The modification will involve *only* pin 6 of the RJ jack. Everything else must remain the same since we use that port for firmware emulation.
No SMDs need be removed or added in this mod. Just one added 1/8th-watt resistor. Wayne N6KR On Apr 15, 2016, at 9:27 AM, Warren Merkel <hullspee...@gmail.com> wrote: > Looks right Joe, > > Not knowing if the K-Pod is a 3.3v versus a 5V device, it is hard to > predict. If 3.3v, the 120R on pin 2 could be removed and keep the > protection of the BAT54 zener, leaving barely enough voltage for a 3.3V > dropout regulator in the Pod. If 5V, shorting the 10K on pin 6 would > likely be the route. Since the K-Pod also provides a USB port, my bet > is will be a pin 6 modification as it will require 5V to be "normal". > > What ever the mod, it stands to reason that the guys would try to keep > the port operational in it's original purpose as well. > > Pin 4 (PGD) and Pin 5( PGC) will obviously be for data in the > undisclosed format :) > > Whatever the mod will be, it will involve tiny smd chips... > > Diagram snip here: > https://dl.dropboxusercontent.com/u/24789865/K3_ICD-2_page22_Front_panel_MCU.JPG > > It looks like a bust to migrate the K-Pod to the KX3, as all of the pins > definitions on the internal "ACC" connector are switched all around, not > to mention it's a 3.3V setup and the connector isn't brought outside. > Would be a more serious modification indeed. > > Warren, KD4Z > > >> Message: 32 >> Date: Fri, 15 Apr 2016 09:58:38 -0400 >> From: "Joe Subich, W4TV" <li...@subich.com> >> To: elecraft@mailman.qth.net >> Subject: Re: [Elecraft] New Elecraft Product: K-Pod Control Panel for >> K3S and K3 Transceivers >> >> On 4/15/2016 9:31 AM, j...@kk9a.com wrote: >>>> How involved is the radio modification? I can see this as a >>>> convenient way to use RIT and activate the CW/SSB keyer memories. >> From looking at the K3 schematic it looks like not much more than >> removing a resistor and adding a jumper or perhaps changing a diode. >> There are two +5V lines on the RJ-12 jack but one has a 10K current >> limiting resistor and the other a diode/120 Ohm resistor. > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to n...@elecraft.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
