K1 retrofit backlight mod

[Lloyd Lachow-2]

The backlight mod on the Elecraft site says that it's for unbuilt kits. Can
it be added to a built kit? If not, is there a mod for that, somewhere...?
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[Don Wilhelm]

Lloyd,

The kit for built K1s included the LCD p/n E600015, for unbuilt K1s it
was not included.

In order to install the backlight the LCD must be removed and will most
likely be destroyed in the process.  The easiest way to remove it is to
cut the pins close to the LCD body and then remove them one at a time.

Before doing anything, check with the Elecraft sales office to be
certain both the p/n E600015 and the backlight kit for an unbuilt K1 are
available.

73,
Don W3FPR

On 7/6/2019 4:34 PM, LL wrote:
> The backlight mod on the Elecraft site says that it's for unbuilt kits. Can
> it be added to a built kit? If not, is there a mod for that, somewhere...?
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[Jessie Oberreuter-2]

      If not, you might still be able to source the relevant parts.  I made
mine before the official kit existed by ordering parts from Mouser.  Mine
has a red backlight instead of the Elecraft green :).  -kb7psg

On Sat, 6 Jul 2019, Don Wilhelm wrote:

> Lloyd,
>
> The kit for built K1s included the LCD p/n E600015, for unbuilt K1s it was
> not included.
>
> In order to install the backlight the LCD must be removed and will most
> likely be destroyed in the process.  The easiest way to remove it is to cut
> the pins close to the LCD body and then remove them one at a time.
>
> Before doing anything, check with the Elecraft sales office to be certain
> both the p/n E600015 and the backlight kit for an unbuilt K1 are available.
>
> 73,
> Don W3FPR
>
> On 7/6/2019 4:34 PM, LL wrote:
>> The backlight mod on the Elecraft site says that it's for unbuilt kits. Can
>> it be added to a built kit? If not, is there a mod for that, somewhere...?
> ______________________________________________________________
> 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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[David Gilbert]

Before a backlight kit was ever available for the K1 from Elecraft, I
built my own and was able to position it at the side of the LCD without
tearing everything apart.  I used a single white LED, and if I remember
correctly I filed the face of the LED plastic body to make the light
scatter better.  I used a FET connected as a series current limiter to
give a few milliamps of current, and picked up a switched 12 volt from
somewhere on the circuit board.  It works fine.

Dave   AB7E



On 7/6/2019 3:53 PM, Don Wilhelm wrote:

> Lloyd,
>
> The kit for built K1s included the LCD p/n E600015, for unbuilt K1s it
> was not included.
>
> In order to install the backlight the LCD must be removed and will
> most likely be destroyed in the process.  The easiest way to remove it
> is to cut the pins close to the LCD body and then remove them one at a
> time.
>
> Before doing anything, check with the Elecraft sales office to be
> certain both the p/n E600015 and the backlight kit for an unbuilt K1
> are available.
>
> 73,
> Don W3FPR
>
> On 7/6/2019 4:34 PM, LL wrote:
>> The backlight mod on the Elecraft site says that it's for unbuilt
>> kits. Can
>> it be added to a built kit? If not, is there a mod for that,
>> somewhere...?
> ______________________________________________________________
> 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
> Message delivered to [hidden email]

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