![I'm trying to fix the backlight of a samsung TV. How can I test this LEDs? How can I know the polarity? Can I break someting if I set up the wrong I'm trying to fix the backlight of a samsung TV. How can I test this LEDs? How can I know the polarity? Can I break someting if I set up the wrong](https://i.redd.it/im-trying-to-fix-the-backlight-of-a-samsung-tv-how-can-i-v0-hgx7jgc3r3eb1.jpg?width=4000&format=pjpg&auto=webp&s=a237703df758e10a7078e32064fac75b887ed2e7)
I'm trying to fix the backlight of a samsung TV. How can I test this LEDs? How can I know the polarity? Can I break someting if I set up the wrong
![Technician says all the backlight strips will be replaced even though I watched several videos where only replacing the bad LEDs works too. But they are saying this way the LEDs will Technician says all the backlight strips will be replaced even though I watched several videos where only replacing the bad LEDs works too. But they are saying this way the LEDs will](https://i.redd.it/1lmdlwbjc5p91.jpg)
Technician says all the backlight strips will be replaced even though I watched several videos where only replacing the bad LEDs works too. But they are saying this way the LEDs will
![Amazon.com: BASON LIGHTING TV Backlight, 9.8ft TV Light Strip for 32-58 inch TV/Monitor Backlight, SMD 5050 USB LED Light Strip with Remote, RGB 4096 DIY Colors TV LED for Gaming Lights, Ambient Amazon.com: BASON LIGHTING TV Backlight, 9.8ft TV Light Strip for 32-58 inch TV/Monitor Backlight, SMD 5050 USB LED Light Strip with Remote, RGB 4096 DIY Colors TV LED for Gaming Lights, Ambient](https://m.media-amazon.com/images/I/71DWcnelF1L._AC_UF1000,1000_QL80_.jpg)