HP ProBook 4310s Notebook PC and HP ProBook 4311s Notebook PC - Maintenance and Service Guide

Maintenance and Service Guide 9–1
9
Connector pin assignments
Audio-in (microphone)
Audio-out (headphone)
Pin Signal
1 Audio signal in
2 Audio signal in
3 Ground
Pin Signal
1 Audio out, left channel
2 Audio out, right channel
3 Ground