[R-390] Perhaps Dumb question...Now have answer

[rbethman@comcast.net]

The module isolation found two cripsied resistors.  Replaced same, recapped
module.  Popped fuse again, FINALLY tested tubes.  One each 6AK6 in AF
module shorted.  Now back up and running just great!

Thanks All!

Bob - N0DGN  Craf-T-Bob  (Because I love Hallicrafters!)
Apache(2), Mohawk(2), HT-32A, SX-99, SX-101 mk III, R-390A
EAC, R-390A Collins, DX-60 w/HG-10


----- Original Message -----
From:
To: "Tom M."; "R-390 List"
Sent: Monday, February 18, 2002 11:08 PM
Subject: Re: [R-390] Perhaps Dumb question


> It isn't the most sophisticated methodology, but it got me isolated to the
> AF module.  Alleluia!  Burnt resistors located by aroma and appearance.
> Will temporarily rob Peter to pay Paul, and recap the whole module.  Hope
to
> have success tonight!
>
> Bob - N0DGN  Craf-T-Bob  (Because I love Hallicrafters!)
> Apache(2), Mohawk(2), HT-32A, SX-99, SX-101 mk III, R-390A
> EAC, R-390A Collins, DX-60 w/HG-10
>
>
> ----- Original Message -----
> From: "Tom M."
> To: "R-390 List"
> Sent: Thursday, February 07, 2002 8:23 PM
> Subject: Re: [R-390] Perhaps Dumb question
>
>
> > For dumb questions, you have come to the right place.
> >
> > You may want to gather up a bunch of fuses, or a 120V light bulb in its
> place.
> >
> > Try powering up the rig with the modules out, until you isolate the
module
> with
> > the problem.
> >
> > Once you do that, look for a bad capacitor that bypasses the circuit
that
> is on
> > that fuse, it is B+ if Im not mistaken.
> >
> > Good luck
> >
> > Tom
> > ---
N0DGN - wrote:
> > > My R-390A/URR just blew F103, 1/4 amp.  The rig is now dead in the
> water.
> > > Before I go into my maniac mode, can someone(s) suggest a narrowed
down
> > > search?  Obviously the IF deck is dead too.
> > >
> > > Bob - N0DGN  Craf-T-Bob  (Because I love Hallicrafters!)
> > > Apache(2), Mohawk(2), HT-32A, SX-99, SX-101 mk III, R-390A
> > > EAC, R-390A Collins, DX-60 w/HG-10