Thanks for that, ill be sure to avoid using that UV stuff because I'm trying to keep costs to a minimum. I don't have a smartphone or access to a camera, but I made a brief diagram as to what's going on with my board. I understand the photo in question isn't an S9 but it was the best image I could find to demonstrate my problems with - https://yourimageshare.com/ib/reQSt7Dd4k

Just for more clarity, the red squares are exposed copper with solder on, I can't remove the solder even with a soldering wick or pump.

In the purple square the circular copper hole you insert the power plugs too, one ring is missing.

I think I can see from the products you share, that the pads consist of 3 of these holes and must be laid underneath the green stuff. I thought they were singular pin holes! so your already helping