Mixer Section; Power Supply - YORKVILLE NX55P Service Manual

MINI
10K0 R168
+24V
1/4W 1/4W
R167 220R
MINI
R170 R171
50V 22U
1/4W 1/4W
C94
10K0 IGND LVGND3 47K
16V
MINI RAD
C99
33U
R174 R175
R173
50V 22U 1/4W 1/4W
1/8W
562R0 2K49
C98
249R 0.1% -15V MINI
MIC_GAIN
50V
FLMP
C101
1N
NE5532N
{Function}
U28:C
J4
IGND
U28:A
50V
C108
1N
4010 +15V
R181
50V 22U
1/8W R182
C107
249R 1/4W
FLMP 562R0
0.1%
R185
2K49
IGND
MINI
LVGND3

MIXER SECTION

J5
R189
1/4W
10K0
+15V
MINI
R190 R191
50V
1/4W 1/4W
C129
RING 1K0 10K0
33P MINI MINI
NE5532N
IGND
R196
U32:C
1/4W
10K0
50V U32:A
MINI
C138
33P
J6
R203 -15V
1/4W
1K0
MINI
R205
1/4W
10K0
MINI
R207
10K0
RING
MINI
R209
1/4W LVGND4
10K0
MINI
IGND
XC85
POT LIST
NX55P
MODEL(S):-
REF FUNCTION PART# KNOB {NEW}
P1 MAIN GAIN #4434 GREY #9916
P2 MIC GAIN #4432 RED #9915
P3 BASS CONTROL #4435 GREEN #9917
P4 CD/LINE GAIN #4432 RED #9915
P5 TREBLE CONTROL #4434 GREEN #9917
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
6884_PC
6603_PC
6605_PC
6640_PC
6887_PC
6964_PC
6858_PC
6804_PC
6745_PC
R169
1/4W
6K8
-15V
MINI
R172
1/4W U28:B
1K0
C95 C96
MINI
100N 100V 68N 100V
NE5532N
33U
M
P2:A C97
16V R179 +15V
4432
MINI 30K
B 18K
RAD
10K 1/4W
R177
FLMP
75R
R178
MIC GAIN
U29:A
NE5532N
R160
C126
1/4W U32:B
16V 33U
4K7
RAD
NE5532N
33U
LINE_GAIN M
P4:A C128
R197 16V
4432
MINI RAD
47K
B 1K0 10K
RAD
10K 1/4W 1/4W
R199 R200
FLMP
75R
R201
LINE GAIN

POWER SUPPLY

FUSE
IEC_RECT N.A.: #2410 F 4A
CE: #2470 F2A
FUSE
DPDT Switch 3392 AC BLK
F1
W9
FAST BLOW
S4
100N
C102 680N
250V C106
1300UH 250V
6492 L5
W36
4N7
C112
100N
R187
250V
1K8 C40
. 100V
CHASSIS GROUND W21 AC WHT
3392
MADE THROUGH
W8
1/4" INPUT JACKS
BLK
W16
INPUT GND PSGND
IGND
BD139
BD140
2N5401
BD237
2N5551 79XX
BD238
MJE270 MPSA06
MJE271
MPSA13
MJE340
MPSA43
MJE350
MPSA56
MPSA63
G I
"STYLE_P25"
TO-220
E B C
E C B
TO-92
TO-126
+15V
U29:B
U29:C 100N 100N 100N 100N
C119 C120 C121 C122
NE5532N
100V 50V 100V 100V
-15V
RAD
2K 100N 100N 100N 100N 100N
1/4W C131 C132 C133 C134
R180
100V 50V 100V 100V 100V
LVGND3
R184
1K
LVGND1
RAD
R188
10K
RAD
C127
47N 100V
R192
1/4W
4K7
R195
RAD
1/4W
10K
RAD
R204
47K
+15V BASS
MINI
NE5532N
RAD
220R
C139
U33:C 1/4W
16V 33U
R206
U33:A
-15V
LVGND4
400V
C140
2N2
R210
1/4W
1K2
TREBLE
MINI
6
6 W34:F
CH1254U
5
6 W34:E
4
6 W34:D
VIO
3
6 W34:C
BLK
2 GRY
6 W34:B
6
5 W31:A 3
1 1
4
6 W34:A
3 RED
W31:B 3
BLU 2
2
2 3
1 1
6
W31:C 3
6 W32:F
3
YEL
5 BRN
6 W32:E
W33:A 4
RED
4 1
6 W32:D
YEL/BLK
W33:B 4
3
2
6 W32:C
GRY
W33:C 4
2 3 4
2 3
WHT 1
6 W32:B
W33:D 4
1 VIO
4
6 W32:A
TRANSFORMER
BDX53C
FUSE F1
78XX
MJF6668
BC550C
BC560C
C B E
O I G O
B C E
TO-92
TO-220
TO-220
+15V
100N
C125
PWR
100V
L4
GRN
5908
R164
100N
1K5
C137
RAD
C135 100V
LEDGND
LVGND
+15V
SILENT MIXER ON/OFF
2N5401
R217
0W5 D13
1/4W
1N5250B 20V0
18K
RAD
TO92
K1:A
3696
D63
NET00303
4148
LVGND4
K1:B
-15V
R193 R194
1/4W 1/4W
4K7 332R0
RAD .
R176
C130
1K07
47P 100V
0.1%
R198
1/4W
470K
MINI
NE5532N
R202
1K4
.
U33:B
B LVGND4 A
TO MAIN INPUT
R211
1/4W
1K2
MINI
VIO
1
8 W12:A
SILENT
D49
D50
4007
4007
U30
+22V +15V
D52 MC7815CT
IN OUT
GND
1N5402
6872 {Watts}
7.0 AMP SLO-BLO
TO220 4U7
R98 2200U 100V
D55
C103
C105 C109
63V
100N
T7.0 50V
1N5402
2487
D56 4U7
100V
2200U
7.0 AMP SLO-BLO C110
C116
C111
R61
1N5402 TO220 63V
100N
50V
6871 {Watts}
T7.0 D58
GND
2487
IN OUT
MC7915CT
1N5402 -22V -15V
U31
WITHOUT CROWBAR WITH CROWBAR
N.A. CE N.A.
CH1254U CH1254U CH1254U
#2410 #2470 #2410
F4A F2A F4A
Q16
5108
TO POWER AMP PCB
+120V
D48
7
8 W12:G
MR752 BRN
+44V
D51
1N5402
3300U
D53
C63:A
2200U
180V
C104 MR752
D54
63V
1N5402
BLK
8
8 W12:H
PSGND
PSGND
D57
2200U
1N5402
C115
63V
3300U
C123:A
D59
180V
D60 MR752
1N5402 -44V
RED
D61
6
8 W12:F
MR752 -120V
CE
CH1254U
#2482
F3.15A
Product
NX55P
NX55P PCB# M1309 Sheet
Date: Fri Jun 28, 2013 Rev: V08
Filename: M1309V08SCH.sch2006
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