Question about Pioneer PDP-4280HD 42 in. Plasma Television
Looks like, it is a thermal shutdown issue. Try the following: Keep a fan and direct the air towards the bottom vent holes. Switch on the TV. Keep it on continuously for more than 2 hours and see if the TV shuts off again. If not, then it confirms Thermal shutdown. Check if you have kep any papers, cloth etc very close to TV. Keep the TV ventilated. Let there be air circulation. Here is the service manual for your set, it includes the trouble shooting guide and what the codes mean. There is a lot in here and these are not easy to come by, so look at it and you can decide if you have an issue that it covers or not. these things are not easy to diagnose over the web, but we do try. I just hate spending peoples money on repairs if I am not 100% shure of the issue.
This sounds like a heat issue because it comes back on, if it were a bad board they usually don't come back on when they fail.
Posted on Mar 26, 2011
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Posted on Jan 02, 2017
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