Congrats. One less monitor in the landfill! I strive to repair all I can. On Thu, 30 May 2019 at 13:41, D. Hugh Redelmeier via talk <talk@gtalug.org> wrote:
> My 39" UltraHD TV, the one that I used as my main computer monitor for > almost four years, stopped working. > > The symptom was that it just would not turn on. The status light below > the screen stayed red, meaning something like "standby". Normally it > turns blue when I'm using it. > > Googling and watching YouTube videos convinced me that there was a chance > that I could repair it. LCDs seem to have certain standard PC boards. > > - T-Con (timing control) > > - power supply > > - processor > > - LED light & video driver > > Replacement boards are reasonably inexpensive, apparently from chop > shops (i.e. they buy broken TVs and sell the working parts). > > This shows someone fixing my model of TV. > <https://www.youtube.com/watch?v=XD7rIEgYULI> > > From my research, it seemed as if the most likely problem would involve > the power supply module. I could get one for US$~20 + ~$20 for shipping. > > I opened up the monitor and examined the entrails. There was a burnt spot > on the power supply board. I posted my problem to the BadCaps.com forum > and got encouragement that a little bit of solder would fix the board. I > tried this, and it worked. At least for now. I'm using the monitor to > compose this mail. > > <https://www.badcaps.net/forum/showthread.php?p=898646> > > I spent several hours researching and perhaps an hour disassembling, > soldering, and reassembling. It might not have been worth that time given > the value of the monitor ($350 original price, but used for 4 years and > obsolete). I find it satisfying to fix a hardware problem, even though > I'm a software guy. > > Summary: not all hardware problems are hard. > --- > Talk Mailing List > talk@gtalug.org > https://gtalug.org/mailman/listinfo/talk >
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