In this video how to solve led tv low backlight problem by adding extra backlight driver board please like comment share this video if any improvement should.
Led tv backlight driver board.
If your outage looks similar to mine taking up 1 4 of your screen try replacing your led driver board.
If an entire quadrant of the led backlight on your tv has gone out it s possible that you have a driver board failure and not burned out led s.
Led tv is the same as lcd tv the only difference is that lcd tv uses ccfl as backlight and inverter as driver board but led tv uses leds as backlight and boost driver board as driver leds use dc voltage to work unlike normal leds the high power leds that used in tv works at 3vdc per led.
Backlight driver board single coil.