Welcome to the N1IR Electronics Website. Totally off the cuff, one take, unrehearsed video projects for anyone interested in amateur radio, electronic design, makers, hardware hackers and science.

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Training the hand and mind since 1982.

Thursday, November 15, 2018

Students work on LCD TV

Hi just a posting were are fixing a 50 inch LCD TV. We found that the back-light LED was open, the left side of the LED strip behind the LCD had a bad LED. we tested the diver board and it was okay at 380 volts. The student learned how to troubleshoot high voltage power supplies safely, yes I did get a shock. Even with years of experience I get it once in a while, the important thing is keep one hand in your pocket while probing around high voltage, it can save your life.