Question about Samsung LN-T4661F 46 in. LCD HDTV

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Same problem My Samsung LNT4661FX/XAA is 2 years old and the warranty has expired. When i turn it on, it sometimes work, but more often the screen turns black after being on for a split second. I can still hear the sound. I called Samsung and they were of no help. Does anyone know what the problems is? I have read that it is possibly humidity related or some power inverters are shot. I've read that the potential repair is anywhere from $900 to $2000. As I stated, the extended warranty has expired and cannot afford to pay a grand for a fix. I figured that Samsung should stand behind their product, especially if this is a recurring issue. Any help would be appreciated. Thanks!

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I fixed my TV for less than $30.
Most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20. Search for the part over the internet with the part#.

I hope I shed some light on the subject for you.

Posted on Jul 02, 2009

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Http://techreport.com/forums/viewtopic.php?f=37&t=62360&st=0&sk=t&sd=a

seem like a lot of sammies are having this problem.. follow the link above and read about replacing the power supply board or the caps that have started to expand due to overheating.

same type of fix dsacco86 is talking about only more details and pictures.

Posted on Nov 27, 2009

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