Good morning,
I'm still in the process of building my kpa100. After
my learning process concerning soldering :-) I
stumbled upon some voltages.
I'm on page 43 in the manual now and got some numbers
a bit off the given values (PS is 14V).
D13 154V
U4 -27.4V
TP1 0V
J3+ 0.1V
Are these numbers ok? Especially the last two?
Another thing. The fan at this stage is a bit out of
control. Calibrating tPA helps, but the K2 seems to
not remember this setting. Also strange is that while
setting tPA a relay can be heard switching. But maybe
this is normal at this point in the process?
Kind regards and keep on building...
Gerhard
DH3FAW
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