I have my K3- S/N 3278 open on the bench to do this mod. I find the via holes near C66 not open. They have been soldered from the other side. Is this an indication that this mod was down before it ship to me 7/10/09?? Or should I just tack on the resistor/diode to them? de K2GN/Larry K3 - S/N 3278