1394
Pin
1
2
3
4
5
6
Audio-in (microphone)
Pin
1
2
3
Audio-out (headphone)
Pin
1
2
3
150 Chapter 9 Connector pin assignments
Assignment
Power
Ground
TPB-
TPB+
TPA-
TPA+
Signal
Audio signal in
Audio signal in
Ground
Signal
Audio out, left channel
Audio out, right channel
Ground