Samsung tv wont turn all on the time

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My research indicated that the problem is related to the power supply over heating. My wife suggested that we place our small 6" fan behind the tv. We did & the tv has not shut off for three days. Hope this works for you.
Marc & Alicia

Power board is bad.. I had the same issue.

poke it open, you'll find bloated capacitors at power supply board. biggest one, with power cord pluged into. replace with thesame value(s).
you good to go!
don't lie, next time! your set has been acting up fpr a while, before it quit. Remembering: few attempts to turn it on, then it works!
good luck.

need replaced power supply

go here and fix it yourself for less than $10
www.earthinfo.org/samsung-tv-makes-a-strange-clicking-sound

I have this TV. My father in law tried to turn it on one day and it started making a clicking sound and never came on. So he went out and bought a new tv and gave it to me. It came on when I brought it home and worked for a couple weeks. Then just the other day it stopped working. When you hit the power button the light around it blinks four times and then you here a clicking sound. TV does not come on. Took the back panel off and I don't see any damaged caps or fuses.

The connector board inside the tv is the one has circuit traces already broken. there is nothing outside the tv can be done. The HDMI conector is high end technology solder. finally the solution is to replace the conector board inside the tv.

Try first unplugging power cord for 30 minutes or more.