[R-390] Line Level Meter not working...Help a newbie!

Larry H larry41gm at gmail.com
Mon Feb 25 16:34:19 EST 2019


Ya, it looks like it. Bummer!!!  I'm sure someone on the forum has a spare,
so you could put out a request for one.  Sorry, I do not.

And, to feel better quicker - throw a kielbasa on the grill and crack open
a cold one or two.

Regards, Larry

On Mon, Feb 25, 2019 at 11:39 AM R. David Eagle <kb8nnu at yahoo.com> wrote:

>
> Hi Larry.  Thanks for the tips.  I put 2 new 6ak6's in that tested strong
> and the same for 5814. Still no movement.  I hooked my meter up to the
> meter terminals while listening to an local am station and it appears to be
> deflecting as it should with a small AC signal.  I checked the movement and
> it is moving freely. So I am betting the meter must be shot?
>
> Thanks again,
>
> Dave
>
>
> On Sun, Feb 24, 2019 at 11:51 PM, Larry H
> <larry41gm at gmail.com> wrote:
> Hi  David,  Jacques is right and that is probably it.  But, if not, the
> meter might be stuck - try tapping on the face.  Or try turning the line
> gain up to 5 or 6 and the line meter switch to 0 or -10 (try exercising
> this switch a little, also).  Then try hooking up 600 ohm phones, AC meter,
> or speaker to line out on the back.  If nothing there, try swapping the
> 6ak6 outputs v603 and v604.  If still nothing, try a different 5814 at
> v602.
>
> Regards, Larry
>
>
> On Sun, Feb 24, 2019 at 5:09 PM R. David Eagle via R-390 <
> r-390 at mailman.qth.net> wrote:
>
> > Hello all,
> > I have just started back up restoring my Motorola 390a after taking a
> > break from it after moving to a new QTH.  I have gone through it pretty
> > well and re-tubed it and deoxed what I could.  The receiver seems to
> > receive good, but I noticed that my line level meter doesn't move a bit.
> > The carrier meter seems to function OK with received signals.
> > Is there a good way to test the meter or is there something else I can
> > check in to?  Might be looking for a replacement..???
> >
> > Thanks in advance for the help!
> > Dave
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