Pioneer avic-x3bti?

Hi i have a Pioneer Avic-x3bti system,i have taking it out of my old car to put it into my new car.One problem, i have no power to the unit,there is power all the way up to the unit but its still blank wont even turn on.Anyone have any ideas before i deside to send it off for repair? Also does anyone know where i could get it repaired too?

Thanks