Circuit diagram

1 2 3 4 56
A
B
C
D
6
54321
D
C
B
A
C2
47U
C4
47U
R1
10R
R2
1k
R5
1K
C12
102
Q4
9014
Q5
9014
R37
10K
R13
15K
R3615K
R16
10K
2
3
1
IC1A
4558
6
5
7
8
4
IC1B
4558
VR1
C20K
R17
47K
R1147P
R12
47K
C11
470P
C6
47U
C10
47K
VR2
B50K
R18
3.3K
C14222
R19
47K
R2147K
2
3
1
IC2A
4558
6
5
7
8
4
IC2B
4558
R32
47K
-15V
+15V
+15V
15V
-15V
15V
-15V
R31
10K
C16472
VR3
B10K
C15
103
R2218K
VR4B50K
R23
18K
C19
103
C7
47U
R34
20K
R6
4K7
Q6
C1815
C17
104
R7
100K
Q7
A562
R8100K
C8
47U
R35
47R
C9
47U
R9
47R
VSS
C5
47U
SP
B10K
R24
6K8
R256K8
VR6
B10K
R28
6K8
R296K8
VR5
B10K
STR BUS
G1 BUS
R26
6K8
POST BUS
R38
100R
C18
220u
R39
47K
R103.3K
R30
10K
C13
102
R40
10K
-15V
C1
47U
05/05/26
R41
2K2
R27
10R
R42
2K2
6
5
7
8
4
IC1B
JNM4558
15V
-15V
TONE PART
TREM
HIGH
MID
LOW
PAN
LEVEL
POST
PEAK
SAME AS 1-8 CHANNElS
1
2
3
IO1A
3P2.5MM
IN2
LIN INPUT
12
3
IN1
MICROPHONE
R1
6k8
R16k8
48V BUS
1
2
3
IO1B
3P2.5MM
+15V
R28
6K8
R286K8
STL BUS
G2 BUS
D2A PCB
D2B PCB
LS-622A/822A/1222A
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