OK Gang here is a real interesting problem, when I plug my 51S-1 into the wall outlet it blows F1 (Main fuse) even with the rig turned off??? Have checked all the obvious stuff, diodes, filter caps etc. and see nothing that looks like it may cause the problem, any ideas??? Thanks & 73's Dutch Please visit my Collins web-site http://users2.ev1.net/~wb7dyw/ And my new R-390 Page. http://www.qsl.net/wb7dyw