Thanks, One of the pins is not connected and the other one had a larger track going from it, so I guessed that it might be a backlight and applied +5 to it and lo and behold the display illuminated. Regards Ben Please respond to PICLIST@MITVMA.MIT.EDU To: PICLIST@MITVMA.MIT.EDU cc: (bcc: Ben SUFFOLK/EN/HTLUK) Subject: Re: Samsung lcd (SMC - 2024A.) The other 2 pins are somtimes for an led backlight check and see if they goto the 2 pads at the end of the glass !