Acer AL1911 Manual page 29

6.2.3 J2 TO Speaker
Pin No
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
6.2.3 J3 FOR Audio input
Pin No
Pin 1
Pin 2
Pin 3
Signal
+5V
VR
L+
L-
Mute
HP-S
HP-L
HP-R
GND
R+
R-
Signal
GND
Audio IN (1)
Audio IN (2)
29
Comment
VDD for audio volume adjustment
Audio volume adjustment
Speaker out L+
Speaker out L-
Audio mute control
EAR phone output control
EAR phone out L
EAR phone out R
GND
Speaker out R+
Speaker out R-
Comment
GND
From Audio output (1)
From Audio output (2)