K3 Upgrade Kit Question

[Joel R. Hallas]

I appreciate that the REMIOUPGD upgrade kit resolves ALC and band data
pull-up issues -- neither of which are of interest to me at the moment.
However, I wonder if the new board also includes updates to resolve the RF
pickup problems in lines connected to the K3 rear-panel MIC, PHONES, PC
IN/OUT and RS-232 rear-panel connectors?

If so it would, IMHO, be worthwhile even if I never have anything that reads
band data.

Regards, Joel
Joel R. Hallas, W1ZR


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[Eric Swartz - WA6HHQ]

The REMIOUPGD board only deals with the -AGC and Band Data pull-up
changes. We're basically offering it at or below cost for older K3s.
(All newer ones have this.)

For those interested in ordering this board, which replaces the digital
I/O remote board on the KIO3, its available for $20 on our parts and mod
kits order page:
http://www.elecraft.com/order_form_parts.htm#K3%20Parts

And our complete listing of K3 app notes and mods is:
http://www.elecraft.com/K3/k3_app_notes.htm

73, Eric  WA6HHQ




Joel R. Hallas wrote:

> I appreciate that the REMIOUPGD upgrade kit resolves ALC and band data
> pull-up issues -- neither of which are of interest to me at the moment.
> However, I wonder if the new board also includes updates to resolve the RF
> pickup problems in lines connected to the K3 rear-panel MIC, PHONES, PC
> IN/OUT and RS-232 rear-panel connectors?
>
> If so it would, IMHO, be worthwhile even if I never have anything that reads
> band data.
>
> Regards, Joel
> Joel R. Hallas, W1ZR
>  

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[Mike K2MK]

Hi Joel:

The upgrade to improve RF immunity affects two different I/O boards. The
board with the audio connectors on it and the board with the DB9 and DB15
connectors. The ALC mod kit for $20 is a Rev B version of the board with the
DB9 and DB15 connectors. And I don't know if the RF immunity mod was done to
that board or not. Someone who has the Rev B board in front of them would
have to comment on whether choke L1 has been jumpered across (or perhaps
removed entirely).

73,
Mike K2MK

Joel R. Hallas
Fri, 06 Mar 2009 13:58:46 -0800

I appreciate that the REMIOUPGD upgrade kit resolves ALC and band data
pull-up issues -- neither of which are of interest to me at the moment.
However, I wonder if the new board also includes updates to resolve the RF
pickup problems in lines connected to the K3 rear-panel MIC, PHONES, PC
IN/OUT and RS-232 rear-panel connectors?

If so it would, IMHO, be worthwhile even if I never have anything that reads
band data.

Regards, Joel
Joel R. Hallas, W1ZR
 

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[Robert Dorchuck]

It has not been jumpered or removed.
Bob  W6VY

----- Original Message -----
From: "K2MK" <[hidden email]>
To: <[hidden email]>; "Elecraft Reflector"
<[hidden email]>
Sent: Friday, March 06, 2009 4:53 PM
Subject: Re: [Elecraft] K3 Upgrade Kit Question

> Hi Joel:
>
> The upgrade to improve RF immunity affects two different I/O boards.
> The
> board with the audio connectors on it and the board with the DB9 and
> DB15
> connectors. The ALC mod kit for $20 is a Rev B version of the board
> with the
> DB9 and DB15 connectors. And I don't know if the RF immunity mod was
> done to
> that board or not. Someone who has the Rev B board in front of them
> would
> have to comment on whether choke L1 has been jumpered across (or
> perhaps
> removed entirely).
>
> 73,
> Mike K2MK
>
> Joel R. Hallas
> Fri, 06 Mar 2009 13:58:46 -0800
>
> I appreciate that the REMIOUPGD upgrade kit resolves ALC and band
> data
> pull-up issues -- neither of which are of interest to me at the
> moment.
> However, I wonder if the new board also includes updates to resolve
> the RF
> pickup problems in lines connected to the K3 rear-panel MIC, PHONES,
> PC
> IN/OUT and RS-232 rear-panel connectors?
>
> If so it would, IMHO, be worthwhile even if I never have anything
> that reads
> band data.
>
> Regards, Joel
> Joel R. Hallas, W1ZR
>
>
> ______________________________________________________________
> 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

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