[Hallicrafters] SX-62 bandswitch?

[Barry Hauser]

On Mon, 16 Jun 2003 00:50:42 -0000 "Phil Atchley" <k06bb at elite.net>
writes:
> Hi, me again.

You rang?

> One quick question.  I've noticed that the bandswitch on this SX-62 
> has no  stops.  In other words it can keep going around and around.  Is
that 
> normal  for this set or has the switch been damaged?

Nope, there should be detents.   I had a similar experience with an
I-don't-remember-what-radio.  As I recall, the SX-62 bandswitch is of the
same type. Stuck in the gunk (lucky for the gunk) in the bottom lip of
the chassis were two ball bearing balls -- like silver BB's.  If you look
at the front end of the switch, you'll find what looks like a wrinkle
washer on steriods.  There's a race in there where the two balls go, 180
degrees apart.  Your's are probably missing.  Look around in the case
just "in-case"  by some stroke of luck the balls are there. They might
even be somewhere near the switch, stuck to it with the old grease.  One
might still be in place but not enough to make a dent, uh detent.

If missing, best to cannibalize another rotary switch, though it might
take a few tries before you find the right diameter.

I put 'em back in and tightened up the switch a bit and it was OK.
> 
> Also, when I tested the tubes both 6AG5 tubes and the 6C4 were WAY 
> down in > transconductace.  I replaced the 6C4 but I probably won't do
an 
> alignment until the owner sends me some 6AG5's (I don't have any on
hand).

As I recall the 6C4 is the only miniature tube in the rx -- used for the
xtal calibrator.  That has no effect unless  you're calibrating.  If it's
weak enough, it won't put an harmonic across the full range of the rx. 
Forgot what the 6AG5 is for.  There are several manuals for the different
renditions on the various websites, including bama -- there was gradual
change in tube lineup over the years of production. 

Barry

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