I downloaded the latest firmware update 'FantomX678v107.zip' from the roland fantom support page. I had the USB connected and noticed the 'FANX USER' drive showing up whenever it came on.
I seriously cried, I loved this thing and thought all was lost, but then i remembered imma embedded systems engineer by trade and can fix ~anything~. This time I wiggled the CCFL supply wires while it was on and the LCD went white (but still dim), rebooting i got the dredded "Fatal error. This worked great until i let it sit for ~ 5 months. I cut off the connectors and soldered the rubbery high-voltage cable directly from the long extention to the shorter ones comming from LCD and covered the connections with heat/shrink tubing. Firstly I removed the small PCB from back of LCD which just passed thru CCFL power. Been having them, is how i got this thing - previous owner gave it to me because "screen doesn't come on". I too was having problems with dim display. Ich hab exakt das gleiche Problem, schön, wenn jemand weiterhelfen könnte.
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