11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
J
J
K
K
L
L
M
M
N
N
O
O
P
P
Q
Q
of
Filename:
PCB#
Sheet
3
1
Product
Date:
Rev:
YsType:{Company N
M1523V01SCH.sch2006
M1523
Tue Jun 02, 2015
ANALOG
1.00
PS Preamp
W
125 10K
R1
0805
22U
1210
C7
25V
22U
1210
C8
25V
1N5
0805
C56
50V
1K800
W125
0805
R25
1K800
W125
0805
R23
HORN OUTPUT
CDSF4148
D9
W
125 1M
R5
0805
470R
W125
0805
R2
35V
C72
15U
R102
W125
0805
2K2
CDSF4148
D1
1K800
W125
0805
R8
SWS/CR75
1K800
W125
0805
R29
1N5
0805
C26
50V
1K800
W125
0805
R26
15N
0805
C57
50V
15N
0805
C58
50V
WOOFER OUTPUT
265V
48R
R101
6543
0
W5
470R
W125
0805
R3
W
125 1M
R4
0805
8
V+
4
V-
U1:C
0805
100N
C19
25V
CDSF4148
D2
0805
82N
C20
100V
0805
100N
C21
25V
1K800
W125
0805
R9
0805
82N
C22
100V
10V
C36
100U
10
9
-
8
MC33079D
U9:C
12
13
-
14
MC33079D
U9:D
3
2
-
1
MC33079D
U9:A
5
6
-
7
MC33079D
U9:B
0805
82N
C24
100V
0603
100N
C59
16V
VDDINT TO DSP
100N
0805
C4
25V
100N
0805
C3
25V
W1 PIN 5
W1 PIN 4
W1 PIN 5
100K
W125
0805
R14
4K99
1/8W
0805
R12
0603
470P
C2
50V
D16
8080
150V
C65
50V
47P
C35
50V
10N
3
2
-
1
MC33078D
U2:A
2N7
0805
C6
100V
3
2
-
1
MC33078D
U1:A
10K
W125
0805
R6
1K00
W125
0805
R10
2N7
0805
C5
100V
1/8W
0805
2K0
R30
W1 PIN 4
Vfs = 0.7Vrms = 1.98Vpp
Vfs = 10.2Vrms = 28.8Vpp
To ADC on ADAU1701
Vfs rms = 0.1mA * (R + 2k)
5
6
-
7
MC33078D
U2:B
10K
W125
0805
R20
0603
470P
C1
50V
1
2
3
J2
Link
4100
R103
W125
0805
47R
5
ON/
O
FF
2
SS
3
SYNC
6
GND
4
FB
7
VIN
1
CB
8
VSW
LM2671
U6
7890
MBRA340T3
D6
{Watts}
{Voltage}
5
6
-
7
MC33078D
U1:B
8
V+
4
V-
U2:C
10K
W125
0805
R7
1K00
W125
0805
R11
4
V+
11
V-
U9:E
LOW VOLTAGE
SUPPLY
8101
120uH
L1
X3
SH
X2
X1
+1/4
J1:A
1/4IN &XLR PCB MT VERT COMBO NCJ6-V
S
T
R
J1:B
Input
XLR/1/4in
4090
