Audio Board - Acer 5600 series User Manual

Audio board

The audio board that came with your computer should look like the
figure that follows.
Label Description
CN1 USB 1.1 connector
CN2 and USB ports
CN3
CN4 Standard Audio connector - connects to the CN16 of the
mainboard
CN5 USB connector - connects to the CN18 connector of the
mainboard
JK1
Microphone-in jack (front)
JK2 Audio-out port
JP1 Audio connector
Note: The system has two microphone-in jacks (front and rear).
However, you can not use both of them at the same time. By
default, your system enables the microphone-in jack in front and
disables the one at the back.
see note
69