1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
K
K
J
J
I
I
H
H
G
G
F
F
E
E
D
D
C
C
B
B
A
A
of
Filename:
PCB#
Sheet
4
1
Product
Date:
Rev:
YsType:.
INPUT_DSP.SCHDOC
2018-04-23
INPUT_DSP.SCHDOC
V03
N.C.
N.C.
N.C.
W13
10
U
5X5.5mm
25
V
C64
W7_
3
2
W7:2
3
3
W7:3
W7
270P
0805
50V
C13
33U
6x6mm
25V
C15
W125
1K800
0805
R20
10V0
SOD-323
D2
W125
4K7
0805
R9
W100
0805
200R
R12
W100
15K0
0805
R10
WOOFER GND
10
0N
0805
50
V
C52
1
2
3
LinkOut
J1
T
R
S
S
T
R
LinkIn
J3:2
LinkIn
10
0N
0805
50
V
C53
10
0N
0805
50
V
C54
3
1
W7:1
W125
18K00
0805
R14
MIC IN/OUT SWITCH
4PDT MINI
3440
N
O
C
O
M
N
C
UP
ALTERNATE
DOWN
S4:2
.
W125
18K00
0805
R18
CDSF4148
D1005
D4
W125
1K02
0805
R27
1N
0805
50
V
C12
W125
1K02
0805
R13
W
10
0
274K
0805
R60
W
12
5
1M
0805
R59
270P
0805
50V
C14
W125
10K00
0805
R19
NE5532D
7903
DUAL OPAMP
3
2
1
-
+
U4:1
W125
10K00
0805
R15
W125
30K0
0805
R28
N.C.
W
12
5
1K800
0805
R29
CHECK +/-
NE5532D
7903
DUAL OPAMP
V+
8
V-
4
U4:3
NE5532D
7903
DUAL OPAMP
V+
8
V-
4
U3:3
W125
4K7
0805
R1
W100
15K0
0805
R11
W125
15K0
0805
R4
W100
0805
200R
R5
W125
15K0
0805
R3
10
0N
0805
50
V
C45
10
0N
0805
50
V
C48
S4 is not stuffed
on M1496.
4PDT MINI
3440
N
O
C
O
M
N
C
UP
ALTERNATE
DOWN
S4:3
.
W125
1K800
0805
R58
CDSF4148
D1005
D5
10
0N
0805
50
V
C71
W
12
5
1K800
0805
R22
10
0N
0805
50
V
C60
100N
0805
50V
C62
W125
4K7
0805
R7
W125
4K7
0805
R2
W100
0805
200R
R8
W100
0805
200R
R6
1N
0805
50
V
C11
W
12
5
330R0
0805
R30
CLIP
3
2
W7_:2
3
3
W7_:3
10V0
SOD-323
D1
680P
0805
50V
C7
10U
5X5.5mm
25V
C10
100N
0805
50V
C3
180P
0805
50V
C5
1
6
W14:1
1
6 W13:1
3
6
W14:3
3
6 W13:3
4
6
W14:4
4
6 W13:4
6
6
W14:6
6
6 W13:6
26
LO+
W1:11
26
HI-
W1:1
26
HI+
W1:2
STRANDED GRN BASE YEL STRIPE
3949
.
G/Y
18AWG
W32
3
1
W7_:1
INPUT
W
12
5
330R0
0805
R23
33U
6x6mm
25V
C17
NE5532D
7903
DUAL OPAMP
5
6
7
-
+
U3:2
10U
5X5.5mm
25V
C8
680P
0805
50V
C9
100U
6x6mm
6V3
C61
NE5532D
7903
DUAL OPAMP
3
2
1
-
+
U3:1
180P
0805
50V
C4
4N
7
1206
50
V
C1
100N
0805
50V
C2
2
6
W14:2
2
6 W13:2
W14
5
6 W14:5
5
6 W13:5
PSA1- M1493
26
LO-
W1:12
RED
6405
.
LD4
NE5532D
7903
DUAL OPAMP
5
6
7
-
+
U4:2
SOT-23
MMBTA14LTIG
7701
Q6
4N
7
1206
50
V
C6
26 PIN
FEMALE
HEADER
TO
POWER
AMPS
CONNECTED THRU AMP
WOOFER OUTPUT
HORN OUTPUT
PSA1- M1493
AK4620A CODEC
LinkIn
J3:1
LinkIn
AK4620A
7888
VSOP28
VR
EF
6
AINR-/NC
3
AINL+
4
AOUTL+ 28
AOUTR- 29
VC
O
M
1
AINR+
2
AINL-/NC
5
AG
N
D
7
O
VF
L
16
VA
8
O
VF
R
15
AOUTL- 27
AOUTR+ 30
U2:1
+5V
AINL+
AINR+
ANALOG_GND
IGND
IGND
IGND
4PDT MINI
3440
N
O
C
O
M
N
C
UP
ALTERNATE
DOWN
S4:4
.
Hi+
Hi-
Lo+
Lo-
RED
7033
Clip
LD4_
-15V
-15V
-15V
-15V
+15V
+15V
+15V
+15V
+15V
+15V
SIGNAL_GND
SIGNAL_GND
SIGNAL_GND
SIGNAL_GND
SIGNAL_GND
SIGNAL_GND
SIGNAL_GND
