Hi Will
Thanks for the reply. The front board is a number 8402820H01L front panel numberFRN5353B. I think there is a problem with the front board because I can't get audio out of the receiver when it is connected. I can't program the radio through the front. When I connect a control head to the ...

Does anyone have the pinout and voltages for j8 and j9 on this radio? This is the connector that the control head connects to. I have two of these radios in a desktrac and I think I have a problem with the front board. Thanks for your help.
e-mail [email protected]

I have a Desktrac with Radius radios in it. I think I have a problem with the front board. Does anyone have the pin out for J8 and J9 of the radios so I can measure voltages? I do not have the book. Thanks for your help.