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A-18
Connector Pin Assignments
CD AUDIO IN CONNECTOR
The pin assignments for the CD audio in connector (JP1) on the riser board are provided in
Table A-21.
Table A-21 CD Audio In Connector Pin Assignments
Pin
1
2
3
4
MODEM IN CONNECTOR
The pin assignments for the modem in connector (JP4) are provided in Table A-22.
Table A-22 Modem In Connector Pin Assignments
Pin
1
2
3
4
Signal
Left channel
Ground
Ground
Right channel
Signal
Logic ground
Modem MIC out
Logic ground
Modem speaker in
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Troubleshooting
