If you're careful you can get the synthesizer boards out of the radio without removing the subRX. I just got done installing the stiffeners onto my synthesizers and didn't have to remove the subRX to do so but you do need to remove the 2 Meter internal transverter if you have that.
Also when you do this mod if you need to make sure that you do NOT install the resistor where that document tells you to. Instead use the location that is outlined in this document: http://www.elecraft.com/manual/ELECRAFT%20KSYN3%20Stiffener%20Mod%20Rev% 20D.pdf As you read that second document you'll see that it shows you moving that resistor to a new location. I personally recommend just changing out the resistor with a new SMT part of the correct value (thats what I did). But I just wanted to make sure you had a full picture of the mods. Actually to ensure that you have a full picture while you have the synthesizers out you should also perform this mod: http://www.elecraft.com/K3/mods/KSYN3%20DDS%20Gain%20Modification.pdf Have fun! ~Brett (N7MG) On Wed, 2010-06-09 at 21:27 -0400, Gary Smith wrote: > Iain & Brett, > > Thanks for the speedy replies. I will check it out. I did get my K3 > right around Dec 20 08 (my birthday). What is interesting is this has > never come up before and I have used the K3 utility to calibrate > several times. I did make a few 24MHz contacts in March so it was > working fine then. > > I do have the 2nd Rx & always hate to have to remove things any more > than necessary but I do need this working. > > Thanks for the link to peruse. > > 73, > > Gary > KA1J > > > When was your K3 shipped? If it was shipped before Dec 22, 2008 > you may > > need to apply this modification to your radio: > > http://www.elecraft.com/K3/mods/ELECRAFT_Application_Note_KSYN3_ALC_Rev_A.pdf > > > > ~Brett (N7MG) > > > > On Wed, 2010-06-09 at 21:02 -0400, Gary Smith wrote: > > > Hi, > > > > > > Haven't been on the air much, the K3 has been unplugged & antennae > > > disconnected just to protect against lightning possibilities. Last I > > > used the rig, I was mostly on the lower bands, rarely 15 meters or > > > above. > > > > > > just for fun I went to check my butternut HF9V to see if there were > > > any issues on the bands and when I went to 12 meters I get ERR PL 1 > > > and on 10 meters I get the same flash message and there's no > > > transmit. 6 meters is fine as are all other bands. this is confined > > > to 12 & 10 meters. > > > > > > I reloaded the current firmware and get the same result. I used the > > > elecraft utility to calibrate the transmit thinking that might be the > > > issue but it failed when it got to 24Mhz. > > > > > > Idears? > > > > > > Thanks, > > > Gary > > > KA1J > > > ______________________________________________________________ > > > 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 > > > > > > > > > ______________________________________________________________ > 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 ______________________________________________________________ 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
