![]() TG on Retrotechtacular: Building The First Computers For Banking.HaHa on Ku-Go: The World War II Death Ray.Ergotron on Hackaday Prize 2023: Circuit Scout Lends A Hand (Or Two) For Troubleshooting.Matthias on A Little Bit Of Science History Repeating Itself: Boyle’s List.Share Your Projects: Leave Breadcrumbs 17 Comments Posted in Repair Hacks Tagged lcd, lvds, television repair Post navigation ![]() ![]() Top image: the AUO-manufactured controller board inside the LG-branded TV. Naturally using a board with HDMI inputs would be nice, but it does show how a ‘broken’ TV can be turned into a really nice, big monitor without all too much effort if it’s just the controller board that went on the fritz. In the end it turned out that the AUO boards and screen were fine, and after sourcing a board to convert VGA input to the LVDS signal accepted by the TCON board, the whole display worked. After some initial unsuccessful swapping of the parts with EBay replacements, nothing was (surprisingly) working, but it did turn out that the TCON and inverter boards are made and sold by AUO (major Taiwanese display manufacturer), along with the display itself. In addition to the LG controller board, an inverter board and the power supply board, this TV also contained a TCON PCB. The nice thing about these TVs is that they are very modular inside, as also discovered to his delight. That is, until those stopped working as well. As describes in the blog post along with videos (see first part embedded after the break), this particular television had been taken to a television repair shop previously after the HDMI inputs stopped working, but due to a lack of replacement parts the owner had to make due with the analog inputs still working. Who can say ‘no’ to a free TV, even if it’s broken? This was the situation ended up in last year when he was offered an LG 39LE4900 LCD TV.
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