Hello Christian,
The issue, though, is that when I tap the menu button or the display
button, "not inst" will flash for a second before the menu is displayed.
All tests checked out after power up, except the keyer, since I don't
have a paddle. Let me add that at this point, I am missing one
pushbutton switch, S16, which I am waiting on a replacement for.
An not installed pushbutton is as good as an not switched pushbutton. No
problems with it.
First of all check the right orientation of the resistor pack RP1. I had
installed RP1 in the wrong direction and the results was very strange and
currios.
Then check the orientation of RP1 again. No, its no joke. Please do it.
Then check pins 3, 4 and 5 of the resistor pack RP1 on bottom of the PCB and
(!) on the top of the PCB. I think there is a solder bridge from pin 4 to 3
and 5. Pin 3 is the "DISPLAY" and pin 5 is the "MENU" and in the middle pin
4 is the "ANT 1/2" which is not installed in your K2 at the time. U2 is an
multiplex IC, so sometimes the bridge suggested the MCU U6 a switched on
display button or sometimes a switched on menue button (to be governed by
the U2 multiplexer status) or all seems to be OK.
--
72/73 de Ingo, DK3RED Don't forget: the fun is the power!
[EMAIL PROTECTED] www.dk3red.homepage.t-online.de
L-QRP-AG #824 www.dl-qrp-ag.de
QRP ARCI #11295 www.qrparci.org
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