This looks like an LED backlight model. Power supply is separated. Parts of it can work while other parts don't. Bad backlight is either the power supply or the actual LED strips. If you want to take the risk, order the power supply. If that doesn't fix it the backlight can be fixed or replaced but the risk and difficulty is very high.
Good day guys, im working on a Samsung LED backlight tv, the problem i changed one blown LED and it ran for couple weeks, when I open it for backlight problem again its the same LED that i changed blown again. i think its not the right voltage, but that is the only ones i have from another strip (i just cut it and wired it to the strip on top).
It does indeed sound like a backlight issue. Look closely at the dark part of the screen, with the TV on, and see if there is a faint picture or not. With the LED's, if they are having this
The power board model is BN44-00774A. Backlight should light up with the main board cable disconnected from the power supply. If they don't, suspect LED strips though shorted LEDs have been known to cause failure in Samsung power supplies as well. Tricky to confirm without a LED tester. Tried, no backlight.
The 65-inch model I tested currently sells for $1700 / £1399 / AU$3499. To give that price some context, a QN90C with the same screen size sells for $2,000 while Samsung’s regular Q80C QLED
Options. SecretCeremony that looks like a backlight array issue. Either the caps are falling off or the LED’s are not lighting up properly. We’ll need the complete model number for your TV to see if this is a common issue. If so, you can repalce the LED array but it’s a bit tedious since you will have to disasemble your panel.
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samsung led tv backlight problems
