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C98
P5VR
1
4
0.1uF
13
12
9
15
KB5_KEYCLICK
10
22
PM5_SPKR
U25F
74HC14SS
AUDGND
8
VS5_SPKR
C107
R105
1
22
MOA_SPKHEAD
12K
1uF_16V
C67
R73
1
31
ADA_PCSPKO
33K
0.33uF_0805
R4
C18
1
23,31
ADA_AOUTL
12K
1uF_16V
6
VS5_SPKOFF
C78
R74
1
33K
0.33uF_0805
R75
C101
1
23,31
ADA_AOUTR
12K
1uF_16V
C108
R104
1
12K
1uF_16V
ADVDD
1
4
8
ADVDD
1
U26C
7
4
74HCT86
12
11
13
U26D
74HCT86
7
AUDGND
2
P5VR
C94
220pF
C122
2
1
2
0.1uF
R71
33K
AUDGND
AUDGND
6
U10
3
N+
V
D
2
4
D
N-
5
OUT1
2
BYPASS
8
OUT2
1
SD
G
N
D
C72
C77
LM4861
0.1uF
0.1uF
7
1
R70
AUDGND
2.2K
2
P5VR
C51
AUDGND
220pF
C80
2
1
2
0.1uF
R77
33K
AUDGND
AUDGND
6
U11
3
N+
V
D
2
4
D
N-
5
OUT1
2
BYPASS
8
OUT2
1
SD
G
N
2
D
C82
LM4861
0.1uF
C79
7
0.1uF
AUDGND
1
R76
2.2K
2
AUDGND
C95
AD5_PCSPK
0.22uF_0805
C73
1uF_16V
AUDGND
C75
220uF_10V
FB11
FB
C54
C71
100pF
100pF
AUDGND
AUDGND
C49
1uF_16V
C50
220uF_10V
FB1
FB
C274
C2
100pF
100pF
C81
AUDGND
100pF
AUDGND
31
31
CN3
1
2
3
4
5
AUDIOJACK
CN17
1
1
2
2
SPK_CON
LEFT SPEAKER
ADA_AOUT_LT
23
ADA_AOUT_RT
23
CN23
1
1
2
2
*
*
C273
SPK_CON
100pF
RIGHT SPEAKER
* : DO NOT POPULATE.
ADVDD
ADVDD
26
CONFIDENTIAL
Title
Size
A3
ACER ADVANCED LABS
PROJECT MARS
Document Number
SPEAKER OUTPUT CIRCUIT
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