Did you get your radios before Dec 22nd of last year? http://www.elecraft.com/K3/mods/ELECRAFT_Application_Note_KSYN3_ALC_Rev_A.pdf
~Brett (KC7OTG) On Sun, 2009-07-05 at 13:38 +0200, Evert Bakker (PA2KW) wrote: > Hello, > > > > As temperature rises (in the shack), FP (34 degC) does, and a problem > popped up; ERR PL1. > > > > I did check the PLL voltage. PLL1 = 7.5 (which seems to be the limit I > guess), PLL2 = 3.5 (Sub-RX) at 28 Mc and FP 34 degC > > > > When FP was 22 degC: PLL1 = 3.8 and PLL2 = 3.4. > > > > After recalibration of the VCO, is gives E00272 / ERR VCO. 28Mc not useable > anymore and an unstable PLL1 Voltage. Even 24 Mc needs about a second to > give a go-ahead. > > > > I did open the K3 as to check connections of all the coaxial > interconnection. No effect (after warming up again). > > > > It looks like PLL1 is very unstable in relation to the FP temperature and > PLL2 much less. > > > > I do have a second K3 and see PLL1 at 7.3 on 28Mc (coming anxiously close to > 7.5). > > > > Anyone a clue where to look or what to do? > > > > 73's, Evert PA2KW > > > > > > ______________________________________________________________ > 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

