HP consumer dv7-6b56nr notebook a1t84uar#aba Manuale Utente
Maintenance and Service Guide
9–1
9
Connector pin assignments
1394
Audio-in (microphone)
Pin Signal
1 Power
2 Ground
3 TPB-
4
TPB+
5
TPA-
6
TPA+
Pin Signal
1
Audio signal in
2
Audio signal in
3 Ground