[R-390] R-390A trouble

[Joe Foley]

--- Jim Temple <jetemp@insightbb.com> wrote:
> Hi Roger and list,
> 
> OK, I want to fix this receiver.  Here goes.
> 
> 1.  R-390A bought as a "massacre" yellow line from
> Fair Radio.
> 2.  After cleaning, and replacing many of the
> "problem" caps (listed on many
> of the resident web sites), I corrected a below 8mhz
> problem, by finding
> that the ground lug under T-207 was loose and
> insulated from ground by a
> shellac layer.
> 3.  The unit, at first alignment, aligned well.
> 4.  At some point, within a couple of hours of
> operation, the receiver
> developed a screeching/motorboat putt putt sound.
+++++++++++++++++
Make sure ALL grounds are tight, even the screws
holding the tube sockets, these radios got beat around
a lot when being surplussed out.  Also, make sure your
slug racks are not hanging, sometimes the cams are
dirty or the racks bind in the slots.

Tube extenders?  Roger, are you telling
me,................






There's more than ONE way to skin a cat???

heheheheheheheheheehehhe

Joe



__________________________________________________
Do You Yahoo!?
Yahoo! Movies - coverage of the 74th Academy Awards�
http://movies.yahoo.com/