I searched online and didnt find the exact parts I needed, However, my estimate for the LED strips were £200 - £300. Given the complexity of stripping the screen (you have to go in from the front, layer by layer) also there are edge lit LEDs too. really not worth it, a 2 man job to dismantle the screen and you could end up spending hundreds just to find it still isnt right. A new 70" can be had for less than £600 so not worth the faff. If there are only 2 LEDs not working wheres the picture then? clearly not as simple as popping a couple of LEDs in. I have fixed a number of LED/LCD TVs and to be honest would not entertain LED replacements. I have a tester that can light up the backlighting and prove drivers etc and other than that its often a diode in the PSU board. Good luck
