Acer AL722 Manual page 51

A
4
3
2
1
A
B
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J1
11
LOUT
AudioBoard
10
ROUT
connector
9
L_EAR
8
R_EAR
7
LIN_2
6
RIN_2
5
LIN_1
4
RIN_1
3
2
MUTE
1
E&T_96113_1113
J5
MainBoard MUTE
1
LED_Y
connector
2
LED_G
3
GND
4
KEY_UP
5
KEY_DOWN
6
KEY_R
7
KEY_L
8
KEY_PWR
9
GND
10
E&T_96113_1013
B
C
2
2'
S1 S2 S3 S4
PT-002-B2 PT-002-B2 PT-002-B2 PT-002-B2
C
J2
4 5
LI1 LO
2 6
LI2 NC
7 8
RI1 RO
3 1
RI2 GND
SCJ-0348-C
VR
VR1
50K
3 3' 2' 2 1
1'
D1
LYG2093 YEL/GRN
S5
PT-002-B2
D
D2
HZ9A2
D4
HZ9A2
Add D2,D
D