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3.11 J501 connector (Main audio)
1
2
3
4
J501 is a RJ9 4-pin connector.
The Table bellow gives the description of the signals of this connector.
Pin number
Signal name
I/O
I/O type
Description
MIC_N
I Analog Main
microphone
negative input
2
SPK_P
O Analog
Main
speaker
positive output
3 SPK_N
O Analog Main
speaker
negative output
4 MIC_P
I Analog Main
microphone
positive input
1
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