neilc6 • 2 yr. ago. Backlight issues are 99% the backlights themselves, especially if the TV has been running at the maximum backlight level which will burn them out faster. Your model may have 3 strips. 2 angled and the straight one with 12 or 13 LEDs. Not too diificult repair on a 40 in tv though you still have to be careful with the Re: UE3204010 Backlight problem, led ok on CNM803, check the blu-on/off pin, so meter set to dcv, black probe on chassis ground, red probe on that blu-on pin, check in standby[tv plugged in but off], take note, leaving the probes where they are, power on tv, take note, does the voltage change and what is the voltage. 2. Disable the Energy Saving feature. Locate this setting under “Settings” in the main menu. Turn Energy Saving off to prevent your Samsung TV from automatically adjusting brightness based on Place the Back Cover: Carefully position the back cover onto the TV and secure it with the screws. Tighten the screws appropriately, avoiding over-tightening to prevent damage. Power ON the TV: Plug in the TV and turn it on. Check the screen for any remaining white spots. Vay Tiền Nhanh Ggads.

samsung led tv backlight problems