Hello Scott.
What is the current the radio draws?
Is it possible that there might be an bad soldering or an forgotten
one? it`s way to easy to do.
73 de Thomas LA3PNA
Den 21. mars. 2008 kl. 22.53 skrev Scott McDowell:
Hi
I am having some problems with a K2 that I am building that I need
some help with.
During the part 2 alignment and test I discovered that the BFO
wasn't working.
While investigating that, the frequency counter and volt meter
stopped working.
I've been checking on the counter and volt meter and found some
voltages that
are not right. For instance on the control board U6 microcontroler
pin ten has 0 volts
instead of 5. Pin 18 has 4.9 volts instead of 0 volts. Pin 24 has 0
volts instead
of 5 volts. Pin 25 has 5 volts instead of 0 volts. Pin 33 has 0
volts instead of 5 volts.
Should I replace U6, or could the problem be somewhere else that is
causing
these crazy voltages?
Also on CB U2 all the voltages are about half what they should be.
CB U7 has 0 volts on pin 5 instead of 5 volts. Pin 6 has 4.94 volts
instead of 0 volts.
I'm not much of technition, so do I need to throw the whole mess
away and start
over on a new one?
Thanks
Scott N5SM
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