Re: [Elecraft] k2 transmitt problem

2010-07-27 Thread Don Wilhelm
Dan, It sounds like your PLL Reference oscillator quit working - so --- Tackle Q19 first. Check the resistance from the source to ground - should be close to 270 ohms. If not, check the soldering on R20 and both the lead tinning and soldering of RFC14. Once Q19 is OK, then you can go on to ot

[Elecraft] k2 transmitt problem

2010-07-26 Thread Dan Grizzard
 Hello all, I have finally gotten to the final stretch of construction and have hit another snag. I had gotten the power out on all bands correct and was starting to align the filters when the VFO went out. I reworked the solder joints looking suspect on all 3 boards with no good results. I did