I'm the proud new owner of a smoothieboard, and am having a bit of trouble with the GLCD so I was hoping I could get some help. I have a "Robotale" GLCD that I purchased a few years ago, and was intending to use it on the new board with the GLCD shield. I noticed that on my GLCD, the keys on the connectors on the back face down instead of up like the newer ones seem to, so I re-did the ribbon cables to compensate for the key on the connector facing the wrong way. I also removed the 5v diode from the shield and installed an onboard regulator.
Unfortunately, when I power the board up I get the screen lighting up and something in the back gets very hot, but that's all I get. Not sure what else to try, and since I can't find much info on this screen, I can't tell if maybe it's an old revision that's just not compatible or something like that. Any help would be appreciated!