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
Channel 1 & 2
Section:
Product(s):
Channel 1&2~.SCHDOC
M1539
1
4
Sheet
Of
PCB#:
Rev#:
Modified:
V02
File:
2021-03-29
BLOCK10-12
EML Rev#:
V02
Tmp Rev:
V028
CHANNEL-1
270R
0805
R95
30K0
0805
R75
1M
0805
R70
30K0
0805
R59
1M
0805
R53
1M
0805
R49
30K0
0805
R73
30K0
0805
R61
30K0
0805
R57
30K0
0805
R44
3K32
0805
R45
6K98
0805
R69
6K98
0805
R51
220R
0603
R54
2K0
0805
R46
47K5
0805
R67
0805
0.1%
R125
10K00
0805
0.1%
R121
270R
0805
R108
270R
0805
R105
270R
0805
R68
270R
0805
R58
1M
0805
R63
3K32
0805
R62
2K0
0805
R64
4K7
1206
R65
4K7
1206
R66
47K5
0805
R50
270R
0805
R76
RAD .2in
562R
1206
R72
400V
562R
1206
R60
30K0
0805
R55
562R
1206
R56
400V
562R
1206
R43
30K0
0805
R42
220R
0603
R74
RAD .2in
4K7
1206
R47
10K00
0805
R98
10K00
0805
R85
2K2
0805
R71
2K2
0805
R52
4K7
1206
R48
400V
400V
U1:3
GND_LIFT
S2:2
LEFT-SIG~
RIGHT-SIG~
IG
-15V
IG
SG
SG
SG
SG
+15V
C58
C49
IG
C50
C59
C51
C60
C57
C62
C52
C53
C63
C64
C54
C65
C61
C55
IG
MC33078D
7817
U2:3
7669
U3:3
MC33079D
7668
U6:5
U9:3
1
3
CH-1 L/MONO
1/4in JCK
J4
1
3
CH-1 RIGHT
1/4in JCK
J5
2
4
HEADPHONE
1/4in JCK
J6
0805
100K
R133
0805
100K
R134
N34
681R
0805
R142
681R
0805
R137
681R
0805
R138
4K99
0805
R143
4K99
0805
R141
10K
0805
R135
10K
0805
R136
22U
C66
22U
50V
C67
XLR MALE
BAL-LINE OUT
J10
N1
N5
N4
N8
N17
N18
N32
N33
N25
N28
N31
N2
N3
N6
N7
N23
N26
N29
N24
N27
N30
SG
N77
N78
S3:1
PRE/POST EQ
S3:2
0.1%
0805
R161
0.1%
10K00
0805
R162
7817
U8:3
MC33079D
7668
U4:5
C75
C76
CHANNEL2
15K0
0805
R115
475R0
0805
R116
1M
0805
R113
475R0
0805
R4
1M
0805
R6
249R0
0805
R117
50V
0805
C45
249R0
0805
R103
50V
0805
C42
IG
IG
CH-2
1/4in JCK
J8
0805
15K0
R101
MIC
XLR FEMALE
J9:1
220R
0603
R123
RAD .2in
15K0
W100
0805
R107
15K0
W100
0805
R122
3K32
0805
R109
6K98
0805
R118
SG
N20
N21
0.1%
10K00
0805
R163
MC33078
SG
4K7
1206
R111
2K2
0805
R120
4K7
1206
R112
MC33078D
47K5
R114
2K0
0805
R110
RAD .2in
9K09
0805
R82
10K
R87
3K32
0805
R83
9K09
0805
R92
3K32
R94
10K
0805
R77
CHANNEL-3
1K0
0805
R86
1K0
0805
R79
IG
IG
IG
0805
1K0
R132
0805
1K0
R131
IG
CH-3
1
3
4101
3.5MM JACK
J7
N9
N14
N10
N11
N15
N16
IG
N12
N13
15K0
0805
R156
220R
0603
R158
3K32
0805
R160
RAD .2in
15K0
0805
R155
220R
0603
R157
3K32
0805
R159
4K99
0805
R91
4K99
0805
R80
4K99
0805
R81
4K99
0805
R96
4K99
0805
R97
15K0
0805
R93
15K0
0805
R84
4K99
0805
R78
N22
470R
0805
R164
470R
0805
R165
3K32
0805
R166
3K32
0805
R167
MC33079D
7668
U10:5
MC33078
7817
U5:3
.2
in
C77
100V
100N
RAD .2in
C78
3K32
0805
R184
3K32
0805
R185
1
3
CH-3
J11
IG
IG
IG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
IG
SG
SG
SG
IG
SG
.
.
W14
GND_CHASSIS
392R
0805
R144
392R
R140
3K32
0805
R139
0.1%
0805
R148
RED
CLIP
6405
LD3
1K0
0805
R195
22K
0805
R194
D1005
C
D
8
D10
D1005
CDSF4148
D11
1206
C81
-15V
0805
R190
0805
R191
0805
R193
D1005
4
1
4
8
D7
D1005
4
1
4
8
D8
D1005
1
4
8
D9
TO92
MPSA63
5106
Q4
MC33079D
7668
U7:5
3K32
R198
SG
SG
05C R/A
CH1-GAIN
P2:1
05C R/A
CH1-GAIN
P2:2
B LIN
50K
4478
CH1-BASS
B LIN
50K
4478
CH1-BASS
B LIN
50K
4478
CH1-TREBLE
B LIN
50K
4478
CH1-TREBLE
5C
10K
CH2-GAIN
P5:1
M
B
50K
4453
CH2-BASS
M
B
50K
4453
CH2-TREBLE
05C R/A
CH3-GAIN
05C R/A
CH3-GAIN
1B LIN
10K
4480
PAN
P9:1
1B LIN
10K
4480
P9:2
4480
MASTER
4480
MASTER
N
7
3
N75
N76
W
7
_
:1
W
7
_
:2
7
_
:3
W
7
_
:4
W
7
_
:6
W
7
_
:7
W
7
_
:8
W
7
:1
W
7
:2
W
8
:2
7
:3
W
7
:4
W
7
:6
W8:6
W
7
:7
W
8
:7
W
7
:8
W8:8
W
8
_
:2
W8_:6
W
8
_
:7
W8_:8
SG
IG
N84
N85
N86
N87
3K32
0805
R199
N88
N89