Is a very annoying problem, just started recently.In certain time without any reason- is switching off by self.When the monitor goes dark-switches off, the power light blinks 3 or4 times and after become steady red. Sometime can be switched back, with picture, sometimes not at all.Any idea?
Sounds to me like your internal cooling fans are not working. Try placing a fan behind your tv and seeing if it stays on longer. If it does then you'll know it's a problem with these fans. Not expensive to fix but not easy to do either.
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This isn't an easy fix, it sounds like your power supply board is bad or there is a main board problem. I'd suspect a faulty power supply capacitor or heatsink missing, but you have to bring it in to a tech to know for sure.
It's the problem of overheating in the power supply board of the TV.on the power supply board of the TV there are few capacitors and IC.any of this ic is got short or may be weak.so due to this when you start the TV the current passes from electric outlet to the power supply board of TV.but when the current passes from that weak/faulty part at that time current gets stopped or slow and the board overheats and TV shuts off. this is a common problem faced by many other users too.the possible option to solve this issue is to check the power supply board by a meter and continuity tester and replace the faulty component on the board which is short due to which power supply board is getting overheated.its bit technical job but yes its not at all a costly repair to do or get it done by the technician. for required parts it can be easily available from local electronic hardware shop.
Hoping this will help solve the problem of the television.....
When ever either the Z or the Y main goes out, all of us service co's replace the Y main, Y up/lower drive boards and the Z at the same time. Now you will have to start all over. I just had a Samsung 50" that required all 4. It is a must with Plasma sets. Hope this helps.
Depending on the events leading up to what happend...
Was your plasma tv recently transported or moved from one area to another?
One thing about plasma tv's if you lay them horizontally or has been tilt at a certain angle they will have problems projecting any picture. PLASMA tv's should ALWAYS stay vertically standing. you can let it stand where it should be for atleast 24 hours ( i recommend upto 48 hours) without plugging it in.. (no electricity what so ever) then check if it works.
About the click you heard, it might have been a blown fuse. Probably resulting from plugging in the tv while it was in a "chemical inbalance". therefore my above recommendation is a bit too late. if you still have warranty then you have no problem. just the hassle.
When using a hd connection on a philips tv and (I am assuming this is the case) the tv disables the format features on the tv and only lets you select widescreen and automatic, if you are using hd adjust the picture size from the cable/satellite box, look for it in the box's menu system or on the remote, it is usually labeled, aspect ratio, zoom, format or something to that nature, hope I helped you