KIO3 board found

[wa8wzg]

Thanks for all the quick replies from everyone,
I have secured a replacement board and am looking forward to getting the
K3 on the air.
Thanks again to all that replied.
Tom
Wa8WZG

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[Don Butler]

I’m just getting to know my new KPA1500 and am having a ball doing so …. it is a gem!    one minor problem:  I’m using the key line interrupter in the Aux cable since I am keying through a microHam MK2R+ (the K3S/KPA1500 is one of two radios connected through the MK2R+ ….. so the key line must now run from K3 to MK2R+ to KPA1500).   Without the direct keyline connection between K3 and amp I must manually key the K3 to initiate an ATU tune cycle  ….  I suspect that the same problem would exist if I were using a KPA500  …. How have KPA500 users been working around this?

Don, N5LZ



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[Dick Dievendorff-4]

You might run a cable from the KPA1500 back panel TUNE connector to the K3 straight key input.  The KPA1500 pulls the tip of the connector low when it needs to do an ATU tune (because you pressed the ATU TUNE button, or we're doing an "swr-initiated" tune.  I use a 3.5mm TRS plug to plug (the green kind from lots of computer sound cards), and a 3.5mm to 1/4" stereo adapter that plugs into the K3 straight key line.

I may have missed the thrust of your question, but this is how I cause my K3 to provide carrier for ATU tuning when needed.

73 de Dick, K6KR




-----Original Message-----
From: [hidden email] <[hidden email]> On Behalf Of Don Butler
Sent: Wednesday, March 7, 2018 17:17
To: [hidden email]
Subject: [Elecraft] KPA1500 ... ATU tune cycle must be initiated manually since key line interrupter is installed

I’m just getting to know my new KPA1500 and am having a ball doing so …. it is a gem!    one minor problem:  I’m using the key line interrupter in the Aux cable since I am keying through a microHam MK2R+ (the K3S/KPA1500 is one of two radios connected through the MK2R+ ….. so the key line must now run from K3 to MK2R+ to KPA1500).   Without the direct keyline connection between K3 and amp I must manually key the K3 to initiate an ATU tune cycle  ….  I suspect that the same problem would exist if I were using a KPA500  …. How have KPA500 users been working around this?

Don, N5LZ



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[Don Butler]

Tnx Dick …. Sounds like that will work … I’ll take a close look at it …. The big microHam cable assembly between MK2R+ and K3 is currently using the K3 straight key jack but I should be able to make a Y adapter to run both lines in ….

Don

Sent from Mail for Windows 10

From: [hidden email]
Sent: Wednesday, March 7, 2018 7:02 PM
To: 'Don Butler'; [hidden email]
Subject: RE: [Elecraft] KPA1500 ... ATU tune cycle must be initiated manually since key line interrupter is installed

You might run a cable from the KPA1500 back panel TUNE connector to the K3 straight key input.  The KPA1500 pulls the tip of the connector low when it needs to do an ATU tune (because you pressed the ATU TUNE button, or we're doing an "swr-initiated" tune.  I use a 3.5mm TRS plug to plug (the green kind from lots of computer sound cards), and a 3.5mm to 1/4" stereo adapter that plugs into the K3 straight key line.

I may have missed the thrust of your question, but this is how I cause my K3 to provide carrier for ATU tuning when needed.

73 de Dick, K6KR




-----Original Message-----
From: [hidden email] <[hidden email]> On Behalf Of Don Butler
Sent: Wednesday, March 7, 2018 17:17
To: [hidden email]
Subject: [Elecraft] KPA1500 ... ATU tune cycle must be initiated manually since key line interrupter is installed

I’m just getting to know my new KPA1500 and am having a ball doing so …. it is a gem!    one minor problem:  I’m using the key line interrupter in the Aux cable since I am keying through a microHam MK2R+ (the K3S/KPA1500 is one of two radios connected through the MK2R+ ….. so the key line must now run from K3 to MK2R+ to KPA1500).   Without the direct keyline connection between K3 and amp I must manually key the K3 to initiate an ATU tune cycle  ….  I suspect that the same problem would exist if I were using a KPA500  …. How have KPA500 users been working around this?

Don, N5LZ



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[Dick Dievendorff-4]

I’d encourage a stereo Y ¼” adapter. You don’t want to connect tip to ring at the KPA1500.

 

Something like this:

 

https://www.amazon.com/Stereo-Y-Adapter-Single-Male-Female/dp/B00FE089DQ

 

I have some solid Y phone adapters, but they may not work as well when the K3 front is lifted by its tilt stand.

 

Actually I’ve put my K3 on a shelf and now use a K-Pod near the keyboard so I’m not constantly twisting the VFO knob on the K3.

 

73 de Dick, K6KR

 

 

From: Don Butler <[hidden email]>
Sent: Wednesday, March 7, 2018 21:40
To: [hidden email]; [hidden email]
Subject: RE: [Elecraft] KPA1500 ... ATU tune cycle must be initiated manually since key line interrupter is installed

 

Tnx Dick …. Sounds like that will work … I’ll take a close look at it …. The big microHam cable assembly between MK2R+ and K3 is currently using the K3 straight key jack but I should be able to make a Y adapter to run both lines in ….

 

Don

 

Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986>  for Windows 10

 

From: [hidden email] <mailto:[hidden email]>
Sent: Wednesday, March 7, 2018 7:02 PM
To: 'Don Butler' <mailto:[hidden email]> ; [hidden email] <mailto:[hidden email]>
Subject: RE: [Elecraft] KPA1500 ... ATU tune cycle must be initiated manually since key line interrupter is installed

 

You might run a cable from the KPA1500 back panel TUNE connector to the K3 straight key input.  The KPA1500 pulls the tip of the connector low when it needs to do an ATU tune (because you pressed the ATU TUNE button, or we're doing an "swr-initiated" tune.  I use a 3.5mm TRS plug to plug (the green kind from lots of computer sound cards), and a 3.5mm to 1/4" stereo adapter that plugs into the K3 straight key line.

 

I may have missed the thrust of your question, but this is how I cause my K3 to provide carrier for ATU tuning when needed.

 

73 de Dick, K6KR

 

 

 

 

-----Original Message-----

From: [hidden email] <[hidden email] <mailto:[hidden email]> > On Behalf Of Don Butler

Sent: Wednesday, March 7, 2018 17:17

To: [hidden email] <mailto:[hidden email]>

Subject: [Elecraft] KPA1500 ... ATU tune cycle must be initiated manually since key line interrupter is installed

 

I’m just getting to know my new KPA1500 and am having a ball doing so …. it is a gem!    one minor problem:  I’m using the key line interrupter in the Aux cable since I am keying through a microHam MK2R+ (the K3S/KPA1500 is one of two radios connected through the MK2R+ ….. so the key line must now run from K3 to MK2R+ to KPA1500).   Without the direct keyline connection between K3 and amp I must manually key the K3 to initiate an ATU tune cycle  ….  I suspect that the same problem would exist if I were using a KPA500  …. How have KPA500 users been working around this?

 

Don, N5LZ

 

 

 

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