[Elecraft] K2 - Full power carrier in SSB

[Bob Nielsen]

On May 3, 2003, JR Groeger wrote:

>I have completed a minimum, plain vanilla configuration (PTT, AF, GND only) of 
>the microphone header and successfully set (I think) the coarse carrier balance 
>adjustment. But I am unable to do the fine carrier adjustment. When the TX is 
>keyed in either LSB or USB I get a steady carrier at > 10 watts irrespective of 
>the power control setting, no audio. Keying the microphone when in CW mode 
>gives a steady stream of dots also at > 10 watts. Twiddling R1 makes no 
>difference. Receive performance appears fine as are all SSB menue functions. 
>
>All voltages at every IC and diode check out good (give or take a few 
>millivolts) with the exception of U1-9. It only swings up to about 0.5 V 
>instead of > 2V on transmit. 
>
>Machine is Rev B, SSB module earlier 
>
>
>I sure could use some help, please! 
>
>Thank you in advance.
>
>J R "Jo" Groeger 
>G4XXW, DK3NG, EL0AA/MM 
> 
>
I didn't see any response to this message and I appear to be having the 
same problem (K2 #3273).   CW operation is normal.  Any ideas?

73,
Bob, N7XY