Obviously you don’t know about the vias as that is what I was referring to in the thread I directed you to. This is a picture of vias soldered to on a V10 which are just as small at the V9's but closer together.
I know it’s not a very good picture put you get the idea.
@Hull_chipper I'm not trying to knock your drill bit method in any way as I haven’t tried that method, but isn’t there the chance that you could actually drill out the via? To clean out the hole it’s self after I have scraped it lightly with my exacto blade I just use a needle which I guess performs the same task as your drill bit. Also scrapping lightly with the blade wont expose the tracks like the fider glass pen also. It just seams kind of hairy sticking a bit in there and turning it. But really any of these methods could result in damage if not done with caution. Hey also Hull_chipper did you get my last PM get back to me in PM if you can.