very well; there's a heavy bulb with a lot of air around it that Panasonic doesn't fill.)
More details available if anyone wants 'em. Hope this helps. -- ChuckE
It sounds like you have a Convergence Circuit concern, with PAN replace with originals (STK392-110), using different "TYPES", ( that you may see on some sights, DO NOT), will draw too much current and you will have premature failure.
Good Luck, big IRISH.-