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 Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/