NEC MultiSync LCD screen base power

Hey LCD ppl, I got a NEC MultiSync LCD300
from ebay without the base /w builtin power supply and i'v been tryin to figure out what it takes to power it. i'v tried 5v, 12v, and 24v. Can someone out there that has taken one of these apart or has information about this tell me what i need to power it?
Thanks! :cool:
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