1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
1
2
3
CN2
CN-3P-180
1
2
3
4
5
6
7
8
CN1
CN-7P-180
D2
1N4002
D4
1N4002
D3
1N4002
D5
1N4002
D1
1N4002
C5
1000UF35V
C6
1000UF35V
C9
10UF50V
C10
10UF50V
2
1
3
MIC2
CN-BAL-FEMALE-2
2
1
3
4
MIC3
CN-BAL-MALE
3c
5e
1a
4d
2b
MIC1
PHONEJACK5 (5-PIN)
3c
5e
1a
4d
2b
MIC4
PHONEJACK5 (5-PIN)
RL1
RELAY-2-24
3
2
1
U3A
4558
8
4
U3C
4558
-15v
+15v
C13
10UF50V
C21
10UF50V
R12
R-1/4W-100N
+15v
-15v
3
2
1
U4A
4558
5
6
7 U4B 4558
C22
47UF25V
R19
R-1/4W-0N
R20
R-1/4W-0N
8
4
U4C
4558
IN
IN
GND
GND
OUT
OUT
U1
7815
GND
GND
IN
IN
OUT
OUT
U2
7915
R2
10K
R1
10K
R11
10K
R3
10K
R4
33K
R18
60N4
R15
5.76K
R14
10K
R16
4.53K
R17 3.16K
R9
3.24K
R8
4.53K
R6
2.67K
R10
60N4
R7
6.04K
R13
3.16K
R5
10K
Q1
C1815
C11
47PF
C7
47PF
C12
100NF
C8
100NF
C1
100PF
C2
100PF
C4
470PF
C3
470PF
C18
100NF
C16
100NF
C17
100NF
C19
100NF
C14
100NF
C15
100NF
C20 100PF
+15V
-15V
R21
5.6k
1
2
CN3
CN-2P-180
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