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KENWOOD TK-7180 & TK-8180:
Plug the unit onto the options connector CN-403.
COR:
Solder a wire from the COR pad on the SVR-1 to the junction of D-416 (anode), C-560 and R642.
PTT:
Solder a wire from the PTT point on the SVR-1 to the PTT pad on the radio’s display board.
Connect the PTT out from the SVR-1
to the PTT pad on the radio’s display
unit board
Connect the COR wire to this point