Re: [Elecraft] KPA500 PA DISS fault

[Glenn Anderson]

I had the same problem about a year ago.  It's a problem with the output PIN 
diode switch. There will be a burned toroid in the output switch circuit. I 
sent mine back for repair. It's been working fine since.Good luck,Glenn WB5TUF 
 Original message From: Rajiv Dewan  Date: 
7/16/23  08:45  (GMT-06:00) To: elecraft@mailman.qth.net Subject: [Elecraft] 
KPA500 PA DISS fault Hello,   My KPA500 developed a PA DISS fault right the 
start of the VHF contest operating FT8 on 6m.  It is:* showing this message on 
all bands.   The antenna is fine.  (1.2 SWR)* same fault even when feeding a 
good dummy load* I smelt acrid smoke :(What do you think I should check or 
do?Thanks for any tips,Best,Raj N2RD-- --Rajiv Dewan, 
N2RD__Elecraft 
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Re: [Elecraft] [BVARC] Elecraft P3 BLACK SCREEN but not DEAD

[Glenn Anderson]

I had the same problem with mine a while ago. The problem was with the
3.3-volr regulator module. It would get very hot and stop working after a
few minutes. There are two regulator modules on the input board. A 5-volt
and a 3.3-volt. They are the thick, black, edge-mounted things on the board.
If you have the same problem,  one of them will be very hot after a few
minutes. I replaced mine with a different type and it solved the issue. 

 

The module is a Rolm BP5220A and is no longer available. I did find one in
Taiwan, but I had already used a substitute.

 

Calls to the factory were of little help. 

 

Let me know if this is helpful.

 

Glenn WB5TUF

 

 

From: BVARC [mailto:bvarc-boun...@bvarc.org] On Behalf Of Allen Brier via
BVARC
Sent: Sunday, August 21, 2022 02:39
To: tdxs-l...@tdxs.net; 'BRAZOS VALLEY AMATEUR RADIO CLUB'
; ctd...@lists.kkn.net
Cc: n...@earthlink.net
Subject: [BVARC] Elecraft P3 BLACK SCREEN but not DEAD

 

My P3 screen has gone black. When I plug in the power, I still hear some
very quiet relay click.  Any quick ideas?

 

Full disclosure: I suffered a voltage spike some time ago which took out my
K3 some time ago (it is at Elecraft now); P3 still operated but the POWER
switch no longer worked, i.e. it was on all the time whenever power was
applied. (I am borrowing a K3 from a very, very good friend).

 

Does anyone work on P3's besides Elecraft?

 

 

Allen R. Brier N5XZ

1515 Windloch Lane

Richmond, TX 77406

713-705-4801

 

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Re: [Elecraft] K3s USB sound card problem

[Glenn Anderson]

Make sure that you have the K3 sound card selected as the output sound device 
in MMTTY.
 Original message From: Mike Dodd  Date: 
7/21/18  09:13  (GMT-06:00) To: elecraft@mailman.qth.net Subject: [Elecraft] 
K3s USB sound card problem 
I'm trying to get my K3s with built-in USB sound card working with MMTTY 
in data mode AFSK A. I had this set up and working FB in the past, but 
now I can't transmit.

Since the last time I used RTTY, I have installed a KPA500 and KAT500, 
with their associated factory cabling. But Elecraft Support says these 
have no effect on the USB sound card.

I'm running Windows 8.1 Pro.

I am convinced that audio from an application is not reaching the USB 
sound card. In Control Panel I can test the speakers by playing a sound. 
If I do this test with the computer speakers, I hear the sound. But if I 
test with the USB audio codec, the K3 doesn't go into XMIT (VOX is on), 
and there is no indication on the ALC meter.

I have rebooted the PC several times.

The K3 Utility communicates with the K3s, and the Terminal can transmit 
in the FSK D mode. But I assume Terminal does not send audio FSK tones, 
so it's of no help there.

I have unplugged and re-plugged the USB cable from the Elecraft 
equipment to the PC, but this did not solve the problem. Windows Control 
Panel says the audio device is working correctly.

But it doesn't receive audio from Windows applications.

Does anyone have any suggestions?

Thank you.

-- 
73, Mike N4CF
Louisa County, VA USA
Elecraft K-Line: K3s / P3 / KPA500 / KAT500
Carolina Windom up 45'
http://n4cf.mdodd.com
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Re: [Elecraft] Nice 6 m opening right now

[Glenn Anderson]

Yeah I know...FT 8 has been going crazy all week! I've gotten several new 
countries confirmed on LOTW.
73, Glenn wb5tuf 
 Original message From: Wayne Burdick  Date: 
6/7/18  17:25  (GMT-06:00) To: Elecraft Reflector  
Cc: k...@yahoogroups.com Subject: [Elecraft] Nice 6 m opening right now 
...Including SSB activity on 50.125...just had a cross-mode contact with W5ZF. 
Lots of new beacons heard.

73,
Wayne
N6KR

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Re: [Elecraft] KPA1500 and FT8

[Glenn Anderson]

I normally run 500 to 600 watts on ft8. I would go higher if my amp could do 
it.Life too short for QRP
Glenn WB5TUF 
 Original message From: Carl Jón Denbow  Date: 
3/3/18  14:01  (GMT-06:00) To: Dennis Moore  Cc: Elecraft 
Reflector  Subject: Re: [Elecraft] KPA1500 and FT8 
I feel all kinds of guilty if I pump it up to 110 watts on FT8 (or a JT mode) 
to bag a difficult station.  A gallon and a half is down right sinful. ;-)

73,

Carl
N8VZ

Sent from my iPad

> On Mar 3, 2018, at 2:50 PM, Dennis Moore  wrote:
> 
> No, 1500 watts on FT8 is not normal.
> 
> 73, Dennis NJ6G
> 
> 
>> On 3/3/2018 06:40, Carl Yaffey wrote:
>> Tried full power on 20M FT8 this morning in order to work weak Russian. Temp 
>> gets as high as 75C. Loud fan kicks in. Hope this is normal.
>> 
>> Carl Yaffey  K8NU
> 
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Re: [Elecraft] 10 m RTTY contest still going on; three CA stations calling CQ....

[Glenn Anderson]

Nothing but channel Z down here. 
WB5TUF 
 Original message From: Wes Stewart  
Date: 12/3/17  14:05  (GMT-06:00) To: elecraft@mailman.qth.net Subject: Re: 
[Elecraft] 10 m RTTY contest still going on;
  three CA stations calling CQ 
If ND2T is one of you he has to listen too.

N7WS


On 12/3/2017 12:26 PM, Wayne Burdick wrote:
> Make that 28082!
>
> Wayne
>
>
>> On Dec 3, 2017, at 11:23 AM, Wayne Burdick  wrote:
>>
>> The band sounds dead but dxmaps.com shows some F2 activity as well as 
>> sporadic-E. There are three of us clustered around 14082 hoping we’re not 
>> doing an all-CA contest
>>
>> 73,
>> Wayne
>> N6KR
>>

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Re: [Elecraft] 10 m RTTY contest still going on; three CA stations calling CQ....

[Glenn Anderson]

It's pretty quiet down here in Texas...I'm calling on 28081 but only working 
locals.
Glenn WB5TUF 
 Original message From: Wayne Burdick  Date: 
12/3/17  13:23  (GMT-06:00) To: Elecraft Reflector  
Subject: [Elecraft] 10 m RTTY contest still going on;
three CA stations calling CQ 
The band sounds dead but dxmaps.com shows some F2 activity as well as 
sporadic-E. There are three of us clustered around 14082 hoping we’re not doing 
an all-CA contest

73,
Wayne
N6KR

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Re: [Elecraft] [P3] P3TXMon Wattage/SWR

[Glenn Anderson]

Is it the same sensor that is used with the W2 power meter? If so, can one 
sensor drive both devices?
Glenn WB5TUF
 Original message From: MaverickNH  
Date: 8/27/17  10:55  (GMT-06:00) To: elecraft@mailman.qth.net Subject: Re: 
[Elecraft] [P3] P3TXMon Wattage/SWR 
I found a manual 4-way switch that should work nicely. Thanks Don.
Bret/N4SRN



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View this message in context: 
http://elecraft.365791.n2.nabble.com/P3-P3TXMon-Wattage-SWR-tp7633727p7633801.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K3: Odd ALC behavior

[Glenn Anderson]

OK...so here's how I do it...

1. Press the "tune" button on the K3.
2. Set output power for a convenient reading on your wattmeter (50 watts). Exit 
"tune" mode.
3. Activate the "tune" function on WSJL or send a test tone from your favorite 
digital program.
4. Adjust whatever the series of audio controls that you have to make the 
output power match the value in step 2.
5. Exit test mode.
6. Operate

I don't pay any attention to the ALC meter after this point. For the record, 
mine seems to flash between one and four bars.

YMMV

Glenn WB5TUF

-Original Message-
From: Dave Cole [mailto:d...@nk7z.net] 
Sent: Friday, August 04, 2017 7:54 AM
To: Glenn Anderson ; elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3: Odd ALC behavior

Hi Glenn,

Respectfully, the issue, as already stated a few times, in several messages, is 
not that no one knows what to adjust, and we are all over thinking how to fix 
this, but that it is not possible to get the desired results, no matter what 
one adjusts.

I have adjusted all possible combinations of level controls-- LINE IN on the 
K3, the sound card out on the computer, and the Power Out on WSJT-X, to get to 
the desired results, and have failed.

Given that I am a pretty creative fellow, and spend decades in the Electronics 
industry, I suspect I am doing this correctly, so no, I am pretty sure this is 
not a case of over thinking, but of something not visible happening.

I just read Ken's post of July 16th, and yes Ken's problem sounds like the same 
issue I have-- as one approaches the correct settings, the K3 jumps to 
instantly to 5 bars, skipping 4 bars, or as you lower any input to the K3, the 
ALC actions simply stops at 5 bars...  Then te ALC levels start to pump, while 
power out stays the same...

I have heard this described as Power Hunting before, but in my case, it seems 
totally disconnected from any power settings I run.  I have tried everything 
from 1 watt to 100 watts, and the behavior never changes.

Alas, I fear I will just continue running with a bit of ALC, which I don't want 
to do...  I would like to set it up as per Elecraft recommendations, but that 
seems impossible.


73s and thanks,
Dave
NK7Z
http://www.nk7z.net

On 08/04/2017 05:11 AM, Glenn Anderson wrote:
> You guys are over-thinking this "issue". Just set whatever combination 
> of level controls it takes to get four solid bars and a flashing fifth 
> on the ALC and get on with it.that works for me.
> 
> See Y'all on FT8!
> 
> Glenn WB5TUF
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dave Cole
> Sent: Thursday, August 03, 2017 11:52 PM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] K3: Odd ALC behavior
> 
> Thanks to all for the sheer number and breadth of answers...  Rather 
> than answer each one, and create a huge number of posts, I will try 
> and answer all here...
> 
> I have done all the steps outlined i the posts here before, and have 
> tried them again today.
> 
> Output from the computer is sitting dead center, line in was sitting 
> at 27, and the power slider on WSJT-X is sitting at 4/5th full.
> 
> I took a different sound card program, (MixW in RTTY), and I got the 
> same behavior at 5 bars, the meter shows 5 bars, or no bars going 
> between those conditions about once or twice a second randomly.
> 
> If I increase ANY of the audio controls it drops out of that mode, and 
> acts just as Elecraft say to set things, just one bar higher, i.e. 
> sits at 5 bars, and the 6th flashes...
> 
> No combination I can create of the input, or output controls will stop this.
> 
> I also tried adjusting the power controls set a 1 watt, and at 50 watts.
>The power control makes zero difference in how it behaves.  In fact 
> if I am in TEST TRANSMIT mode the problem shows...
> 
> Listening to the computer output via MON-- sounds perfect...
> 
> I may next get the scope out again, and start looking at things again...
>I doubt it is the sound card changing levels because the issue goes 
> away if I turn up LINE IN on the K3...
> 
> I am still at a loss as to what is causing this issue.  I am pretty 
> sure it is an artifact of something happening in the K3, but for the 
> life of me I can't figure it out.
> 
> 73s and thanks,
> Dave
> NK7Z
> http://www.nk7z.net
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&

Re: [Elecraft] K3: Odd ALC behavior

[Glenn Anderson]

You guys are over-thinking this "issue". Just set whatever combination of
level controls it takes to get four solid bars and a flashing fifth on the
ALC and get on with it.that works for me.

See Y'all on FT8!

Glenn WB5TUF

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dave Cole
Sent: Thursday, August 03, 2017 11:52 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3: Odd ALC behavior

Thanks to all for the sheer number and breadth of answers...  Rather than
answer each one, and create a huge number of posts, I will try and answer
all here...

I have done all the steps outlined i the posts here before, and have tried
them again today.

Output from the computer is sitting dead center, line in was sitting at 27,
and the power slider on WSJT-X is sitting at 4/5th full.

I took a different sound card program, (MixW in RTTY), and I got the same
behavior at 5 bars, the meter shows 5 bars, or no bars going between those
conditions about once or twice a second randomly.

If I increase ANY of the audio controls it drops out of that mode, and acts
just as Elecraft say to set things, just one bar higher, i.e. sits at 5
bars, and the 6th flashes...

No combination I can create of the input, or output controls will stop this.

I also tried adjusting the power controls set a 1 watt, and at 50 watts. 
  The power control makes zero difference in how it behaves.  In fact if I
am in TEST TRANSMIT mode the problem shows...

Listening to the computer output via MON-- sounds perfect...

I may next get the scope out again, and start looking at things again... 
  I doubt it is the sound card changing levels because the issue goes away
if I turn up LINE IN on the K3...

I am still at a loss as to what is causing this issue.  I am pretty sure it
is an artifact of something happening in the K3, but for the life of me I
can't figure it out.

73s and thanks,
Dave
NK7Z
http://www.nk7z.net
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[Elecraft] XV144 and RemoteRig For Sale

[Glenn Anderson]

I have an XV144 with oven for sale. I built and tested it but decided to go
for the internal transverter instead.  $400.00

 

I also have the Remoterig RRIGSET with the RRMTCBL and RRK3CBL for sale. It
is new in box never used. $450.00

 

Please contact me directly at wb5...@comcast.net 
.

 

Paypal accepted.

 

73,

 

Glenn WB5TUF

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Re: [Elecraft] K3: Configuring N1MM to send CW

[Glenn Anderson]

 Had this same problem. I am not using a USB- just a regular COM port. I
finally had to switch to the Kenwood TS 940 driver in n1mm. The K3 driver
would go into transmit as soon as I would try to select the DTR function.

Glenn

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill Feidt
Sent: Sunday, February 15, 2009 4:28 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3: Configuring N1MM to send CW

I'm trying to set up N1MM to send CW to my K3 for ARRL DX CW next weekend.
I'm 
using the USB to Serial cable supplied by Elecraft.  The computer radio
control 
is working fine and I'm able to get spots, change bands, QSY to spots, etc.
I'm 
set up for SO1V. I've checked "CW" box on the same port (COM4) as is used
for 
radio control. The N1MM K3 "SupportedRadios" page 
(http://pages.cthome.net/n1mm/html/English/SupportedRadios.htm) says,

   The K3 accepts CW on DTR (pin 4) of the same COM port
   you're using to control the K3. Set N1MM to send CW on
   that port (Ports setup), and set PTT-KEY (second K3
   CONFIG menu) to OFF-DTR, and set the K3 for QSK. In
   other words, you don't need that transistor adapter unless
   you want to do SO2R.

However, when I set PTT-KEY to OFF-DTR, the K3 goes into "Test" output mode
and 
the transmitted in keyed continuously until I take it out of OFF-DTR.  The
K3 is 
set for QSK.

What am I doing wrong?

Any insight will be very much appreciated.

73,

Bill/NG3K





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