Samsung LN52B550K1F no backlight has picture has sound

[nomoresonys]

Re: Samsung LN52B550K1F no backlight has picture has sound

testing the inverter boards: https://www.youtube.com/watch?v=oE6K4xBVweA
https://www.youtube.com/watch?v=b36w2GNrH6Y
https://www.youtube.com/watch?v=vNIWtrEHYsc