[TenTec] 565 Orion I internal keyer problem. experience? advice?

[Reed Krenn]

Re: sub receiver audio: Did you check to see if the sub receiver is muted?
Pressing the volume control mutes the receiver, and halves the vertical
thickness of the volume level indication.

Reed / WW3A

On Sun, Apr 12, 2015 at 12:51 PM, Katz Ajamas <ajamas.rn at gmail.com> wrote:

> Aloha Barry!
>
> I'm in digest mode :-)
>
> Yes. Nothing plugged in. No continuity to ground on tip or ring. 5V on tip.
> If I ground the tip, I get the expected alternating dots and dashes. If I
> pull the ring up to 5V, the dashes do not stop.
>
> I would like to check the interface on the A7 board but do not know where
> it is on the board. I would like to check as far as possible without
> disassembling the boards from the front panel.
>
> There is also the problem of no audio from the sub-receiver. I've read
> about problems caused by monaural plug in the headphone jack but find no
> detail or repair info. If I'm going to disassemble the front panel boards,
> I'd like to know more about where to look for the audio problem. There are
> so many small parts on the board that I'd rather not spend half a day or
> more matching them up with the wiring diagram. If it comes to doing that,
> I'll take some photos and post them.
>
> 73, Bob ah7i/w4
>
>
>
> > Is there a continuous stream of dashes with nothing plugged in the front
> > and rear key jacks?
> >
> > Are you using a stereo (TRS) key plug, either 1/4in front or 3.5mm rear?
> >
> > Barry N1EU
> >
> > On Sat, Apr 11, 2015 at 4:14 PM, Katz Ajamas <ajamas.rn at gmail.com>
> wrote:
> >
> > > With the keyer enabled, there is a continuous stream of dashes.
> > >
> > > I do not see 5V on the ring of the paddle connection.
> > >
> > > I do see 5V on the tip.
> > >
> > > If I ground the tip, alternate dot-dash results.
> > >
> > > If I provide 5V, through a 10k R, to the dash line, there is no
> > difference.
> > >
> > > This suggests that the line is being pulled low somewhere.
> > >
> > >
> > > There is a keyer interface shown on the A7 diagram "81917_4 Drivers
> some
> > > spares".
> > >
> > > Alas, Tentec does not provide photos of the boards showing parts
> > location.
> > >
> > >
> > >
> > > I would rather be working on other projects and am willing to make
> > someone
> > > a good deal on this 565.
> > >
> > >
> > > TX works.SSB and CW.
> > >
> > > Main RX works.
> > >
> > > It has 4 filters. AM SSB 1.8KHz 1kHz
> > >
> > > New battery for memory.
> > >
> > > Sharp display.
> > >
> > >
> > > 73, Bob ah7i/w4
> > > _______________________________________________
> > > TenTec mailing list
> > > TenTec at contesting.com
> > > http://lists.contesting.com/mailman/listinfo/tentec
> > >
> >
> >
> > ------------------------------
> >
> > Subject: Digest Footer
> >
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> >
> > ------------------------------
> >
> > End of TenTec Digest, Vol 148, Issue 15
> > ***************************************
> >
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