Compaq 6530b - Notebook PC

1394
Pin Assignment
1 Power
2 Ground
3 TPB-
4 TPB+
5 TPA-
6 TPA+
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
150 Chapter 9 Connector pin assignments