lost hope on my samsung UE32EH5000

[johnfi91]

my samsung tv recently turned off while i was watching news the tv went black.after searching a little bit with a flashlight i saw that i had image but the leds didnt turned on to display the image!!after that i changed the leds>power board>main board and it didnt fix anything at all..i connect the tv the led blink 3 times and then the tv opens but its still black...i can still see image with the flashlight but the leds for some reason dont want to turn on!!any recommendations on what should i look next??thanks in advance!!!