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MAIN INPUT
{Function}
J1
B
A
3453
+15V
FROM MIXER
{Function}
IGND
NE5532N
R92
J2
U16:C
1/4W
R93
R94
681R0
0.1%
1/8W
1/4W
U16:B
475R
10K
FLMP
RAD
3925
C65
100N
100V
-15V
D26
100V
R103
C67
1M
1N4148
RAD
470P
IGND
RING
R108
100V
1M
C72
R109
RAD
470P
100K
NE5532N
RAD
R110
1/4W
R113
R114
681R0
0.1%
1/8W
1/4W
U16:A
475R
10K
FLMP
RAD
D30
C76
100N
100V
1N4148
RING
R126
C78
1/4W
330N
63V
2K7
RAD
-15V
NE5532N
R133
R134
1/4W
1/4W
U24:B
1K
1K
C82
C83
MINI
MINI
U24:C
U24:A
220N
63V
220N
63V
100V
NE5532N
C86
22N
D42
1N4148
LVGND2
+15V
D43
R148
R149
56K
27K
1N4148
RAD
RAD
6858
NSL-32SR2
LVGND2
1
2
U23:A
R159
4K7
RAD
LVGND2
MINI
10K0
R168
+24V
1/4W
1/4W
R167
220R
MINI
R170
R171
R172
50V
22U
1/4W
1/4W
1/4W
C94
10K0
47K
1K
IGND
LVGND3
MINI
RAD
16V
MINI
C99
33U
R173
R174
R175
50V
22U
-15V
1/8W
1/4W
1/4W
C98
249R
562R
2K49
Function
FLMP
50V
MINI
C101
1N
4566
NE5532N
MIC
B LIN
IGND
U28:C
J4
U28:A
50V
C108
1N
3925
LVGND3
R181
R182
+15V
50V
22U
1/8W
1/4W
C107
249R
562R
MIC GAIN
FLMP
R185
2K49
IGND
MINI
LVGND3
MIXER SECTION
R189
1/4W
+15V
10K0
MINI
R190
R191
1/4W
1/4W
RING
1K0
10K0
50V
MINI
MINI
C129
33P
NE5532N
IGND
R196
U32:C
1/4W
10K0
MINI
U32:A
50V
C138
33P
R203
-15V
1/4W
1K0
MINI
R205
1/4W
10K0
MINI
R207
10K0
RING
MINI
R209
1/4W
LVGND4
10K0
MINI
IGND
R87
1/4W
1K
MINI
C62
U17:A
100P
100V
C63
C64
47N
100V
39N
100V
R95
NE5532N
1/4W
562R0
0.1%
+15V
R102
1K87
NE5532N
U17:C
Function
M
LVGND1
P1:A
U17:B
4537
B LIN
10K
-15V
TRIM
R112
3K
R111
MINI
1/4W
/GAIN
R116
562R0
3K
0.1%
MINI
C73
100P
100V
LVGND1
LVGND1
LVGND1
-15V
R127
1/4W
U21:B
2K2
C79
C80
MINI
U21:C
220N
63V
220N
63V
6858
NE5532N
NSL-32SR2
4
3
R135
+15V
15K
R137
U23:B
MINI
47K
R136
MINI
1/4W
LVGND2
475R0
0.1%
R142
324R0
0.1%
R145
2K49
VALUE
MINI
LVGND2
LVGND2
D44
U21:A
R214
1N4148
1/4W
470R
RAD
NE5532N
R154
4U7
47K
RAD
C89
R156
R155
63V
15K
1/4W
MINI
1M
R152
RAD
150K
-15V
RAD
2K
1/4W
LVGND2
R216
D62
1N4148
LVGND2
WOOFCLIP
R169
1/4W
-15V
6K8
MINI
U28:B
C95
C96
100N
100V
68N
100V
NE5532N
U29:C
33U
M
P2
C97
16V
R179
+15V
MINI
30K
4K7
RAD
10K
1/4W
R177
FLMP
LVGND3
75R
R178
100V
RAD
C114
D.N.S.
1/4W
D.N.S.
R183
C117
U29:A
100V
D.N.S.
RAD
NE5532N
4K7
R186
RAD
D.N.S.
1/4W
LVGND3
R215
LVGND3
R160
C126
1/4W
U32:B
16V
33U
4K7
RAD
R197
NE5532N
47K
RAD
33U
Function
M
P4
C128
16V
4566
LVGND4
MINI
RAD
B LIN
1K
10K
10K
1/4W
1/4W
R199
R200
FLMP
75R
R201
LVGND4
LINE GAIN
-15V
R88
R89
C60
1/4W
1/4W
U14:A
10N
100V
1K
2K
1N4148
MINI
MINI
U14:C
R91
D25
U15:B
820R
NE5532N
-15V
RAD
3
4
+15V
U18:A
NSL-32SR2
U18:B
6858
U18:C
NE5532N
R96
LVGND1
1/2W
250V
NE5532N
442R
C66
4N7
180R
R100
+15V
+15V
LVGND1
LVGND1
LIMIT
L2
RED
RAD
1K5
R107
MASTER CLIP
MPSA13
100N
R119
Q21
1/4W
C74
5105
270K
100V
MINI
TO92
RAD
1N4148
33K
1/4W
R120
D31
LEDGND
R125
1/4W
D35
2K49
MINI
1N4148
1N4148
NET00082
D38
R129
U22:B
1/4W
SOLID
WIR
NE5532N
R132
6K8
MINI
-15V
R138
33K
RAD
D41
C84
R141
C85
68N
100V
1/4W
1N4148
47P
100V
47K
RAD
R143
R144
1/4W
1/4W
47K
U26:A
10K
RAD
LM13600N
-15V
RAD
-15V
R147
220R
R146
RAD
NE5532N
1/4W
NE5532N
R150
10K
R151
U22:C
15K
RAD
U27:C
220R
MINI
16V
RAD
U22:A
+15V
U27:B
C90
33U
LVGND2
+15V
LVGND2
+15V
TO92
5102
LIMITER
Q23
LVGND2
BC560C
R161
U27:A
1M
RAD
R162
NE5532N
63V
1/4W
3K3
C93
RAD
220N
+15V
U29:B
100N
100N
100N
100N
100N
C119
C120
C121
C122
C123
NE5532N
100V
50V
100V
100V
100V
-15V
100N
100N
100N
100N
100N
RAD
2K
C131
C132
C133
C134
C135
1/4W
100V
50V
100V
100V
100V
R180
LVGND1
LVGND3
LVGND4
LVGND1
R184
1K
RAD
R188
10K
RAD
C127
47N
100V
R192
1/4W
4K7
R195
RAD
1/4W
10K
RAD
R204
47K
+15V
BASS
MINI
NE5532N
NET00116
RAD
220R
C139
22AWG
U33:C
1/4W
16V
33U
R208
R206
SOLID
U33:A
WIR
-15V
NET00116
400V
LVGND4
LVGND4
C140
2N2
R210
1/4W
1K2
MINI
TREBLE
C59
68N
100V
-15V
MINI
2K49
R84
U13:A
R90
C61
U13:C
1/8W
47N
100V
274R
FLMP
NE5532N
LVGND1
+15V
LVGND1
R97
1/4W
1K
MINI
1N4148
D27
R104
C68
C69
U14:B
1/4W
47N
100V
39N
100V
1K
MINI
R106
2K49
NE5532N
MINI
LVGND1
R115
D29
1/4W
NET00039
1M
BAT85
0A2
RAD
R117
C75
R118
1/4W
1/4W
10K
27K
MINI
-15V
RAD
NET00039
R121
R122
1/4W
1/4W
NE5532N
NE5532N
27K
10K
D32
RAD
MINI
U19:C
BAT85
U19:A
U20:A
LVGND1
LVGND1
+15V
D37
1N4148
LIMITER
R131
1/4W
NE5532N
4K7
D39
RAD
BAT85
0A2
U19:B
0A2
D40
BAT85
LVGND1
R139
R140
1/4W
1/4W
36K
10K
RAD
22U
50V
2U2
63V
C87
C88
D45
1N4148
1N753ARL
D47
6V2
0W5
R158
1M
RAD
R165
4M7
RAD
LVGND2
100N
100N
C124
C125
100V
100V
100N
100N
C136
C137
100V
100V
+15V
LVGND2
LVGND
SILENT MIXER ON/OFF
2N5401
1N5250B
R217
0W5
D13
1/4W
18K
20V0
RAD
TO92
-15V
D63
1N4148
K1:B
NC
NO
C+
LVGND4
COM
C-
R193
R194
1/4W
1/4W
R218
4K7
332R0
1/4W
RAD
{Body}
1K
R176
MINI
C130
1K07
47P
100V
0.1%
R198
1/4W
470K
MINI
NE5532N
R202
1K4
U33:B
B
LVGND4
A
TO MAIN INPUT
R211
NET00155
1/4W
1K2
MINI
+15V
C70
100N
100V
R85
NE5532N
1/8W
681R
FLMP
FLMP
681R
U12:A
LVGND
R86
TO POWER AMP PCB
-15V
LVGND1
LVGND
NE5532N
U12:C
R99
1/8W
U12:B
681R
FLMP
+15V
+15V
FLMP
681R
R101
-15V
U13:B
HORNGND
+24V
NE5532N
HORNGND
WOOFCLIP
LVGND2
NET00053
-15V
D33
U20:B
R123
D34
0A2
6V2
1N753ARL
U20:C
1/4W
0W5
1K
100V
1N4148
MINI
NE5532N
MINI
6858
470R
C77
R222
R124
NSL-32SR2
100N
47K
1
+15V
2
U15:A
16V
RAD
33K
C81
R128
10U
MINI
2K
R130
LVGND1
LVGND1
YEL
+15V
LIMITER SENSE
MPSA06
R157
POWER
1/4W
L4
10K
RAD
GRN
TO92
R164
R163
1K5
47K
RAD
RAD
LEDGND
M1159A.PCB_DATABASE_HISTORY
MODEL(S):-
NX520P
#
DATE
VER#
DESCRIPTION OF CHANGE
1
JAN/21/2002
4.10
CORRECTION R121 100K TO 27K
2
FEB/13/2002
&V4.00
CHANGE R149 FROM 33K TO 27K AND
3
D
V
R135 FROM 75K TO 15K, ALSO INVERTED
4
D
V
OUTPUT POLARITY OF HORN AND WOOF.
5
MAR/27/2002 V4.10
CHANGE R79 6K98 TO 1K0, R52 10K0 TO
6
D
V
1K4, R208 3K TO JUMPER, R204 3K TO 47K
7
D
V
R206 1K T0 220R, C140 1N5 TO 2N2 AND
8
D
V
C91 FROM 680P TO 100N.
9
D
V
N
10
D
V
N
11
D
V
N
12
D
V
N
13
D
V
N
Q16
126
5108
T126
BC550C
E C B
C B E
"STYLE_P25"
XC85
M1159A
NX520P
MODEL(S):-
REF
FUNCTION
PART#
KNOB
{NEW}
P1
MAIN GAIN
4537
K
JUNE 5th 2001
P2
MIC GAIN
4566
K
JUNE 5th 2001
P3
BASS TONE
4546
K
JUNE 5th 2001
P4
LINE GAIN
4566
K
JUNE 5th 2001
P5
HORN TONE
4537
K
JUNE 5th 2001
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
Product
NX520P
NX520P
PCB#
M1159-A
Sheet
Date:
Tue Mar 26, 2002
Rev:
VER.4.10
Filename:
M1159-A-VER4.10.sch2001
0
W4:A
1
0
W4:B
2
0
W4:C
3
0
W4:D
4
0
W4:E
5
0
W4:F
6
0
W4:G
7
0
W4:H
8
0
W4:I
9
+15V
CLIP
L3
R153
1K5
RAD
Q22
5103
LEDGND
1
of
4
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