
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
5
1
Product
Date:
Rev:
YsType:.
M1530V04sch.sch2006
M1530
AmpIn
Thu Jun 12, 2014
V04
AP4K
GND
GND
2
1
4
6
3
2
5
4
GND
W1
3
5
1
6
GND
GND
4007
D34
4007
D35
-15V
BTEMP
ATEMP
ASIG
-15V
GND
BSIG
1
2
4
6
7
W11
W8
-B_SIG
B_SIG
B_LIMIT
SHUTDOWN_B
ATEMP
A_SIG
SHUTDOWN_A
A_LIMIT
GND
AMPA+
AMPA_SIGNAL
24V0
ZD13
5W
0
1N5359B
INPUT B
R3
1/
4W
F
U
SIBL
E
100R0
CHGND
R91
1/4W
.
1K54
100V
C71
220P
R88
1/4W
.
1K54
R89
1/4W
.
1K54
R2B
1/4W
.
4K99
R1A
1/4W
.
4K99
R2A
1/4W
.
4K99
+15V
GND
GND
+15V
NET00250
W7
3
5
8
W12
1N750ARL
4V7
ZD12
0W
5
BTEMP
-A_SIG
4007
D32
4007
D33
GND
3700
K3:A
3700
K3:B
3700
K2:A
3700
K2:B
AMPB+
GND
GND
R99
1/
4W
MIN
I
10K0
GND
R106
1/
4W
MIN
I
10K0
GND
R107
1/
4W
MIN
I
10K0
R90
1/4W
.
1K54
100V
C69
220P
R1B
1/4W
.
4K99
C46
63V
100N
R
A
D
.2
in
C42
63V
100N
R
A
D
.2
in
TO92
MPSA42
Q36
5113
R105
1/
4W
MIN
I
10K0
C1B
100V
220P
C2A
100V
220P
2
8
W7:B
1
8
W7:A
4
8
W7:D
6
8
W7:F
2
6
W13:B
4
6
W13:D
6
6
W13:F
2
6
W11:B
5
6
W11:E
AMP-B_SIGNAL
TO AMP B SHEET 3
AMPB_SIGNAL
AMP-A_SIGNAL
TO AMP A SHEET 2
24V0
ZD11
5W
0
1N5359B
R3B
1/4W
MINI
10K0
100V
C72
220P
C2B
100V
220P
R4B
1/4W
MINI
10K0
3922
J3:A
XLR
C1A
100V
220P
8
V+
4
V-
U4:C
TL072
U4:B
8
8
W7:H
7
8
W7:G
5
8
W7:E
3
8
W7:C
R69
1/
4W
.
47K
R4A1
1/
4W
MIN
I
10K0
1
6
W13:A
3
6
W13:C
5
6
W13:E
1
6
W11:A
W13
6
6
W11:F
4
6
W11:D
3
6
W11:C
U4:A
TL072
3922
J2:A
XLR
100V
C70
220P
R4A
1/4W
MINI
10K0
R3A
1/4W
MINI
10K0
R70
1/4W
.
680R
R68
1/
4W
.
47K
TO AMP A SHEET 2
TO AMP B SHEET 3
M1575 1/2
INTERFACE PCB
2
6
1
3
5
4
S
T
R
-
-
-
J5
1/4" TRS
INPUT A and BRIDGED
2
6
1
3
5
4
S
T
R
-
-
-
J6
1/4" TRS
2
6
1
3
5
4
S
T
R
-
-
-
J7
1/4" TRS
2
6
1
3
5
4
S
T
R
-
-
-
J4
1/4" TRS
Summary of Contents for AP4K
Page 22: ......