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1
2
3
A
B
C
MIXER SECTION
D
+27V
R168
R167
R171
W250
1/4W
220R
10K0
47K
MINI
C94
R170
W250
LVGND3
10K0
50V
IGND
MINI
22U
J4
5X7MM .2in
R174
E
N1012
C107
R181
562R0
R175
1/8W
1/4W
+15V
249R
2K49
50V
MINI
N1013
22U
XLR FEML
C108
5X7MM .2in
4010
U28A
50V
2
NE5532N
MIC INPUT
1N
-
BEAD
V+
N1014
V-
C101
3
IGND
+
50V
IGND
1N
F
C98
R173
BEAD
1/8W
1/4W
R182
-15V
249R
50V
562R0
22U
R185
5X7MM .2in
2K49
MINI
W250
LVGND3
G
R209
R190
W250
W250
1K0
10K0
MINI
MINI
C138
RING
50V
33P
BEAD
R205
4
W250
H
N1015
10K0
IGND
MINI
C129
5
J6
50V
33P
LINE INPUT
3921
R196
BEAD
W250
R203
10K0
W250
MINI
1K0
RING
MINI
R189
R207
I
4
W250
10K0
N1016
10K0
MINI
MINI
5
J5
CD INPUT
3921
IGND
LVGND4
J
K
1
2
3
4
5
6
7
R169
R172
1/4W
W250
1/4W
1K0
6K8
MINI
C99
U28B
5
+
33U
NE5532N
C95
C96
P2A
16V
7
RAD .2in
4432
M
6
6884
63V
100V
-
10K
100N
68N
W250
RAD .2in
RAD .2in
B
R177
1/4W
18K
1
6884
R178
C97
75R
33U
16V
RAD .2in
MIC GAIN
C126
R160
R191
U32B
5
+
W250
1/4W
NE5532N
10K0
4K7
+15V
16V
MINI
33U
6
RAD .2in
-
U32A
2
P4A
-
NE5532N
V+
4432
M
1
R199
10K
V-
6884
3
+
W250
1K0
R197
B
MINI
47K
C128
-15V
33U
16V
R201
RAD .2in
1/8W
75R
LINE/CD GAIN
4
5
6
7
8
9
10
+15V
C120
C121
50V
63V
+15V
-15V
100N
100N
BEAD
RAD .2in
U29B
5
+
NE5532N
V+
7
C132
C133
C135
V-
6
6884
-
50V
63V
63V
100N
100N
100N
BEAD
RAD .2in
RAD .2in
R179
30K
-15V
LVGND3
LVGND4
LVGND1
U29A
3
+
NE5532N
1
6884
2
-
R188
10K
R195
R200
7
1/4W
1/4W
10K
10K
6884
+15V
U33A
2
-
NE5532N
R206
C139
V+
1
1/4W
V-
220R
3
6884
16V
+
33U
RAD .2in
-15V
8
9
10
11
12
13
+15V
L4
C125
POWER
GRN
63V
100N
6408
RAD .2in
R164
1K5
C137
63V
100N
RAD .2in
LVGND
LEDGND
K1A
LVGND4
BASS
C127
RELAY 1C
47N
RAD .2in
100V
3696
P3A
R192
R193
R194
1/4W
T
B
1/4W
1/4W
4K7
4K7
332R0
4435
50K
B
C130
47P
100V
R198
R204
47K
1/4W
470K
U33B
6
-
NE5532N
7
COM
6884
C140
5
B
+
400V
2N2
RAD .2in
LVGND4
MIXER ON/OFF
R210
P5A
R211
1/4W
T
B
1/4W
1K2
4434
10K
1K2
B
TO MAIN INPUT
TREBLE
11
12
13
14
15
16
17
+15V
SILENT MIXER ON/OFF
Q16
R217
D13
1/4W
2N5401
18K
1N5250B
5108
20V0
D63
1N4148
R218
K1B
1K0
MINI
W250
R176
1K07
-15V
RELAY 1C
3696
Alternate
DOWN
NO
S5A
Alternate
NC
UP
DOWN
NO
DPDT MINI
R202
S5B
COM
1K4
A
NC
UP
DPDT MINI
MIXER ON/OFF
LVGND4
MIXER
Section:
NX55P-2
Product(s):
PCB#:
M1555
Rev#:
V05
EML Rev#:
05
Sheet
3
Of
7
Modified:
2017-06-22
File:
Mixer.SchDoc
Tmp Rev:
V028
14
15
16
17
A
B
C
D
E
F
G
H
I
J
K
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