Re: [Elecraft] K3 no transmitting

[Robert Bajuk]

Hi Jorge,

Try this source

https://groups.io/g/Elecraft-K3/topic/replacing_k3_lpa_devices/18108669

73 Robert, S57AW

On Thu, 9 May 2024, 15:08 Jorge Diez - CX6VM,  wrote:

> hello!
>
> I have a friend that is trying to get to LPA on the K3
>
> Really it needs to disassemble practically all the K3 or there's a way to
> get to this LPA plaque easily?
>
> I will appreciate if you can point me to some video about how to
> disassemble the K3 to get to LPA
>
> thanks!!
>
> 73,
> Jorge
> CX6VM/CW5W
>
> El vie, 8 mar 2024 a las 17:26, Robert Bajuk ()
> escribió:
>
>> Hi Jorge,
>>
>> Check D1 first and parts around on 10W LPA boars as already suggested
>>
>> See the pics attached, LPA board and D1 marked with red, hope pics pass
>> over the reflector
>>
>> 73 Robert, S57AW
>>
>>
>>
>> On Fri, Mar 8, 2024 at 8:31 PM Jorge Diez - CX6VM 
>> wrote:
>>
>>> thanks Steve
>>>
>>> Could you please point me to the assembly manual page to find it?
>>>
>>> Mine is factory assembled, but I need to fix it here in my country, I
>>> need
>>> to try
>>>
>>> Thanks very much!
>>>
>>> 73,
>>> Jorge
>>> CX6VM/CW5W
>>>
>>> El vie, 8 mar 2024 a las 13:32, Steve Cooke ()
>>> escribió:
>>>
>>> > Jorge . my K3 displayed the same fault sometime ago .Turned out to
>>> > be D1 on the LPA a very fine hairline crack in the solder joint
>>> > ...without Keith Trinity W6ER's advice in a previous reply to somebody
>>> > else , I would never have found it .
>>> >
>>> >  It was only visible under a bright light ...and a
>>> > magnifying glass .
>>> >
>>> >  73 steve G1MPW.
>>> >
>>> >
>>> > On 08/03/2024 13:58, Jorge Diez - CX6VM wrote:
>>> > > hello
>>> > >
>>> > > My newer K3 is not TX anymore, on any mode, CW, SSB, FT8
>>> > >
>>> > >
>>> > __
>>> > Elecraft mailing list
>>> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>>> > Message delivered to cx6vm.jo...@gmail.com
>>>
>>>
>>>
>>> --
>>> 73,
>>> Jorge
>>> CX6VM/CW5W
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>>
>>
>
> --
> 73,
> Jorge
> CX6VM/CW5W
>
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Re: [Elecraft] krc2 jumpers setting ..help

[Robert Bajuk]

Hi Noel,

I can share my settings which work just fine with TS480 (it should work
also with TS590 models)... N1MM talks just fine with the radio with KRC in
the middle

You need some small modification inside KRC2 Here are the settings for
19200 baud-rate

Jumpers IN: 3, 6, 8, 9, 10, and 21, 22, 23
Jumpers 14 & 17 bridged with voltage from pin 7 of U2 fed to this jumper
(~2" piece of wire).

Hope it will solve your problem, try it and report back

73 Robert, S57AW


On Tue, Mar 27, 2018 at 10:12 PM, NOEL POULIN 
wrote:

> Hi,
> I am having a hard time with the KRC2 band decoder jumper settings for a
> KENWOOD TS590SG..
> Here is my setting according to the KRC2 manual (page 23)..for kenwood
> radio pc logging in use, data  rate 19200 bps
> INSTALLED REMOVED
> w3,w6,w8   w1,w2,w7,w11,
> w12,w13,w14,w15,w16,w17,w18,w19,w20
> w9,w10,w21,w22,w23.
> No luck with settings..
> The logging software is talking to the radio when the decoder is not
> between the radio and the pcbut when I connect the KRC2, no results,
> the logging software can't talk to the radio at all
>
> What have I done wrong ???
> Help will be more than welcome...
> Many thanks
> Noel
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[Elecraft] Need +12v or +5v on TX

[Robert Bajuk]

Hi,

I am adding kind of RF limiter/protector to my my K3 signal path at the
ANT1 input  and need to switch a small relay between TX/RX line. I would
like to keep protector circuit in small box inside the radio.
Where would be the easiest point to "steal" '+12v or +5v on TX only
(irrespective of the power settings, with or without KPA3). I know I could
use signal from Key out jack (active low) but I would rather find a point
inside the radio to switch relay with positive voltage and keep Key out
free.

73 Robert, S57AW
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Re: [Elecraft] [K3/0] Remoterig sidetone way too loud

[Robert Bajuk]

Hi Fred,

Change your RRC Control setting under Keyer settings
Side tone -db [50-0]:
Set it to more reasonable value, 0 is the loudest, value is in "- db" :-)

Set it to 45 or 50 and you must see the difference

Hope it helps

73 Robert, S57AW



On Fri, Mar 11, 2016 at 5:27 PM, Cady, Fred  wrote:

> In preparation for a trip I have the Remoterig boxes and a K3/0 Mini and
> K3 working fine.  Problem is the sidetone is way too loud.  The K3's
> monitor level is 0 and the sidetone configuration in the control Remoterig
> is also 0 dB.  Anybody have any ideas?
>
> Cheers,
>
> 73,
>
> Fred KE7X
>
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Re: [Elecraft] VOX / PTT combination on k3

[Robert Bajuk]

TNX guys, you were very helpful

73 Robert, S57AW

On Sun, Dec 20, 2015 at 12:40 AM, Brian Hunt 
wrote:

> I do pretty much what you want to do: use N1MM+ and paddle/external keyer.
>
> I have: paddle connected directly to the K3; QSK selected; VOX selected;
> PTT/KEY set to off/dtr; and N1MM+ keying through the serial port dtr line.
> It gives full QSK to hear other stations between characters.
>
> 73,
> Brian, K0DTJ
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[Elecraft] VOX / PTT combination on k3

[Robert Bajuk]

Hi,

Simple question... Is there a way to avoid VOX delay on CW mode when PTT is
used?

To be more concrete:

- CW and PTT signal are sent to K3 with N1MM directly from serial port (no
external keyer)
- external electronic keyer is connected to K3
- VOX is enabled

If I want CW keyer to work without PTT / paddle then VOX has to be enabled,
but VOX brings unwanted delay at the end when CW is sent from PC.

73 Robert, S57AW
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Re: [Elecraft] KRC2 and TS480

[Robert Bajuk]

Hi Steve,

I have KRC2 which works without issue with my remote TS-480.

I had conversation with Gary from Elecraft some time ago and his setup
proposal works OK for me.

Jumper settings inside KRC2:
---
Jumpers IN: 3, 6, 9, 10, and 21-23
Jumpers 14  17 bridged with voltage from pin 7 of U2 fed to this jumper
(~2 piece of wire).

Jumpers W7 and W8 depend of data rate, see KRC2 manual page 20

Hope it helps

73 Robert, S57AW




2014-04-08 12:52 GMT+02:00 Steve Bunting stephen.bunt...@virgin.net:

 Hi everyone,


 I have KRC2 band decoder that I used ages ago with my K2 - it still works
 in that I can toggle bands when I hold the F1 button. I want to use it with
 my remote TS-480 but the radio CAT isn't currently driving KRC2 at all and
 I would like some advice on how to get it working, please.


 Current set up: I have used the Kenwood jumper positions from the KRC2
 manual and have a straight through serial cable from rig to KRC2. I am
 using 4800 baud (W7 and W8 in place) and the radio CAT works with my PC.
 The KRC2 is certainly in operate mode and I have a 13.8V PSU attached
 (stating the obvious!)


 Questions: I suspect I need to apply the handshake jumper between W14 and
 W17 for the TS-480? Does the position of W7 and W8 matter for 4800 baud?
 I'm assuming the manual is correct. Can any 480/KRC2 users comment on
 anything else I have missed?



 73

 Steve

 M0BPQ
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Re: [Elecraft] New production FW releases

[Robert Bajuk]

Hi Richard,

I would say you have Trace checked under View in K3 Utility, I did it once
by mistake as well..

When Trace selected, shows detailed diagnostic trace information. Trace
may significantly increase the time required to complete operations such as
firmware load.

Check it out

73 Robert, S57AW





2014-02-23 21:19 GMT+01:00 Richard hb9...@bluewin.ch:

 I loaded the latest FW releases 4.83 and 1.38 into my K3 and KPA500 (I
 don't own a KAT500) and everything works smoothly.

 But while the K3 (MCU, DSP1, DSP2) used to take some 7-8 minutes to load,
 it now takes over 30 minutes (yes, Utility 1.13.5.9 at 38400 bps) while all
 details appear on the screen, which was not the case earlier, although I
 had been using 1.13.5.9 previously.


 Anyone else noticed this?


 73
 Richard - HB9ANM

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Re: [Elecraft] New production FW releases

[Robert Bajuk]

Fine Richard... Well, you have most probably checked it once
unintentionally or little green Windows guards did it for you:-) Nice to
see that it works

73 Robert


2014-02-23 22:31 GMT+01:00 Richard hb9...@bluewin.ch:

 Hi Robert

 Yes, that was it! Thank you so much!
 Just wondering how Trace suddenly got checked... I can't recall doing it!

 And thanks to all who responded.


 73
 Richard - HB9ANM
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[Elecraft] FS: N2PK VNA parts kit

[Robert Bajuk]

Hi,

If anyone is interested to build a famous N2PK VNA based on latest Ivan's
board v5.2 http://www.makarov.ca/vna_v5.htm.

Few parts kits available
http://scc.hamradio.si/s57aw_sale/n2pk_kit.htm

Contact me directly if interested

73 Robert, S57AW
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Re: [Elecraft] XV144 for sale - reduced price SOLD!

[Robert Bajuk]

XV144 has been sold ... SRI for the bandwidth

Robert


2012/6/17 Robert Bajuk rba...@gmail.com

 Elecraft XV144 2m transverter - reduced price and some other items for sale

 http://scc.hamradio.si/s57aw_sale/




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[Elecraft] XV144 for sale - reduced price

[Robert Bajuk]

Elecraft XV144 2m transverter - reduced price and some other items for sale

http://scc.hamradio.si/s57aw_sale/

73 Robert, S57AW
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[Elecraft] Elecraft and other items for sale

[Robert Bajuk]

I am cleaning my hamshack and collecting funds for other ham toys, HI.

Selling XV144, Softrock IF OUT for K3 ...:

http://scc.hamradio.si/s57aw_sale/

SRI for the bandwidth, if interested please reply off the list

73 Robert, S57AW
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Re: [Elecraft] Yamaha CM500 Headset

[Robert Bajuk]

What about eBay
http://global.ebay.com/search/?Query=CM500+yamahaRegion=0UsePriceFilter=0PageNumber=1ListView=0SortBy=1

Most of them ship internationally

73 Robert, S57AW

2012/2/17 Win Kriegl DK9IP/KH7CD dk...@dk9ip.de

 Hi,

 BH does ship internationally but not the CM500 headset.

 Due to the manufacturers restrictions, we are unable to accept orders
 with a shipping address in GERMANY for the following item(s):
 Yamaha CM500 - Headset with Boom Microphone
 Please provide a different ship to location or remove these items from
 your cart.

 This applies to other (european) countries as well. For whatever reason
 Yamaha doesn´t want this headset to be distributed world wide.

 73 Win DK9IP



 Am 17.02.2012 22:29, schrieb edevelope...@yahoo.com:
  For those outside the U.S who would like to purchase a Yamaha CM500
 headset, BH does ship internationally with a few exceptions. See their
 “Destinations” page here for particulars:
 
  http://www.bhphotovideo.com/find/HelpCenter/Shipping.jsp#shippingDest
 
  I purchased a CM500 from them several months ago. Since I’m only 30
 miles away from them it got here in a flash. On past purchases from them of
 other small items I have been satisfied as well. On the CM500, theirs was
 the best price I could find.
 
  I’m definitely not a headset guy – I much prefer the open-air speaker
 environment when possible. Nevertheless, I like this headset overall. It is
 very comfortable to wear for an extended period of time, even for those
 with above-average hat sizes. I have used it a couple of times in phone
 contests.
 
  I tried, but didn’t at all care for VOX operation. I find that there is
 little acoustic isolation between the microphone stalk and the ear cup to
 which it is attached, so when you move around, the noises that the headset
 itself creates trigger the VOX. So I now use a footswitch and that works
 beautifully. No unwanted noise triggering and no having the VOX drop during
 a breath from a long contest exchange. With the footswitch, VOX also does
 not get triggered when the XYL remarks “ANOTHER rare DX station that you
 must work right now?!” The sound quality of the speakers in the set is just
 fine and the mic is hot, so no worries about inadequacy in producing
 appropriate voice level to the K3.
 
  The usual disclaimers apply – I have nothing to do with BH other than
 being a satisfied customer.
 
  73 de Tyler, KC2LST
 
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Re: [Elecraft] [K3] FW 4.47 Fails 1mw Calibration

[Robert Bajuk]

I can confirm the same...FW 4.47 is having problems.

Tried several times to perform 1mW calibration with FW 4.47 on my K3,
always got the same error. I changed to FW 4.42 and 5W, 50W and 1mW
calibration works again. No errors. It looks like a FW 4.47 problem with
the 1mW calibration.

73 Robert, S57AW

2012/2/13 Keith-K5ENS ke...@nelasat.com

 Same here. Must be something with FW 4.47.

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 http://elecraft.365791.n2.nabble.com/K3-FW-4-47-Fails-1mw-Calibration-tp7279954p7280614.html
 Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] [K3] KXV3A fails 1 mW calibration

[Robert Bajuk]

I do have the same problem with TX Gain Calibration, 5w and 50w calibration
goes well, but 1mW calibration fails, I am getting the error something
like: Power set to 0.1 mW, 1.9 MHz,  TX gain calibration failed because
transmit power did not reach the expected value.

I did reload FW, EE INIT, settings restore, nothing helps.

KXV3A is enabled and set to normal in config, no jumpers on W1 and W2, 50
Ohm dummy load on XVTR Out is OK. XV144 does not work properly, I believe
that is connected with XVTR Out problems. XVTR parameters in config are set
correctly.

Any ideas?

73 Robert

2012/2/12 Don Wilhelm w3...@embarqmail.com

 Did you forget to cut the jumpers when you installed the KXV3A?

 73,
 Don W3FPR

 On 2/12/2012 11:22 AM, Pierfrancesco Caci wrote:
  I get the following error when trying the 1 mW calibration for a freshly
  installed KXV3A:
 
  Starting 1 milliwatt calibration.
  Calibrating at 1.900 MHz
  IsSamplingComplete: Unexpected response 'DB 0.10 MW;' to ''. State 220
  Calibration power settled at ' 0.10 MW;'
  1 milliwatt calibration failed.
  Elapsed time: 19.2 secs
 
 
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Re: [Elecraft] K3 blur was a no-show during ARRL 10m

[Robert Bajuk]

Hi Bruce,

It was really interesting... I was QRV for about 4 hours during ARRL 10m as
S50G (CW only) and it was interesting to hear last part of my transmission
(something like ET) after CQ... TEST. At the begging I was not sure what is
really happening with my K3  :-)

73 Robert, S57AW

It was also QUITE interesting to hear MYSELF call, as my own signal returned
 to my receiver after circling the globe. The smooth QSK in the K3 made this
 quite apparent.

 Great fun.

 72/73,
 Bruce N1RX


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[Elecraft] Interface KRC2 with MK2R

[Robert Bajuk]

Hi,

Is there a way to connect KRC2 to the MK2R outputs in order to switch BPF /
Antennas with Icom radios?

Regards,

Robert
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[Elecraft] KRC2 on eBay

[Robert Bajuk]

If you are in EU and you want assembled and tested KRC2 Band Decoder, its
for sale on eBay:

http://cgi.ebay.co.uk/Elecraft-KRC2-Band-Decoder-Assembled-/270715627956?pt=UK_ConsumerElectronics_SpecialistRadioEquipment_SMhash=item3f07e8a9b4#ht_500wt_1156

http://cgi.ebay.co.uk/Elecraft-KRC2-Band-Decoder-Assembled-/270715627956?pt=UK_ConsumerElectronics_SpecialistRadioEquipment_SMhash=item3f07e8a9b4#ht_500wt_115673
Robert
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Re: [Elecraft] adding 250Hz filer, any improvement?

[Robert Bajuk]

I found 8 pole 400 Hz and 5 pole 200 Hz as a great combination in last CQ 160m. 
400 Hz filter was to wide most of the time. 

73 Robert, S57AW

Sent from iPhone

Na dan 9. feb. 2011, ob 02:30, Wayne Burdick n...@elecraft.com je zapisal:

 On the other end of the spectrum: If the going is really tough, you  
 might consider our 200 Hz, 5-pole filter. It's a favorite of CW and  
 data-mode operators who routinely have to dig for weak ones between  
 monster signals in CW and data modes.
 
 73,
 Wayne
 N6KR
 
 On Feb 8, 2011, at 11:07 AM, Scott Ellington wrote:
 
 QRM levels are generally much lower outside EU or NA.  Years ago, I  
 did a CW contest from ZL with a TS-50 and a single 500 Hz filter.   
 That would have been woefully inadequate in NA, but it was fine  
 there.  So, the question I would ask is whether anyone in a non-EU  
 or NA QTH has compared the K3 400 Hz filter with narrower DSP with  
 the 250 Hz filter.  Surely, the 400 Hz fliter +DSP would be far  
 superior to that old TS-50, so I would expect it to be fine.  Note  
 that the K3 250 Hz filter is really about 370 Hz wide, compared to  
 435 for the 400 Hz one, so the difference isn't that great, anyway.
 
 Perhaps Jorge can check this out in the next contest:  Set the I  
 filter to 400 Hz, and the II filter to 250 Hz, both with the 400  
 Hz xtal filter. I'd be interested in the results.
 
 73,
 
 Scott  K9MA
 
 
 
 On Feb 8, 2011, at 11:49 AM, Jorge Diez - CX6VM wrote:
 
 Hello,
 
 
 
 I have both KFL3A-400 (400 Hz 8-pole) and KFL3A-1.8K  (1.8 kHz 8- 
 pole)
 filters in my K3.
 
 
 
 If I add a KFL3A-250 (250 Hz 8-pole) filter I will notice it better  
 to use
 in contests?  Or with the 400Hz is enough?  Notice I am not in USA  
 or EU
 with strong stations near me, I don´t have the QRM this big  
 populations
 have, trying to reduce the splatters.
 
 
 
 73,
 
 Jorge
 
 CX6VM/CW5W
 
 k3 #4077
 
 Scott Ellington
 Madison, Wisconsin
 USA
 
 
 
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[Elecraft] KRC2 band decoder for sale (EU)

[Robert Bajuk]

Hello!

I have just recently assemled KRC2 band decoder fro sale. It is fully tested
with the latest firmware. It just exceeds my needs at the moment, I have
some other decoders in function.

Please contact me off the list if you are interested (EU desirable)

73 Robert, S57AW
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Re: [Elecraft] P3 Questions

[Robert Bajuk]

From the P3 instruction manual:

When used with a K3, this power may be taken from the 12VDC OUT jack on the
K3 rear panel. The K3 is capable of supplying power to both the P3 and the
Elecraft PR6 six-meter preamplifier at the same time if 12VDC or greater is
supplied to the K3’s power connector.
Lower voltages at the K3 connector will cause the total current required by
the P3 and PR6 to exceed the 500 mA limit from the K3’s 12VDC outlet.

P3 requirements:
Power: 10-15 VDC is a standard 2.1 mm barrel connector for a 10-15 VDC
supply capable of delivering up to 0.5A.

73 Robert, s57aw

2010/12/5 Mike n...@nf4l.com

 I don't have a P3, so I don't know what it's power requirements are, but
 you're going
 to have to have a power supply anyway for the K3..

 73, Mike NF4L

 On 12/5/2010 8:23 AM, pastor...@verizon.net wrote:
  I am condidering a purchase of a P3 with my k3. Do I understand correctly
 that I would need an additional power supply for the P3?  Or would I be able
 to connect it to the power jack on back of the k3 for power?  If I need an
 addiitonal power supply that's going to make the equipment jammed packed.
  But I also read on the reflector that the power jack on the back of the K3
 doesn't have sufficient amps to run the K3.  Any advise would be greatly
 appreciated.  Mark KB3Z
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