I just looked this up, it is available in the TS-850 manual and also in
a PDF file at WWW.KENWOOD.NET
Pin 3 of the 13 pin DIN (ACC2) Plug is Receive audio at fixed level
(Front panel af gain has no affect)
Pin 4 is the ground for Pin 3
Pin 8 is chassis ground
Pin 9 is PTT with front panel mic plug muted
Pin 11 is Mic input
Pin 12 is ground for Pin 11
Pin 13 is another PTT but the front panel mic input is live
This pinout should work for most Kenwood radios with 13 Pin DIN Plugs.
Mitch
W1GI
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