[R-390] Gain Problem

[jlap1939@yahoo.com]

Hello Friends,

Will stay as short as I can...Must enter defense
first..!!  This however will not be short...

When I received my 390 back from David, I hooked it up
to the reciever monitor, and set it for SSB on the ham
bands..As a result I don't know when the problem
developed, or why it did..as I was hearing all at 6
local, 6 to 8 rf, by adj. of the monitor vol. I never
touched the local. I use headphones for SWL on the
600, as a rule. The monitor is a very good amp and
runs at a low level whatever you put into it... (This
is my defense for not having noticed anything
wrong...)

Decided to chase a little SWL that I was not getting
clearly enough on the 600, and guess what?My 390 Local
Gain is running wide open all the time...Have to use
rf gain to set a listening level, which means I am
getting noise in the system I would not normally have
it seems.(By the way, Phils' stuff was great reading
for a change..I think it is reasonable material for
this forum, and checked out the stations myself, (But
not with total sucess...but thats another story...))

Questions?   YES:  Likely the pot, or might I look at
something else ..(Either sooner or later), as the
cause..??  and having only partial schematic and
little knowledge of 390 , how do I start? How do I use
the line output, and would that be a temp. remedy???

Funny, having bought and worked on a  blue striper, I
can do much on the 390a,inc a good align, due to THE
21ST CENTURY R-390A/URR REFERENCE. But I like and own
the 390...Wish there was a way to learn  the more
complex 390 that would help me...or maybe I may yet
just get and KEEP a 390a...??

I covet your help and sympathy..Regards,

John    (JLAP)

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