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K3/100 Assembly - KSYN3 Installation

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Walter V. Gilles

K3/100 Assembly - KSYN3 Installation

Greetings,

Ref: K3 Kit Assembly Manual, Rev. F, October 28, 2008.

I was just about to install the KSYN3 (ref manual, page 50) when I noticed that one pin on P73 on the KSYN3 board is missing. Looking at the figure on page 50, it is the third pin from the right, top row. The pin comes off the PCB, bends and enters the plastic, but it is missing on the other side (pins that insert into J73), close to the plastic portion of the plug. Just a tiny bit of the pin shows, not enough to insert into J73 at all.

The manual does not have an "OBTW" regarding this, nor could I find any reference here on this missing pin, and the pictures in the manual, including the parts list photo do not reveal a missing pin. Soooo......can anybody please provide the missing clue so I can proceed with confidence or contact Elecraft. Thanks much.

Walter, N0DZJ

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Eric Swartz - WA6HHQ

Re: K3/100 Assembly - KSYN3 Installation

Administrator

Hi Walter,

I believe we key the ksyn3 connector for proper insertion by removing one unused pin and placing a plug in the mating hole on the RF board. You can take a look at the mating conector to confirm.

73,

Eric WA6HHQ
_..._
-----Original Message-----
From: "Walter V. Gilles" <[hidden email]>
Date: Wednesday, Feb 11, 2009 9:55 pm
Subject: [Elecraft] K3/100 Assembly - KSYN3 Installation
To: [hidden email]-To: [hidden email]

Greetings,

Ref: K3 Kit Assembly Manual, Rev. F, October 28, 2008.

I was just about to install the KSYN3 (ref manual, page 50) when I noticed that one pin on P73 on the KSYN3 board is missing. Looking at the figure on page 50, it is the third pin from the right, top row. The pin comes off the PCB, bends and enters the plastic, but it is missing on the other side (pins that insert into J73), close to the plastic portion of the plug. Just a tiny bit of the pin shows, not enough to insert into J73 at all.

The manual does not have an "OBTW" regarding this, nor could I find any reference here on this missing pin, and the pictures in the manual, including the parts list photo do not reveal a missing pin. Soooo......can anybody please provide the missing clue so I can proceed with confidence or contact Elecraft. Thanks much.

Walter, N0DZJ

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Help: http://mailman.qth.net/mmfaq.htm
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Matt Zilmer

Re: K3/100 Assembly - KSYN3 Installation

In reply to this post by Walter V. Gilles

Hi Walter,

Don't know OBTW but on some male connectors unused pins are cut to use
as keys. I don't recall this being one of them, however. There is no
easy way to plug the KSYN3 in backwards but it's possible the key is
added to keep the connector from being misaligned If there is a
keyplug inserted into the matching female pin hole, then this is
certainly a key pin.

Elecraft doesn't screw up things like this. Pins 3 and 6 are n/c, so
it's likely your cut pin is pin 3, and it's being used as a key. Check
your schematics to be sure that it's pin 3, then move on.

Oh yes. Welcome to K3-ness. You'll feel better shortly.

73,
matt zilmer, W6NIA
K3 #24

On Wed, 11 Feb 2009 21:55:14 -0800 (PST), you wrote:

>Greetings,
>
>Ref: K3 Kit Assembly Manual, Rev. F, October 28, 2008.
>
>I was just about to install the KSYN3 (ref manual, page 50) when I noticed that one pin on P73 on the KSYN3 board is missing. Looking at the figure on page 50, it is the third pin from the right, top row. The pin comes off the PCB, bends and enters the plastic, but it is missing on the other side (pins that insert into J73), close to the plastic portion of the plug. Just a tiny bit of the pin shows, not enough to insert into J73 at all.
>
>The manual does not have an "OBTW" regarding this, nor could I find any reference here on this missing pin, and the pictures in the manual, including the parts list photo do not reveal a missing pin. Soooo......can anybody please provide the missing clue so I can proceed with confidence or contact Elecraft. Thanks much.
>
>Walter, N0DZJ
>
>
>