Page 5, Tone Input, on the ACC jack? Pin 1 is capacitively coupled to pin 5 of the same jack, labeled "tone burst" and looks like it goes on to feed the VCO board.
__________________
Brian
USN RET (Avionics / Cal)
CET- Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"
When fuses go to work, they quit!
|