KB2142

Hi, to all I finished my sammichSID build but only the backlight on the LCD isn't working. It is a standard one shipped from wilba's batches whitch is a high current one i guess. I first tried the 5v approach whitch gave me readable text but not very bright and no backlight. So i thought it maybe needed more power so i switched jumper to 12v with no luck. And i'm using a regulated 12v 500mA with would normaly do. Tested voltage before poweron and all tests passed. It is crazy my backlight had never lit up i read post where it worked for short while. The problems with LSD sammichSID is jumper to 12v and brightness pot over 12 o'clock. The extra current may burn T1 or backlight is that what happened to me? If that's the case i might have noticed smoke or could see the backlight going out. Uploaded firmware and patches sounds very good maybe a bit noisy but great analog sound. So can anybody help? I will post some pics soon made MIDIbox SID V2 earlier now i have 2 sid modules. It has none i think the A(Backlight +) K(Backlight -) not connected with led visible on the print. So is it possible to solder a led on it myself without breaking something. What led can i use for this 25mA 5v it is recieving right? Thanks