Question about Samsung HP-T4254 42 in. Plasma Television
Started turning on and off by itself one morning. got worse within minutes. after unplugging it for a few hours it doesn't power up at all. help?
After installing the $11 kit and the additional $13 kit recommended by (http://preher-tv.blogspot.com/2010/01/samsung-hpt4254-no-power-repaired.html) mostly surface mount diodes (also available on Ebay), the Samsung HP-T4254 came back on, but would only play for 4 minutes. I found DX801 flowing both directions, replaced it with a diode from Fry's. Works great, $26 total repair costs :-)
Posted on Aug 15, 2014
Hi my name is Roety,
I hope I can help you with your issue ,
Sounds like you need a new mainboard.
Make sure you match it with the correct model/version number
If I have helped you with your issue please click accept.
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Posted on Sep 30, 2009
Try this step before purchasing power supply. I have serviced this tv before. Lay it flat plug it in and it should turn on,but once you sit it up straight it will turn off. I think there are faulty fairchild mosfet transistors or a firmware issue. I put a 1 inch thick book under the stand so it tilts up or down. I have not had a call from any customer since.
Posted on Jul 04, 2010
make shure that the computer is set up to display on the screen. To check and see right click on your desktop, click on the option that says screen resolution, and then change your settings from their. The tv will not register that you have a computer plugged into it if the computer is not sending the tv a signal.
Posted on Mar 05, 2011
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