Connector Pin Assignments; Audio-In (Microphone); Audio-Out (Headphone) - HP 321 - Notebook PC Maintenance And Service Manual

Compaq 320, 321, 420, 421, 620, 621 notebook pcs and hp 420, 620 notebook pcs - maintenance and service guide
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8

Connector pin assignments

Audio-in (microphone)

Pin
1
2
3

Audio-out (headphone)

Pin
1
2
3
134 Chapter 8 Connector pin assignments
Signal
Audio signal in
Audio signal in
Ground
Signal
Audio out, left channel
Audio out, right channel
Ground

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