Is it economical to try to fix failed LED Cinema Display?

I have a 27" Apple LED Cinema Display that I bought as a refurb from Apple and has worked very well for several years (or so). It is now out of warranty. As of today, the screen will not illuminate. Although it still powers my new 15" MBP, the MBP doesn't 'see' the display. I tried resetting the PRAM and even connected it to a Macbook Air--same result. Black screen.
Question: is it even worth taking it to Apple for a repair estimate, or will the amount of the estimate push me to just buy a new display?
TIA,
Clarkosaurus

As it turns out, when I moved it to a different outlet, it worked fine! Odd that the charging light on the magsafe adapter would turn on but not the screen, though. Canceled my new Thunderbolt Display order in the nick of time.

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Is it economical to try to fix failed LED Cinema Display?

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