I see you have answered a few of these and I need some help. My Philips 42PFL wont turn on. I get a red light flashing 5 or 6 times. Sounds like it might be the power supply? I dont have tech support or warranty where I live in Alaska. What should I do first? Check the capacitor for a crack and solder it if I can? What about that diode and FET? What and where are those things? Any help would be appreciated. Thanks
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Contact the authorized service center for Philips. If the TV doesn't turn ON, the most probable cause is with its main digital board. Replacing this board is a very skilled work, as it always need a firmware update. Firmware update procedure to Philips is rather more difficult than other brands; and not easly done by normal user. http://electronicshelponline.blogspot.com/
what power source u are talking about,u mean the a/c power cord?Yes,tries websites like Amazon.com,Ebay.com to buy a replacement power a/c cord.Or u mean the power supply board itself.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board.
Right now, your TV is in " Protection Mode". A damaged part has occurred inside on one of the power supply boards. The red flashing light is a trouble code for a tech to trace the trouble circuit path.
If you have electronic experience with circuit boards, you can find a Service Manual for the TV on the internet for less than $20. This Service manual will have the schematics, red light codes, circuit diagram, and part number list you need to fix the board.
More than likely it is a power supply type problem and could have multiple components bad. They are no fun to work on either, so I would either have it serviced (Expect $250-400) or replace it as the price of this size set has decreased dramically the last few months. To get a feel for what brands are more reliable, check out the last few issues of Consumer reports at your local library.