1
2
3
A
B
C
MIXER SECTION
D
+27V
R168
R167
W250
1/4W
10K0
220R
MINI
C94
R170
W250
LVGND3
10K0
50V
IGND
MINI
22U
J4
5X7MM .2in
R174
E
N1012
C107
R181
562R0
1/8W
1/4W
+15V
249R
50V
N1013
22U
C108
XLR FEML
4010
5X7MM .2in
50V
2
MIC INPUT
1N
-
V+
BEAD
N1014
V-
C101
3
IGND
+
50V
IGND
1N
F
C98
R173
BEAD
1/8W
1/4W
-15V
249R
R182
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
I
4
W250
N1016
10K0
MINI
5
J5
CD INPUT
3921
IGND
LVGND4
J
K
1
2
3
4
5
6
7
R171
R172
R169
1/4W
W250
1/4W
47K
1K0
6K8
MINI
C99
U28B
5
+
NE5532N
33U
C95
C96
P2A
16V
7
RAD .2in
4432
M
6
6884
63V
100V
-
R175
10K
100N
68N
W250
RAD .2in
RAD .2in
2K49
MINI
B
R177
U28A
1/4W
NE5532N
18K
1
6884
R178
C97
75R
33U
16V
RAD .2in
MIC GAIN
C126
R160
R191
5
+
W250
1/4W
10K0
4K7
+15V
16V
MINI
33U
6
RAD .2in
-
U32A
2
P4A
-
NE5532N
V+
4432
M
1
R199
10K
V-
6884
3
+
W250
R197
1K0
B
MINI
47K
C128
-15V
33U
16V
R201
RAD .2in
1/8W
75R
R207
LINE/CD GAIN
10K0
MINI
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
U32B
NE5532N
R200
R195
7
1/4W
1/4W
10K
10K
6884
+15V
U33A
2
-
NE5532N
R206
V+
1
1/4W
V-
220R
3
6884
+
-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
100V
RAD .2in
P3A
R192
R193
R194
1/4W
T
B
1/4W
1/4W
4K7
4435
50K
B
4K7
332R0
C130
47P
100V
R198
R204
47K
1/4W
470K
C139
U33B
6
-
NE5532N
16V
33U
7
RAD .2in
5
6884
C140
B
+
400V
2N2
RAD .2in
LVGND4
R210
P5A
R211
T
B
1/4W
1/4W
TO MAIN INPUT
1K2
1K2
4434
10K
B
TREBLE
11
12
13
14
15
16
17
+15V
SILENT MIXER ON/OFF
Q16
R217
D13
2N5401
1/4W
18K
1N5250B
5108
20V0
D63
1N4148
K1B
R218
3696
1K0
MINI
W250
R176
1K07
RELAY 1C
-15V
3696
Alternate
DOWN
NO
S5A
COM
Alternate
NC
UP
DOWN
NO
DPDT MINI
R202
MIXER ON/OFF
COM
S5B
1K4
A
NC
UP
DPDT MINI
MIXER ON/OFF
LVGND4
MIXER
Section:
NX55P-2
Product(s):
PCB#:
Rev#:
EML Rev#:
Sheet
Of
M1555
V03
05
3
Modified:
File:
Tmp Rev:
10/28/2015
Mixer.SchDoc
V028
14
15
16
17
A
B
C
D
E
F
G
H
I
J
K
7