Don: After poking around, I am leading toward D5 of the Front Panel board installed backwards. From the schematic, this would prevent bank 1 of the switches and the power knob from functioning properly and would, I think, also affect the keyer operation. I have looked for a photo of this board on the Elecraft site but the one they have is the 1999 board. If that circuit hasn't changed then D5 is indeed backwards. I can't see the silkscreen patterm on my board anymore as the diode covers it too well and it is too stiff to move. From the schematic, however, I am sure it's backwards. Thanks again for your help! Brian http://home.comcast.net/~b.denley/index.html
----- Original Message ----- From: "Don Wilhelm" <[email protected]> To: "Brian Denley" <[email protected]> Sent: Sunday, June 27, 2010 10:48 AM Subject: Re: [Elecraft] K2 Initial Tests > Brian, > > You didn't say anything about the buttons not working before. First step > is to re-flow the soldering on the entire front panel. > > 73, > Don W3FPR > > Brian Denley wrote: >> Don: >> Thanks and I will resolder those connections but it bothers me that none >> of the buttons respond at all. Only the encoder seems to work properly. >> Brian Denley >> http://home.comcast.net/~b.denley/index.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
