flashy k2 on youtube

[John Cooper]

Ok I followed LA3ZA advice on adding 5 LEDs in the keycaps for Transmit Light, Rx Ant Light, Zero beat indicator K6XX board, Audio Filter indicator light, and RIT/XIT SPLIT indicator.  The video is on youtube under the title flashy k2.

WT5Y

heres a link   http://youtu.be/cJJ2WiN18oM
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[Sverre Holm (LA3ZA)]

John Cooper-10 wrote

heres a link   http://youtu.be/cJJ2WiN18oM

Nice work John!

But then how could I say anything but that - he was inspired by my page here:
http://la3za.blogspot.com/2011/05/five-k2-leds-in-buttons.html

[Terry Schieler]

Can anyone point me to some sort of step-by-step pictorial for the 5 LED K2
button mod that Steve did?  I've viewed LA3ZA's YouTube video and
schematics, but could benefit from an "Elecraft-type" step-by-step procedure
for this mod. (Similar to what Tom, N0SS has provided for his panel-mount
version)

Thanks in advance.

73,

Terry, W0FM


-----Original Message-----
From: John Cooper [mailto:[hidden email]]
Sent: Wednesday, June 22, 2011 4:28 AM
To: Sverre Holm; Ron Polityka; elecraft
Subject: [Elecraft] flashy k2 on youtube

Ok I followed LA3ZA advice on adding 5 LEDs in the keycaps for Transmit
Light, Rx Ant Light, Zero beat indicator K6XX board, Audio Filter indicator
light, and RIT/XIT SPLIT indicator.  The video is on youtube under the title
flashy k2.

WT5Y

heres a link   http://youtu.be/cJJ2WiN18oM

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[Sverre Holm (LA3ZA)]

Terry Schieler wrote

Can anyone point me to some sort of step-by-step pictorial for the 5 LED K2
button mod?

Yes and no.

You should realize that the addition of these LEDs requires substantial modifications to the K2 such as desoldering of parts, cutting of PCB traces, and addition of pins to PCB connectors with a risk of ruining something in the K2 in the process. I am not sure that I would recommend that anyone does it unless they are comfortable in following the schematic and description that already exist (http://la3za.blogspot.com/2011/05/five-k2-leds-in-buttons.html).

With that said, two or three of the LEDs are simpler than the others. In particular the RIT/XIT/Split LED for which there already exists a step-by-step instruction from N0SS (although not for putting the LED in the button, so the instruction needs to be modified for a smaller non-ultrabright LED). In addition the Zero-beat LED is fairly simple to add provided one can build the zero-beat detector. As number three I would say that the Red transmit indicator shouldn't be too hard.

Concerning the Audio Filter LED and the RX ant LED, then I would definitely not recommend that anyone adds them without a good understanding of the K2's internal machinery. And some self confidence for this kind of work.