Yezz !!
I replaced Q501, it was not the easiest task, but I got it done.
Now everything is fine !!
Input current at 9V is 125mA, at 12V it is 100mA with backlight on
Put another feather in your hat John !
(I dont know is this swedish saying is translatable to english, but I think you grasp the meaning...)
73 de SM5EIE / Gunnar