supersmallgiant
Member
Edit: Sorry, I was just trying to help a brother from getting beat down by the corporations...
I fixed my old samsung lcd by replacing bad capacitors on the mainboard of the tv... Had to open it, find the bad caps, desolder them, replace them with new ones from radioshack, and bam, perfectly working tv for like 5 bucks in parts and a little time.
You can determine if the caps have gone bad by noticing a bulge at the top, or even fluid leaking out the top, whereas good ones will be flat or depressed at the top.
It's subtle in the pic, but when you see it in person in 3D you'll be able to tell if they are flat or bulged pretty easy.
This may not be the problem with your TV at all, but its prolly worth a look inside. If you do need to remove the board upon seeing bad caps, just pay attention to all the connections and put them back right - snap a pic when you get it open and everything is still connected.
edit - I should add, my tv specifically started taking a long time to activate the screen after hitting the power button... After a couple months, it would just try forever without being able to get the screen on. After replacing those capacitors, it was back to turning on as fast as when it was brand new. Does sound kinda similar to your issue, so this is why i say its worth a look inside, especially being such a cheap fix.