[National] RE: [Boatanchors] NC-109 Help Needed

[Peter Markavage]

No jumpers required on the back of a stock NC-109.

Pete, wa2cwa
 
On Tue, 26 Sep 2006 22:20:33 -0500 "Gary Schafer"
<garyschafer at comcast.net> writes:
> If I remember fight there are a couple of jacks on the back (rca?) 
> that need
> to be jumperd as audio can be fed in from another source. Maybe I 
> don't
> remember right though.
> 
> 73
> Gary  K4FMX
> 
> > -----Original Message-----
> > From: boatanchors-bounces at mailman.qth.net [mailto:boatanchors-
> > bounces at mailman.qth.net] On Behalf Of Carole White-Connor
> > Sent: Tuesday, September 26, 2006 9:54 PM
> > To: National Radio Equipment; boatanchors at mailman.qth.net
> > Subject: [Boatanchors] NC-109 Help Needed
> > 
> > Hello, all. I just picked up a National NC-109. It was sold to me 
> as a
> > basket case but it actually does not look too bad. It should be a 
> fun
> > project.
> > 
> > 1.  Does anyone have a voltage chart? The manual I downloaded from 
> BAMA
> > does
> > not have one.
> > 
> > 2.  Does anyone have a legible schematic. The BAMA one is tough to 
> read.
> > Surprisingly, Sams does not list a service packet for this set.
> > 
> > 3. My problem appears to be in the audio section. The voltages 
> coming out
> > of
> > the power supply are good. However, there is no audio and no 
> response when
> > I
> > stick a soldering iron on the volume control. The output 
> transformer tests
> > good.  Does anyone know what the voltages should be on the audio 
> output
> > (6AQ5) and the AF amp (12AT7)?
> > 
> > As always, thank you in advance.
> > 
> > Joe Connor