[Elecraft] Hi Current K2

[richard gilley]

>
> I am embarrassed to say but I have a high current indication on  
> nearly all bands during Tx. (new build and I thought I was being so  
> so careful).
>
> The Rec. draws 240 ma. at 12.4 volts.  Does change slightly with  
> option changes.
>
> Attempted transmitter Tune up Test Part Three page 77 has the  
> following results:
>
> 4.045 Mhz   - Hi Cur LCD  to P19
> 7.099 Mhz  - Hi Cur LCD  to P19
> 10.00 Mhz  - Hi Cur LCD  to P18
> 14.060 Mhz  Hi Cur LCD to  P16
> 18.090 Mhz   NO  Hi Cur LCD to P.3
> 21.054 MHZ  No Hi Cur  LCD to P.8
> 25.012 Mhz    NO Hi Cur  LCD to P.1
>
> Power set to 2W and 1 W with same indication.
>
> Current limit set to 2.5A.
> Voltage on C of Q8 and Q7 at 12.4 Vdc.
> Res, measurements page 74 all within limits.
>
> Changed power supply, when I noticed voltage drop and high current  
> reading of 5 A.  No change with known good supply.
>
> Hints requested before I tear something.
>
> Best regards
> Dick AD1G
>
>
>