[K3] Invoice confirmation - YES!

[M0XDF]

I received my Invoice confirmation at 23:58 last night (Sat) - so Aptos are
burning weekends to. Ordered 2-May @ 15:45z.
Added lots of 'bits' to it over the period from then until now.
Shipping in 7-10 days by UPS Express.
Will notify when it arrives.
--
A good cook is like a sorceress who dispenses happiness.
-Elsa Schiaparelli, fashion designer (1890-1973)



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[Stewart Baker]

As I ordered mine on the same day, can't be long now...

73
Stewart G3RXQ
On Sun, 09 Dec 2007 13:24:04 +0000, David Ferrington, M0XDF wrote:
> I received my Invoice confirmation at 23:58 last night (Sat) - so Aptos are
> burning weekends to. Ordered 2-May @ 15:45z.
> Added lots of 'bits' to it over the period from then until now.
> Shipping in 7-10 days by UPS Express.
> Will notify when it arrives.


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[srife]

        Good for you David. Good luck!!

Stan Rife
W5EWA
Houston, TX
K2 S/N 4216


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of David Ferrington,
M0XDF
Sent: Sunday, December 09, 2007 7:24 AM
To: 'Elecraft Reflector'
Subject: [Elecraft] [K3] Invoice confirmation - YES!


I received my Invoice confirmation at 23:58 last night (Sat) - so Aptos are
burning weekends to. Ordered 2-May @ 15:45z. Added lots of 'bits' to it over
the period from then until now. Shipping in 7-10 days by UPS Express. Will
notify when it arrives.
--
A good cook is like a sorceress who dispenses happiness.
-Elsa Schiaparelli, fashion designer (1890-1973)



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[Stephen Prior]

I have just spent the afternoon here putting the K60XV board in my K2 s/no.
4930.  It works fine on rx and tests out okay until I get to the part on
page 13 where I have to set to 2W and peak C1 and C2 on the 60 metre board.

I have no power output, nothing registered on a 5W fsd external meter and
full scale deflection on the K2's meter with 19.1 Watts shown irrespective
of the position of the power control.  The same behaviour is seen on every
other band.  Yet the rx works fine on all bands.  At this point I have the
K2 bare except for ssb and noise blanker modules, and of course the K60XV -
the KAT2 and KIO2 are still sitting in the top lid on the floor beside me.

I have checked everything that I have done at least once.  There is about 90
ohms between the collector(s) of the PA transistors and ground.

Anyone have any ideas please?

Thanks

Stephen G4SJP



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[Stephen Prior]

One more thing I have just noticed - I do have power out on ssb, about 20W
as measured externally, but the power control still does not have any
effect.  On Tune and CW, there is no externally measure power output on any
band, whatever the position of the power control.

What have I done?!  :-((



------ Forwarded Message
From: Stephen  Prior <[hidden email]>
Date: Sun, 09 Dec 2007 20:30:46 +0000
To: elecraft <[hidden email]>
Conversation: K60XV no tx power problem
Subject: K60XV no tx power problem

I have just spent the afternoon here putting the K60XV board in my K2 s/no.
4930.  It works fine on rx and tests out okay until I get to the part on
page 13 where I have to set to 2W and peak C1 and C2 on the 60 metre board.

I have no power output, nothing registered on a 5W fsd external meter and
full scale deflection on the K2's meter with 19.1 Watts shown irrespective
of the position of the power control.  The same behaviour is seen on every
other band.  Yet the rx works fine on all bands.  At this point I have the
K2 bare except for ssb and noise blanker modules, and of course the K60XV -
the KAT2 and KIO2 are still sitting in the top lid on the floor beside me.

I have checked everything that I have done at least once.  There is about 90
ohms between the collector(s) of the PA transistors and ground.

Anyone have any ideas please?

Thanks

Stephen G4SJP

------ End of Forwarded Message



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[David Pratt-2]

In a recent message, Stephen Prior <[hidden email]> wrote ...
>One more thing I have just noticed - I do have power out on ssb, about 20W
>as measured externally, but the power control still does not have any
>effect.  On Tune and CW, there is no externally measure power output on any
>band, whatever the position of the power control.
>
>What have I done?!  :-((

My guess is that it is something to do with the connection of the
screened cable connecting the two pads on the underside of the main
board. Make sure you have the connections at the right places. I seem to
remember this was quite tricky to get right.  I think it's just a matter
of rechecking the installation steps on page 9 of the manual (in my Rev
A March 15 2004).  Good luck and let us know when you find the problem.

73
--
David G4DMP
Leeds, England, UK
------


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[Stephen Prior]

David, many thanks!

You were very close - I had inadvertently soldered the centre of the coax at
J13 to the little hole next to hole X, not hole X itself.  All working now,
covers going back on!

Thanks a lot

73 Stephen


On 9/12/07 21:48, "David Pratt" <[hidden email]> wrote:

> In a recent message, Stephen Prior <[hidden email]> wrote ...
>> One more thing I have just noticed - I do have power out on ssb, about 20W
>> as measured externally, but the power control still does not have any
>> effect.  On Tune and CW, there is no externally measure power output on any
>> band, whatever the position of the power control.
>>
>> What have I done?!  :-((
>
> My guess is that it is something to do with the connection of the
> screened cable connecting the two pads on the underside of the main
> board. Make sure you have the connections at the right places. I seem to
> remember this was quite tricky to get right.  I think it's just a matter
> of rechecking the installation steps on page 9 of the manual (in my Rev
> A March 15 2004).  Good luck and let us know when you find the problem.
>
> 73

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[Don Wilhelm-4]

Stephen,

 From the behavior you indicate, I would believe you have something
wrong with the VRFDET signal.
Check first by removing the K60XV - install a low value capacitor (4.7
pf is ideal) between the output two pins of J15 and install a wire
jumper between pins 3 and 5 of J13.
With those 'unmodule' connections, see if you have proper operation on
all bands (60 meters will not work, of course).   If operation is not
restored, check the wires added to the bottom of the RF board carefully
against the manual instructions, and be certain there are no solder
bridges at J13.

If proper operation is restored with the temporary jumpers, then look at
the soldering on the K60XV board, particularly at P1.

My best guess is:  If you have an older K2 (SN less than 3000), you did
not make an adequate cut on the trace to J13 pin 6, or if you have a
post SN 3000 K2, there is a solder bridge from the '8T' point near J13
pin 6 to the 'X' point near it.

The reason for this guess goes to the heart of the K2 power control
mechanism.  If the 8T line is connected to the VRFDET signal line, the
K2 microprocessor thinks it is putting out a lot of power and reduces
the BFO injection to attempt to reduce the power to the requested
level.  The result would be an indication of high power out (19.1 watts)
due to the voltage on the VRFDET line but no actual power output since
the microprocessor has reduced the BFO injection to as low as it can
possibly be reduced.

73,
Don W3FPR

Stephen Prior wrote:

> I have just spent the afternoon here putting the K60XV board in my K2 s/no.
> 4930.  It works fine on rx and tests out okay until I get to the part on
> page 13 where I have to set to 2W and peak C1 and C2 on the 60 metre board.
>
> I have no power output, nothing registered on a 5W fsd external meter and
> full scale deflection on the K2's meter with 19.1 Watts shown irrespective
> of the position of the power control.  The same behaviour is seen on every
> other band.  Yet the rx works fine on all bands.  At this point I have the
> K2 bare except for ssb and noise blanker modules, and of course the K60XV -
> the KAT2 and KIO2 are still sitting in the top lid on the floor beside me.
>
>  

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[M0XDF]

Just for those waiting (sorry about the b/w to those who aren't).
Got my 'shipping' notification at 00:09z this morning, scheduled to arrive
on Mon - that's fast!

On 9/12/07 13:24, "David Ferrington, M0XDF" <[hidden email]> sent:
> I received my Invoice confirmation at 23:58 last night (Sat) - so Aptos are
> burning weekends to. Ordered 2-May @ 15:45z.
> Added lots of 'bits' to it over the period from then until now.
> Shipping in 7-10 days by UPS Express.
> Will notify when it arrives.
--
If you're sending someone some Styrofoam, what do you pack it in?


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