LG 55GA6450 55" LED TV No Backlight

[train137]

The high voltage on the LED driver board is ON approx. 1 Sec then drops to 24 volts. The LED 1-6 test points start at 12.5 volts and drops to 4.3 volts after 1 Sec. Is this a symptom of a bad driver board or bad LED strips?

 

[train137]

MERGED QUESTION
Question from train137 : "LG 55GA6450 No LED Backlight"

The high voltage on the LED driver board is ON approx. 1 Sec then drops to 24 volts. The LED 1-6 test points start at 12.5 volts and drops to 4.3 volts after 1 Sec. Is this a symptom of a bad driver board or bad LED strips?