Compaq 321 Compaq 320, 321, 420, 421, 620, 621 Notebook PCs and HP 420, 620 No - Page 144
Connector pin assignments, Audio-in (microphone), Audio-out (headphone)
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8 Connector 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 134 Chapter 8 Connector pin assignments
8
Connector 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
134
Chapter 8
Connector pin assignments