Hello.
With today's additions of the KXB30 and the KXAT1, my KX1 is now
complete and, as an italian saying goes, "full like an egg".
Bottom line is, it works. Long story, I had a few scary moments today,
especially with the 30m option. My last misc notes&questions wrt the KX1
follow:
KXB30)
-I had a very close call with being too short on the insulated wires
from D and 5. Manual instructs builder to trim leads right after
soldering and I had to pull the pc board quite energetically to get the
trimmers to line up with the holes properly enough to be useful.
Methinks perhaps waiting until the other leads have been threaded before
trimming those two wires would be a good idea 8-)
-on a related note, why should some of the wires be bare? This is
potentially dangerous and adds some complication to building. Moreover,
someone has clearly built at least one kit with unstripped hookup wire,
see here: http://www.edcjp.jp/kit/elecraft/KX1-Photos/KXB30/
-should the bumpers actually touch the front cover or are they used just
in case? I did my best to use little solder and trim leads short, but
the bumpers do not really lie flat and I'm a little worried they might
come off someday.
-not really KXB30-related, but it came up during reassembly: I had a
nice short between Q6's collector and ground, which only existed when
the front cover was reattached. This happened because screw "ate" part
of the thermal pad and exposed the tiniest possible part of the hole
border... not tiny enough, unfortunately ;-( Solved by rearranging the
pad, only casualties were a couple of blown fuses.
KXAT1)
-I soldered the leads for C1-C3 and C10 on top instead of bottom. I
prefer soldering on opposite side and there was, in my opinion, plenty
of clearance between the leads and the relays.
-no mention of trimming leads on blue but I guess they should be clipped
short back and sides 8-)
Ok, off to play with the little baby now 8-)
B73,
Andrea.
--
Homepage: http://andrea.borgia.bo.it / Amateur radio: IZ4FHT
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