Samsung QN55Q75CNF - Additional Backlight Test

4-1-3. Additional Backlight Test
55 / 65 inches

CNL801



If TV Powers On but BACKLIGHTS OFF1.
BLU_ON 9 


B350 Vdc 9 B-GND REF

9

If 305 Vdc is OK & BLU_ON is OK• 
9
2.
 9


3.
-
-
Backlight Supply 9 



Backlight Drive 9 


4-5
