9Connector pin assignments

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

 

 

Audio-in (microphone) 133

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Image 141
HP DV2500 manual Connector pin assignments, Audio-in microphone, Audio-out headphone, Pin Signal