[Elecraft] setting KPA 100 page 48 problem

[Christophe aufacf]

hello don

the frequency to find with CAL FACT 18.159 kHz

thank you in advance for your good advice

73 , Cris F8ACF

Le ven. 10 avr. 2020 à 21:21, Don Wilhelm <donwilh at embarqmail.com> a écrit :
>
> Christophe,
>
> Tune the K2 to 7100kHz
> Then plug the internal counter probe into TP1 and the P6 header on the
> Control Board.
> Enter the menu to CAL FCTR and hold EDIT
> The frequency will be seen in the K2 display.
>
> You could alternately use an external frequency counter to read the
> frequency at TP1.
>
> 73,
> Don W3FPR
>
> On 4/10/2020 2:48 PM, Christophe aufacf wrote:
> > good evening Don,
> >
> > I checked the values and solders of the capacitors mentioned
> > they are ok
> >
> > on the other hand remind me of the procedure to check the frequency of
> > the VFO so as to find 12,015 KHZ pages in the assembly manual
> >
> > Thanks again for your help
> >
> > 73 ,
> > cris F8ACF
> >
> > Le ven. 10 avr. 2020 à 17:17, Don Wilhelm <donwilh at embarqmail.com> a écrit :
> >> Christophe,
> >>
> >> The most common cause of a 40 meter only failure in the K2 is an
> >> incorrect setting of the D19 secondary menu parameter.
> >>
> >> If you have the K60XV option installed, or if you installed the "Rework
> >> Eliminators" when you built the K2, you must set D19 to "y".
> >>
> >> If you do not have either the K60XV or the Rework Eliminators, then the
> >> D19 parameter must be set to "n".
> >>
> >> If the above is not applicable, you may have a problem in the 40 meter
> >> bandpass filter.   Check the capacitors in that bandpass filter - C5 and
> >> C7 = 100pF, C4 and C8 = 820pF, C6 = 4.7pF.
> >> Also check the VFO frequency when the K2 is set to 7100kHz, it should be
> >> close to 12,015kHz.
> >>
> >> 73,
> >> Don W3FPR
> >>
> >> On 4/10/2020 9:29 AM, Christophe aufacf wrote:
> >>> hello Don, hello everyone,
> >>>
> >>> this morning I tested the K2 on my own.
> >>>
> >>> the consumption (ampere) of K2 gave me part of the solution
> >>>
> >>> the K2 alone in transmission consumes 0.5 amp on 40M then on the other
> >>> 2 amp bands with a setting at 5Watts
> >>>
> >>> so I have no broadcast on 40M only, we can hear the relays switch ...
> >>>
> >>> after I admit being a bit lost to know where to start
> >>>
> >>> I will review the soldering of relays K1, K12, K14 in case ...
> >>>
> >>> could you give me advice since you know the K2 very well
> >>>
> >>> Thanks in advance Don
> >>>
> >>> 73 ,F8ACF
> >>>
> >>> # K2 7369 - kpa 100 in progress
> >>>
> >>> Le ven. 10 avr. 2020 à 03:11, Don Wilhelm <donwilh at embarqmail.com> a écrit :
> >>>> Christophe,
> >>>>
> >>>> I forgot to mention,
> >>>> Before attempting to adjust the C1 null, first pre-set R26 and R27 to
> >>>> 43k ohms.  Measure R26 from U5 pin 5 to ground and R27 at U5 pin 3 to
> >>>> ground.
> >>>>
> >>>> Then go through the nulling process followed by the power setting
> >>>> process that I outlined in my prior email.
> >>>>
> >>>> 73,
> >>>> Don W3FPR
> >>>>
> >>>> On 4/9/2020 3:25 PM, Christophe aufacf wrote:
> >>>>> Good morning all ,
> >>>>>
> >>>>> Zero adjustment of SWR bridge (C1) page 48
> >>>>>
> >>>>> as you see on the video , I set the K2 to 5Watts
> >>>>>
> >>>>> https://we.tl/t-MOz5AX1v3l
> >>>>>
> >>>>> I managed to adjust the SWR the K2 announces my power at 0.1 Watts !!
> >>>>>
> >>>>> the consumption goes from 0.32 Amps in Rx, in Tune mode 0.5 amps
> >>>>>
> >>>>> I should have 5 Watts
> >>>>>
> >>>>> Thank you for your help
> >>>>>
> >>>>> # K2 7369 - kpa 100 in progress
> >>>
> >
>


-- 
73 , F8ACF56