[R-390] Low sensitivity on 7-8 Mhz band
DCrespy at aol.com
DCrespy at aol.com
Tue Apr 18 23:07:51 EDT 2006
I am not sure anyone has mentioned this yet (although I may have missed the
post).
Years ago, someone on the list gave me a tip to check out C 327, a 100pF cap
on the primary of T 207.
Replacing it on 3 different radios so far has solved 90% of the poor
performance up to 8mHz. Admittedly on one of the radios I had to replace some other
components related to the 1st crystal oscillator (V207), to finally fix it.
The problem was clearly, in each case, related to poor output of this
oscillator.
I used a high voltage NPO cap for the replacement each time.
Hope this helps, and good listening!
Harry KG5LO
Saline, MI
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