Hello Geniuses in this video i'm gonna show you how you can test the zener diode, and lcd tv led backlight using old bulb
Led Tv Back Light Tester Led Tester Tool Tv Led Backlight Tester, You Can Make At Home its very Simple
Hope you enjoy this Simple innovation
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![](https://s2.save4k.ru/pic/rOruBVGSm9o/maxresdefault.jpg)