HP FN023UAABA, AW389USABA manual Audio-in microphone, Audio-out headphone, Pin Signal

Audio-in (microphone)

Pin	Signal
1	Audio signal in
2	Audio signal in
3	Ground

Audio-out (headphone)

Pin	Signal
1	Audio out, left channel
2	Audio out, right channel
3	Ground

Audio-in (microphone) 147