Modem In Connector - Sony VAIO PCV-E518DS Reference Manual

System Board

Modem In Connector

The Modem In connector (J9) on the system board is a 1 x 4-pin header
connector and connects to the audio output connector (J4) on the
fax/modem card.
J9
4 1
J9
Pin Signal Name
1 GND
2 MONO_O (to modem chip)
3 GND
4 MONO_I (to sound chip)
65
KY0061.VSD