[Elecraft] Question about jumper wire on control board

2012-07-30 Thread KC9QQ
There is a small jumper wire on the upper right hand corner of the control board. Is this wire shown on the schematic. If so where and if not where should it be shown. I developed an intermittent in my K2 after about 3 years and finally discovered that I had failed to solder one of this

Re: [Elecraft] Question about jumper wire on control board

2012-07-30 Thread Don Wilhelm
Fred, That jumper is *not* the cause of your intermittent behavior. There should be a U shaped jumper at least 3/16 inch above the board at both top corners of the Control Board as well as at two places on both the top and bottom of the RF Board. The purpose of those jumpers is to provide an