> I am almost certain that I have seen cheap, brown, > production single sided boards that did not have > plated holes populated with components whose > leads are impossible to bend as MC suggests. Made in China, most probably. > May have been a VCR? More likely cheap radios, toys etc. > In the SnPb days, I helped built single sided non-PTH > boards with DB25 connectors. Hundreds were built, > and as far as I know there were no failures due to the > DB25 losing connection. The "DB25 losing connection" failure due to single sided soldering is very hard to reveal because it is not 100% losing connection. It may look and measure fine even if a pin is getting loose in the SnPb cone. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist