1
The first components to go in are the three
capacitors.
Insert them into the three dashed circles from
the bottom with the short legs in the holes
marked with a “ - “
2
Flatten the leads on the board...
... then clip off the excess.
Cut the legs so they are just on the outside of
the pads. Too short and the will fall out. Too
long and they might touch another pad and
cause a problem.