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Published on Apr 24, 2013
This video is a warning to others about the problems I've encountered after purchasing boards that are taken out of used TV's that the sellers claimed were damaged in shipping or had cracked displays. I found that many times the sellers don't really know if their boards work, or will lie so they can make a sale. They may offer you a money back guarantee, but that doesn't cover your cost for wasted time, and since many people who order the boards are amateurs, the assume they ordered the wrong board, and don't bother to return the boards so the seller makes good money selling bad boards. Here is a blog I made on this problem, and some thoughts on how to avoid being taken advantage of. http://www.tvrepairinfo.com/the-probl...
http://www.tvrepairinfo.com/ This power supply board in this video is from a Samsung LCD TV Model # LN40D503F6FXZA. Some of the bad surface mounted transistors and zener diodes had no part numbers, and I could not locate a schematic on this TV. The power supply Board number was BN44-00440B.