Acer Aspire T180 Service Manual page 71

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Connecting the Optional Devices
AUXIN1: Auxiliary in connector
Pin
Signal Name
1
AUX_R
2
RET_R
3
RET_L
4
AUX_L
USB1~3: Front Panel USB headers
Pin
Signal Name
1
USBPWR
2
USBPWR
3
USB_FP_P0-
4
USB_FP_P1-
5
USB_FP_P0+
6
USB_FP_P1+
7
GND
8
GND
9
Key
10
NC
Chapter 5
Function
AUX In right channel
Return Right Aux in
Return Left Aux in
AUX In left channel
Function
Front panel USB power
Front panel USB power
USB port 0 negative signal
USB port 1 negative signal
USB port 0 positive signal
USB port 1 positive signal
Ground
Ground
No pin
Not connected
76

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