Someone correct me if I am wrong here - I haven't worked on a
Motrac repeater in a very long time -
Station Logic Module - the diode that connects to pin 3 (anode
connects to pin 3) is the Receiver Mute circuit - lifting one end
of that diode should leave the receiver unmuted during transmit.
Neil
Matt wrote:
>
> Thanks for the info. I have a spare Time Out Timer board too, in
> addition to a couple Squelch Gate cards, so I should have the cards
> I need for this. Extra cooling is definetly part of the plan too.
>
> The only other thing is, do you have any suggestions on the easiest
> way to get the receiver to stay active while the transmitter is
> keyed? Best place to make this mod? Any thoughts on that would be
> much appreciated. (Especially since I don't have a service manual
> for the unit!)
>
> Thanks,
>
> Matt
>
> --- In Repeater-Builder@yahoogroups.com, "motarolla_doctor"
> <[EMAIL PROTECTED]> wrote:
> > The part number, 25D84561A01, is the power transformer.
> >
> > Now, let's see how many Compa base and repeaters have Neil and I
> > worked on over the years.
> >
> > Any way Neil still has the books and can determine which
> transformer
> > that is. There is also some taps on the secondary to lower the B+
> for
> > about 40 or 60 watts. Add a good fan on the PA heatsink and you
> should
> > be ok.
> >
> > The 'Tone' decoder is in the receiver, the 'Tone Decoder' in the
> card
> > cage is most likley the Tone Remote tone decoder.. you probally do
> not
> > need it. Just need to add the Squelch Gate and Time Out Timmer
> boards.
>
>
> Yahoo! Groups Links
>
>
>
>
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