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FS: Elecraft K1

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JJ-2

FS: Elecraft K1

Looking to sell my K1. I just don't use it like I thought I would.
Works fine, looks good. A few light scratches.
KFL1-4 4 Band Board, 40, 30, 20, & 15 Meters-Installed
KFL1-2 2 Band Board, 80 & 40 Meters-Not Installed
KAT1 Automatic Antenna Tuner
KNB1 Noise Blanker
LED Backlight (set at very low level)
K TS1 Tilt Bracket with both sets of arms (long & short)
Manual and Docs for radio/options
$630 or BRO
Thanks,
Jon WS1K
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EricJ

K2 INFO 232

I have K2 SN 567. I didn't really have a problem with it, but I bought
it used in 2005, had W3FPR look at it then, and install latest mods to
bring it up to date. Today, I thought it might be time to take a look at
alignment, and freshen it up a bit.

When I did the "PLL Ref Osc Range Test" in Alignment Part II, the range
was slightly less than 6 kHz. When I got to "VFO Linearization", 40
meters was fine without any INFO messages.

I was using the original Rev B manual (not related to RevB board) that
came with it. Under Part III, Alignment and Test there is another "VFO
Linearization (All Bands)". I did that and every band failed (INFO 232)
except 40 meters. And of course, in the Rev B manual, there is no INFO
232 only 235. Anyway, I checked around Q19 as the Troubleshooting
suggested and found X1, but no X2. After reading the circuit operation,
I was convinced somehow X2 got left out. Since it was supposed to be
there to prevent the very short range problem I thought I was
experiencing, I thought I had found the problem.

I emailed Elecraft to order X2, and got a nice note from Mike saying
they would send one out no charge. That kind of service still amazes me.
But I told him to hold off until I can hear from this group.

I checked my other K2 manual (I also have SN 6911), and, first, it does
not have a procedure for VFO linearization on anything but 40 meters. In
fact, it says INFO 232 probably occurred because I wasn't on 40m. And
the parts lists says X2 is not used!

I went into this without having any actual problem or complaint. The old
manual convinced me I did. The later Rev I manual says I might, but
didn't know it. I'm supposed to have a PLL range of 9.8 to 15 kHz. I
have 5.97 kHz.

So if that is a problem, the problem is associated with Q19 which is a
very simple stage. X1 is probably the most likely cause. Any ideas?

Also, since two crystals were originally used to "de-Q one another to
increase the tuning range", what was done to make two crystals unnecessary?

Thanks for any help,
Eric KE6US

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Don Wilhelm

Re: K2 INFO 232

Erik,

Your K2 has the A to B updates, do NOT put X2 in!
For Firmware level 2.01 and above, CAL PLL is done only on 40 meters
(for all bands). If attempted on other bands, you will get an INFO 232
error.

Use the information in the newer manual - the older manual has
information *only* applicable to K2s that have not been upgraded.

73,
Don W3FPR

On 4/19/2018 10:18 PM, EricJ wrote:

> I have K2 SN 567. I didn't really have a problem with it, but I bought
> it used in 2005, had W3FPR look at it then, and install latest mods to
> bring it up to date. Today, I thought it might be time to take a look at
> alignment, and freshen it up a bit.
>
> When I did the "PLL Ref Osc Range Test" in Alignment Part II, the range
> was slightly less than 6 kHz. When I got to "VFO Linearization", 40
> meters was fine without any INFO messages.
>
> I was using the original Rev B manual (not related to RevB board) that
> came with it. Under Part III, Alignment and Test there is another "VFO
> Linearization (All Bands)". I did that and every band failed (INFO 232)
> except 40 meters. And of course, in the Rev B manual, there is no INFO
> 232 only 235. Anyway, I checked around Q19 as the Troubleshooting
> suggested and found X1, but no X2. After reading the circuit operation,
> I was convinced somehow X2 got left out. Since it was supposed to be
> there to prevent the very short range problem I thought I was
> experiencing, I thought I had found the problem.
>
> I emailed Elecraft to order X2, and got a nice note from Mike saying
> they would send one out no charge. That kind of service still amazes me.
> But I told him to hold off until I can hear from this group.
>
> I checked my other K2 manual (I also have SN 6911), and, first, it does
> not have a procedure for VFO linearization on anything but 40 meters. In
> fact, it says INFO 232 probably occurred because I wasn't on 40m. And
> the parts lists says X2 is not used!
>
> I went into this without having any actual problem or complaint. The old
> manual convinced me I did. The later Rev I manual says I might, but
> didn't know it. I'm supposed to have a PLL range of 9.8 to 15 kHz. I
> have 5.97 kHz.
>
> So if that is a problem, the problem is associated with Q19 which is a
> very simple stage. X1 is probably the most likely cause. Any ideas?
>
> Also, since two crystals were originally used to "de-Q one another to
> increase the tuning range", what was done to make two crystals unnecessary?
>
> Thanks for any help,
> Eric KE6US
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

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ke9uw

Re: K2 INFO 232

So A to B upgrades but not necessarily the rev B board?

Chuck Jack
KE9UW

Sent from my iPhone, cjack

> On Apr 19, 2018, at 11:32 PM, Don Wilhelm <[hidden email]> wrote:
>
> Erik,
>
> Your K2 has the A to B updates, do NOT put X2 in!
> For Firmware level 2.01 and above, CAL PLL is done only on 40 meters (for all bands). If attempted on other bands, you will get an INFO 232 error.
>
> Use the information in the newer manual - the older manual has information *only* applicable to K2s that have not been upgraded.
>
> 73,
> Don W3FPR
>
>> On 4/19/2018 10:18 PM, EricJ wrote:
>> I have K2 SN 567. I didn't really have a problem with it, but I bought it used in 2005, had W3FPR look at it then, and install latest mods to bring it up to date. Today, I thought it might be time to take a look at alignment, and freshen it up a bit.
>> When I did the "PLL Ref Osc Range Test" in Alignment Part II, the range was slightly less than 6 kHz. When I got to "VFO Linearization", 40 meters was fine without any INFO messages.
>> I was using the original Rev B manual (not related to RevB board) that came with it. Under Part III, Alignment and Test there is another "VFO Linearization (All Bands)". I did that and every band failed (INFO 232) except 40 meters. And of course, in the Rev B manual, there is no INFO 232 only 235. Anyway, I checked around Q19 as the Troubleshooting suggested and found X1, but no X2. After reading the circuit operation, I was convinced somehow X2 got left out. Since it was supposed to be there to prevent the very short range problem I thought I was experiencing, I thought I had found the problem.
>> I emailed Elecraft to order X2, and got a nice note from Mike saying they would send one out no charge. That kind of service still amazes me. But I told him to hold off until I can hear from this group.
>> I checked my other K2 manual (I also have SN 6911), and, first, it does not have a procedure for VFO linearization on anything but 40 meters. In fact, it says INFO 232 probably occurred because I wasn't on 40m. And the parts lists says X2 is not used!
>> I went into this without having any actual problem or complaint. The old manual convinced me I did. The later Rev I manual says I might, but didn't know it. I'm supposed to have a PLL range of 9.8 to 15 kHz. I have 5.97 kHz.
>> So if that is a problem, the problem is associated with Q19 which is a very simple stage. X1 is probably the most likely cause. Any ideas?
>> Also, since two crystals were originally used to "de-Q one another to increase the tuning range", what was done to make two crystals unnecessary?
>> Thanks for any help,
>> Eric KE6US
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [hidden email]
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]

Chuck, KE9UW

Don Wilhelm

Re: K2 INFO 232

Chuck and all,

Sorry if I confused you. It is the firmware level, not the upgrades or
the board level.
Firmware 2.01 and above must do CAL PLL on 40 meters. That calibrates
it for all bands.

The early manuals tell you to do CAL PLL on each band, but if the
firmware has been updated, the instructions for the updated firmware can
supersede the earlier instructions in the manual.

73,
Don W3FPR

On 4/20/2018 8:27 AM, hawley, charles j jr wrote:

> So A to B upgrades but not necessarily the rev B board?
>
> Chuck Jack
> KE9UW
>
> Sent from my iPhone, cjack
>
>> On Apr 19, 2018, at 11:32 PM, Don Wilhelm <[hidden email]> wrote:
>>
>> Erik,
>>
>> Your K2 has the A to B updates, do NOT put X2 in!
>> For Firmware level 2.01 and above, CAL PLL is done only on 40 meters (for all bands). If attempted on other bands, you will get an INFO 232 error.
>>
>> Use the information in the newer manual - the older manual has information *only* applicable to K2s that have not been upgraded.
>>
>> 73,
>> Don W3FPR
>>
>>> On 4/19/2018 10:18 PM, EricJ wrote:
>>> I have K2 SN 567. I didn't really have a problem with it, but I bought it used in 2005, had W3FPR look at it then, and install latest mods to bring it up to date. Today, I thought it might be time to take a look at alignment, and freshen it up a bit.
>>> When I did the "PLL Ref Osc Range Test" in Alignment Part II, the range was slightly less than 6 kHz. When I got to "VFO Linearization", 40 meters was fine without any INFO messages.
>>> I was using the original Rev B manual (not related to RevB board) that came with it. Under Part III, Alignment and Test there is another "VFO Linearization (All Bands)". I did that and every band failed (INFO 232) except 40 meters. And of course, in the Rev B manual, there is no INFO 232 only 235. Anyway, I checked around Q19 as the Troubleshooting suggested and found X1, but no X2. After reading the circuit operation, I was convinced somehow X2 got left out. Since it was supposed to be there to prevent the very short range problem I thought I was experiencing, I thought I had found the problem.
>>> I emailed Elecraft to order X2, and got a nice note from Mike saying they would send one out no charge. That kind of service still amazes me. But I told him to hold off until I can hear from this group.
>>> I checked my other K2 manual (I also have SN 6911), and, first, it does not have a procedure for VFO linearization on anything but 40 meters. In fact, it says INFO 232 probably occurred because I wasn't on 40m. And the parts lists says X2 is not used!
>>> I went into this without having any actual problem or complaint. The old manual convinced me I did. The later Rev I manual says I might, but didn't know it. I'm supposed to have a PLL range of 9.8 to 15 kHz. I have 5.97 kHz.
>>> So if that is a problem, the problem is associated with Q19 which is a very simple stage. X1 is probably the most likely cause. Any ideas?
>>> Also, since two crystals were originally used to "de-Q one another to increase the tuning range", what was done to make two crystals unnecessary?
>>> Thanks for any help,
>>> Eric KE6US
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:[hidden email]
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>> Message delivered to [hidden email]
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [hidden email]

Don Wilhelm

Re: K2 INFO 232

In reply to this post by ke9uw

Chuck,

If you are referring to the X1/X2 situation rather then the CAL PLL
band, even the rev B boards have silkscreen and holes for X2, but X2 is
left open. The BFOMDKT and the Thermistor mod replace X1 and remove X2.
The basic A to B mods do not, but those mod kits are a part of the
overall A to B mods.

73,
Don W3FPR

On 4/20/2018 8:27 AM, hawley, charles j jr wrote:

ke9uw

Re: K2 INFO 232

Thanks. I did do this.
Appreciate the help remembering.

Chuck Jack
KE9UW

Sent from my iPhone, cjack

> On Apr 20, 2018, at 8:49 AM, Don Wilhelm <[hidden email]> wrote:
>
> Chuck,
>
> If you are referring to the X1/X2 situation rather then the CAL PLL band, even the rev B boards have silkscreen and holes for X2, but X2 is left open. The BFOMDKT and the Thermistor mod replace X1 and remove X2.
> The basic A to B mods do not, but those mod kits are a part of the overall A to B mods.
>
> 73,
> Don W3FPR
>
>> On 4/20/2018 8:27 AM, hawley, charles j jr wrote:
>> So A to B upgrades but not necessarily the rev B board?
>>
>> Chuck Jack
>> KE9UW
>>
>> Sent from my iPhone, cjack
>>
>>> On Apr 19, 2018, at 11:32 PM, Don Wilhelm <[hidden email]> wrote:
>>>
>>> Erik,
>>>
>>> Your K2 has the A to B updates, do NOT put X2 in!
>>> For Firmware level 2.01 and above, CAL PLL is done only on 40 meters (for all bands). If attempted on other bands, you will get an INFO 232 error.
>>>
>>> Use the information in the newer manual - the older manual has information *only* applicable to K2s that have not been upgraded.
>>>
>>> 73,
>>> Don W3FPR
>>>
>>>> On 4/19/2018 10:18 PM, EricJ wrote:
>>>> I have K2 SN 567. I didn't really have a problem with it, but I bought it used in 2005, had W3FPR look at it then, and install latest mods to bring it up to date. Today, I thought it might be time to take a look at alignment, and freshen it up a bit.
>>>> When I did the "PLL Ref Osc Range Test" in Alignment Part II, the range was slightly less than 6 kHz. When I got to "VFO Linearization", 40 meters was fine without any INFO messages.
>>>> I was using the original Rev B manual (not related to RevB board) that came with it. Under Part III, Alignment and Test there is another "VFO Linearization (All Bands)". I did that and every band failed (INFO 232) except 40 meters. And of course, in the Rev B manual, there is no INFO 232 only 235. Anyway, I checked around Q19 as the Troubleshooting suggested and found X1, but no X2. After reading the circuit operation, I was convinced somehow X2 got left out. Since it was supposed to be there to prevent the very short range problem I thought I was experiencing, I thought I had found the problem.
>>>> I emailed Elecraft to order X2, and got a nice note from Mike saying they would send one out no charge. That kind of service still amazes me. But I told him to hold off until I can hear from this group.
>>>> I checked my other K2 manual (I also have SN 6911), and, first, it does not have a procedure for VFO linearization on anything but 40 meters. In fact, it says INFO 232 probably occurred because I wasn't on 40m. And the parts lists says X2 is not used!
>>>> I went into this without having any actual problem or complaint. The old manual convinced me I did. The later Rev I manual says I might, but didn't know it. I'm supposed to have a PLL range of 9.8 to 15 kHz. I have 5.97 kHz.
>>>> So if that is a problem, the problem is associated with Q19 which is a very simple stage. X1 is probably the most likely cause. Any ideas?
>>>> Also, since two crystals were originally used to "de-Q one another to increase the tuning range", what was done to make two crystals unnecessary?
>>>> Thanks for any help,
>>>> Eric KE6US
>>>> ______________________________________________________________
>>>> Elecraft mailing list
>>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>>> Help: http://mailman.qth.net/mmfaq.htm
>>>> Post: mailto:[hidden email]
>>>> This list hosted by: http://www.qsl.net
>>>> Please help support this email list: http://www.qsl.net/donate.html
>>>> Message delivered to [hidden email]
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:[hidden email]
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>> Message delivered to [hidden email]
>

Chuck, KE9UW

EricJ

Re: K2 INFO 232

In reply to this post by Don Wilhelm

OK, thanks, Don. As I said, I went into this perfectly happy with how
the K2 is performing. I have SN 6911 right beside it and find no
discernible difference between the two. Both are solid. I just wanted to
verify the alignment after 13 years of use and refamiliarize myself with
the internals.

Eric KE6US

On 4/19/2018 9:32 PM, Don Wilhelm wrote:

> Erik,
>
> Your K2 has the A to B updates, do NOT put X2 in!
> For Firmware level 2.01 and above, CAL PLL is done only on 40 meters
> (for all bands). If attempted on other bands, you will get an INFO
> 232 error.
>
> Use the information in the newer manual - the older manual has
> information *only* applicable to K2s that have not been upgraded.
>
> 73,
> Don W3FPR
>
> On 4/19/2018 10:18 PM, EricJ wrote:
>> I have K2 SN 567. I didn't really have a problem with it, but I
>> bought it used in 2005, had W3FPR look at it then, and install latest
>> mods to bring it up to date. Today, I thought it might be time to
>> take a look at alignment, and freshen it up a bit.
>>
>> When I did the "PLL Ref Osc Range Test" in Alignment Part II, the
>> range was slightly less than 6 kHz. When I got to "VFO
>> Linearization", 40 meters was fine without any INFO messages.
>>
>> I was using the original Rev B manual (not related to RevB board)
>> that came with it. Under Part III, Alignment and Test there is
>> another "VFO Linearization (All Bands)". I did that and every band
>> failed (INFO 232) except 40 meters. And of course, in the Rev B
>> manual, there is no INFO 232 only 235. Anyway, I checked around Q19
>> as the Troubleshooting suggested and found X1, but no X2. After
>> reading the circuit operation, I was convinced somehow X2 got left
>> out. Since it was supposed to be there to prevent the very short
>> range problem I thought I was experiencing, I thought I had found the
>> problem.
>>
>> I emailed Elecraft to order X2, and got a nice note from Mike saying
>> they would send one out no charge. That kind of service still amazes
>> me. But I told him to hold off until I can hear from this group.
>>
>> I checked my other K2 manual (I also have SN 6911), and, first, it
>> does not have a procedure for VFO linearization on anything but 40
>> meters. In fact, it says INFO 232 probably occurred because I wasn't
>> on 40m. And the parts lists says X2 is not used!
>>
>> I went into this without having any actual problem or complaint. The
>> old manual convinced me I did. The later Rev I manual says I might,
>> but didn't know it. I'm supposed to have a PLL range of 9.8 to 15
>> kHz. I have 5.97 kHz.
>>
>> So if that is a problem, the problem is associated with Q19 which is
>> a very simple stage. X1 is probably the most likely cause. Any ideas?
>>
>> Also, since two crystals were originally used to "de-Q one another to
>> increase the tuning range", what was done to make two crystals
>> unnecessary?
>>
>> Thanks for any help,
>> Eric KE6US
>>
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:[hidden email]
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to [hidden email]
>>
>