1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
K
K
J
J
I
I
H
H
G
G
F
F
E
E
D
D
C
C
B
B
A
A
of
Filename:
PCB#
Sheet
4
2
Product
Date:
Rev:
YsType:*
MIXER.SCHDOC
M1529
2016-12-07
MIXER.SCHDOC
V01
PS Preamp
0805
0805
C27
15V0
SOD-323
D7
2K74
0805
R39
2K74
0805
R38
0805
0805
1210
C45
4K7
0805
R54
20K5
0805
R76
CDSF4148
D1005
D12
0805
C52
1210
C37
805
C28
CDSF4148
D1005
D13
CDSF4148
D1005
D8
18K2
0805
R91
0805
10K
0805
R78
10K
0805
R77
330R0
0805
R80
1K02
0805
R88
1K02
0805
R90
XLR FEML
4010
.
J6
0805
0603
C30
U12:3
0805
C49
0805
B LIN
0805
C51
0805
0805
0805
C53
0805
RELAY 1C
3696
K1:2
RELAY 1C
3696
K1:1
MIC H.P.
2K74
0805
R71
0603
C42
0805
C43
TL072
1210
C29
CDSF4148
D1005
D11
MC33078
U10:2
0805
C34
100R
0805
R58
U13:1
SOT-23
MMBT5401
7837
10K
0805
R79
330R0
0805
R89
0805
C44
2K74
0805
R70
0603
C41
RCA DUAL
GOLD 24MM
3466
.
J5
CDSF4148
D1005
D10
10K2
0805
R15
LINE GAIN
U11:2
D
O
W
N
U
P
3522
S1:2
3522
MIC GAIN
MC33078
7817
B LIN
10K
.
4459
P2:1
1/4in ISO JCK
4063
.
J4
D
O
W
N
U
P
3522
S1:1
3522
TL072
SG1
SG3
SG4
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
IGND
IGND
IGND
IGND
SPRKGAP
SG2
IGND
IGND
IGND
IGND
-15V
+15V
-15V
+15V
-15V
+15V
-15V
+15V
CLIP
CLIP
CLIP
CLIP
SPRKGAP
SG5
SPRKGAP
SG6
IGND
IGND
MIX+
MIX-
1210
C16
0805
C33
10K00
0805
R32
10K00
0805
R34
10K00
0805
R22
10K00
0805
R43
0805
10K0
R49
10K0
0805
R48
10K0
0805
R50
10K0
0805
R51
1K0
0805
R57
1K0
0805
R55
475R0
0805
R61
475R0
0805
R59
475R0
0805
R60
475R0
0805
R62
1K0
0805
R56
1K0
0805
R63
1K0
0805
R67
0805
0805
C60
GND