Question about Samsung HP-T4254 42 in. Plasma Television
How good are you with a soldering iron? This problem on this TV is usually the faulty connections on the SMPS. Most likely all the parts on the board are good but sometimes ICQ805 is also faulty(most likely it is just the solder connections). You can try heating one area of the board at a time with a hair dryer and see if it stays on for longer. Sometimes you have to heat then freeze to prove the malfunction. IMPORTANT: If you are not good with a soldering iron or don't have a steady hand, LET A PROFESSIONAL DO THE REPAIR. The SMPS is a very delicate circuit and can be easily damaged. If you do this repair incorrectly you will be forced to replace the whole board.
Posted on Nov 08, 2010
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Posted on Jan 02, 2017
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