Circuit diagram

A
B
C
D
D
C
B
A
C20
20P
R31
36K
R33
5K1
C6
47U
R13
B50K
C13183
Q2
C1815
R5
47K
C3
47U
C5
47U
C2
47U
C14
183
R24
1K
R11
1K3
R7910R
R14
B50K
R19
B50K
R37
6K8
R8910R
R386K8
R4810K
C26
333
C27333
C16
123
C18
123
R26
1M
R16
B50K
R15
B50K
R28
22K
R50
3K9
C4
47U
C21
20P
R30
22K
R52
4K7
R36
6K8
R411K5
Q1
C1815
D1
PEAK
R17
B50K
R34
5K1
STL BUS
VCC
2
3
1
IC2A
4558
6
5
7
8
4
IC2BELECTRO1
VCC
-15
R42
10K
R43
10K
C24
47P
R46
C5K
R2
1K
C1
47U
R1
1K
C22
20P
R32
36K
C11
47U
R18
B50K
C15183
R6
47K
C7
47U
C847U
C1047U
C17
183
R25
1K
R12
1K3
R9910R
R22
B50K
R23
B50K
R39
6K8
R10910R
R406K8
R4910K
C28
333
C29333
C30
123
C19
123
R27
1M
R20
B50K
R29
22K
R513K9
C12
47U
C2320P
R21
B50K
R35
5K1
STR BUS
2
3
1
IC3A
4558
6
5
7
8
4
IC3B
4580
VCC
-15
R44
10K
R45
10K
C25
47P
R47
C5K
R4
1K
C9
47U
R3
1K
POST BUS
6
5
7
8
4
IC1B
ELECTRO1
2
3
1
IC1A
4558
-15V
VCC
R53
5K1
R35
5K1
G2 BUS
R355K1
G1 BUS
1
2
3
IO1B
3P2.5MM
IN1
STEREO L/MON
IN2
STEREO R
C2
47U
C247U
1
2
3
IO1A
3P2.5MM
HIGH
MID
LOW
LINE INPUT
LEVEL
PAN
POST/EFF
STEREO TONE PART
05/05/26
D5 PCB
LS-622A/822A/1222A
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