I understand... wasn't paying full attention (darn
decafe) I've got two tkb-720 units here. I'll look
to see if I have any paperwork for them.
cheers,
skipp
> "Hellewell, Byron" <[EMAIL PROTECTED]> wrote:
> Skipp
> Thanks for the suggestion.
>
> I am not using the Kenwood TKR 720 repeater.
>
> The TKB 720 is a base radio not a repeater.
> I have it being used with at TKR 820 repeater and the
> rear pinouts are similar but different.
>
> Pin 3 on the TKB is wired for the BCD control signal.
>
> I was hoping that someone with the schematic/manual for the TKB 720
> could identify
> the location inside the radio to inject the CTCSS tone that is like
> where the
> TKR repeater pin 3 connects.
>
> Thanks for the help.
> Byron
> _____________________________________________________________________
> Date: Wed, 10 Aug 2005 15:14:07 -0000
> From: "skipp025" <[EMAIL PROTECTED]>
> Subject: Re: RE:Kenwood TKB-720 CTCSS tone input location
>
> I posted the information direct from a copy of the tkr repeater manual.
> You appear to have the plug rewired. If you have space on the plug, add
> a pin for one of the bcd signals.
>
> If you're currently using pin 5 for audio, swap it with what your doing
> on pin 3. The original pin 3 function is "wide band", the original pin
> 5 function is restricted. Use the wide band input.
>
> Or bring the bcd lines out at a different location.
>
> good luck,
> skipp
>
> > "Hellewell, Byron" <[EMAIL PROTECTED]> wrote:
> > Hi Skipp
> > I have pin 3 being used as one of the 4 bcd signals to select which
>
> > channel(1-16) is being used.
> >
> > Thanks though.
> > Byron
> >
> > Date: Tue, 09 Aug 2005 18:29:29 -0000
> > From: "skipp025" <[EMAIL PROTECTED]>
> > Subject: Re: Kenwood TKB-720 CTCSS tone input location
> >
> >
> > Accessory Connector Pin 3 is the "DI" Modulation input (both signaling
>
> > and audio). Pin 2 is the Line & mod inpug Ground "GND".
> >
> > Pin 5 is the Line input, modulation input.
> >
> > good luck...
> >
> > skipp
> > www.radiowrench.com
> >
> > > "Hellewell, Byron" <[EMAIL PROTECTED]> wrote:
> > > Hi
> > > Can anyone help me with the physical location of where to inject a
>
> > > variable CTCSS tone into the Kenwood TKB-720 radio.
> > >
> > > I do not have the schematic or manual just the connector pinout.
> > > So a good description would help.
> > >
> > > I tried adding it to the audio being sent to the audio input pin
> > > in the accessory connector but it must be filtered as the tone does
> > > not get thru.
> > >
> > > The repeater version (TKR-720) has another audio input pin but
> > > that pin is used for frequency selection in the TKB-720.
> > >
> > > Thanks
> > > Byron
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