Compaq Presario CQ40-100 Compaq Presario CQ40 Notebook PC - Maintenance and Se - Page 137
Connector pin assignments, Audio-out (headphone), Audio-in (microphone)
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9 Connector pin assignments Audio-out (headphone) Pin Signal 1 Audio out, left channel 2 Audio out, right channel 3 Ground Audio-in (microphone) Pin Signal 1 Audio signal in 2 Audio signal in 3 Ground Audio-out (headphone) 129
![](/manual_guide/products/compaq-presario-cq40100-compaq-presario-cq40-notebook-pc-maintenance-service-guide-b99421f/137.png)
9
Connector pin assignments
Audio-out (headphone)
Pin
Signal
1
Audio out, left channel
2
Audio out, right channel
3
Ground
Audio-in (microphone)
Pin
Signal
1
Audio signal in
2
Audio signal in
3
Ground
Audio-out (headphone)
129