[Collins] (no subject)

[Glen Zook]

All of the 75S-1, 75S-2, 75S-3, and 75S-3A as well as
the earlier versions of the 75S-3B and 75S-3C used two
i.f. cans in the AM filter.  The later 75S-3B and
75S-3C receivers moved one of these i.f. cans to tune
one of the mixer stages.  Collins put out a Service
Bulletin on doing this to the earlier 75S-3B and
75S-3C receivers.  However, it is also easy to do on
the 75S-1 through the 75S-3A and is well worth doing.

I have done this modification on my 75S-3A and both
75S-1 receivers.  It only takes a few minutes and
definitely improves the performance.

Glen, K9STH


--- "L.D. Ritta" <UFP at optusnet.com.au> wrote:

I saw someone selling a 75S3C and they mention the T9
Mod. What is it and what does it do, etc. Remember I'm
new to Collins.

Glen, K9STH

Web sites

http://home.comcast.net/~k9sth
http://home.comcast.net/~zcomco


		
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