U6 Pin 5 = 4.1v PLL ref Osc range at TP3 = 12098.83 to 12084.95
VFO at TP1: @4000kHz = 8077.0 @7100kHz = 11288.5 Mark On Sun, Apr 21, 2019 at 6:02 PM Don Wilhelm <[email protected]> wrote: > Mark, > > First check the DC voltage on U6 pin 5. It should be near 4 volts - if > not, you have a problem on the thermistor board, likely a solder bridge. > > Then recheck the PLL reference oscillator range at TP3 using CAL FCTR. > Tell me the high and low frequencies. > > Then check the VFO frequency at TP1 (using CAL FCTR) when tuned to > 4000kHz and again when tuned to 7100kHz. > > 73, > Don W3FPR > > On 4/21/2019 1:43 PM, Mark Yergin wrote: > > I'm getting 0.02 V at R30, not 6V. Turns on T5 correct and wound per > > image. Reflowed the four solder joints and verified continuity between 1 > > and 2, 3 and 4. C72 is correct value (label 271) and reflowed. L30 is > the > > correct value (large slot), and reflowed. D21-26 confirmed as correct > > values. C71-74 confirmed as correct values. > ______________________________________________________________ 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
