[Hallicrafters] SX-42, Band 4

[caladonia at juno.com]

Try listening in the early afternoon, right now I am hearing on my
sx-42 about 12 broadcast stations on the 19 meter SW band, 6 on the 16
meter band and 1 on 13 meters. After dark, only a few stations can
usually be heard except for the CBers on 27 Mhz.

Although the sensitivity does taper off somewhat on my receiver above
21 Mhz,  it is still quite good all the way to 30 Mhz. Make sure that 
the alignment is correct on band 4, it is very easy to get the receiver
to track incorrectly.

Les Layton
Las Vegas, NV       

-- Carole White-Connor <carolew at bellatlantic.net> wrote:
Thank for all the help and encouragement!

Here's where I'm at. The SX-42 works well on Bands 1 and 2 and very
well on Band 3.
However, it is extremely weak on Band 4 (15-30 mHz). By extremely weak,
I mean that
in the early evening I can get only  3 or 4 stations weakly on that
band. I have
replaced all the paper caps and out-of-spec resistors in, on, under,
behind and
near the bandswitch. Since Band 3 works, that shows that the 1st RF
stage is
working properly.

I have noticed a wire attached to the side of the fourth bandswitch
wafer from the
front. It's about 1 inch long and I can't figure where that should go.
I have tried
it on all bandswitch lugs within a 1-inch radius but it has not
improved Band 4
performance.

Any ideas? How should I troubleshoot this in a logical manner? I find
the entire
bandswitching system extremely confusing and difficult to troubleshoot.


Joe Connor

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