HP consumer dv7-6b56nr notebook a1t84uar#aba Manual De Usuario
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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