Jerry K5LRU It sometimes helps to leave longer leads on toroidal transformers. That way each wire can be threaded through the PCB holes individually and pulled tight for soldering. Then cut off the excess. Arv K7HKL _._ On Fri, Feb 21, 2014 at 5:18 AM, <jerry@xxxxxxxxxxxxxxxx> wrote: > Waiting for a 78l05 and some toroids, which should be here tomorrow, and > my Mainboard will be complete. One thing I learned building it is that > the toroid transformers should be installed early while the board is > open, I waited until last, (I hate winding transformers) and had a hard > time getting the six wires into the holes. Jerry > > K5LRU > Harwood, Texas > >