[R-390] six position rf bandswitch

[Leigh Sedgwick]

This should be the information you need.  It is a great description of how 
to align the bandswitch (as well as reassemble the entire RF deck).

http://militaryradio.com/r390a-rfdeck-geartrain.html

Good luck...

73 de Mike
K7PI

----- Original Message ----- 
From: "Norman J McSweyn" <normn3ykf at stny.rr.com>
To: <r-390 at mailman.qth.net>
Sent: Thursday, December 01, 2005 10:30 PM
Subject: [R-390] six position rf bandswitch


Hi all!
I cleaned the geartrain by seperating it from the rest of the rf deck. The 
six position rf banswitch won't align properly(they all do work, however!). 
I have had the deck out three times and it's still not right. When tuning, 
sometimes you have to go below (electrical) the band and come back up. The 
manual is pretty vague, such as: "center the contacts on the switch".
Not very helpful. When this deck was out, I looked carefully at the switches 
and I do realize that if I screw this up by a few degrees, it never will 
work right. Does anyone have a good proceedure to set the switches so that 
this works every time, or is it just an "r390a-ism"
It's a bug that I'd like to shoot once and for all.
Thoughts, questions or comments!
Norm n3ykf
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