Pioneer DJM-900NXS Service Manual

124
DJM-900NXS
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10.14 MAIN ASSY (2/21)
AKM1277-A
CN1201
CN1202
AKM1278-A
Analog voltage abnormality
detect circuit
A side
A side
A side
A side
A side
A side
A side
A Side
A side
A side
A side
B side
B Side
TP B side
A side
!
!
!
!
VMUTE
1
+15VA
2
+5VA
3
GNDA
4
GNDA
5
-15VA
6
+12V STBY
1
+12V Switched
2
+12V Switched
3
GNDD
4
GNDD
5
STBY Control
6
RESET
7
NM
CN1204
V+12D
1
GNDD
2
100u/25
C1204
100u/25
C1203
100u/25
C1213
100u/25
C1206
47u/16
C1220
100u/25
C1202
47u/16
C1221
47u/16
C1214
NM
C1269
470u/16
C1201
C1216
0.33u/50
C1211
1000p/50
CH
C1212
1000p/50
CH
C1208
0.1u/50
C1210
1000p/50
CH
C1271
1000p/50
CH
C1270
1000p/50
CH
C1218
0.1u/16
C1272
1000p/50
CH
C1217
22u/16
CCG1254
C1219
1u/16
C1209
0.1u/10
C1205
0.1u/16
C1215
0.1u/16
C1207
0.1u/50
D1203
RB501V-40
D1202
RB501V-40
D1206
NM
D1205
NM
D1204
D1201
1SS301
GN DA_HP_RTN _1
GN DA_HP
GN DA_HP
GN DD
GN DA
GN DA_HP
GN D_PO
GN DA_HP_1
GN DA_HP
KIA7909PI
IC1202
1
GND
2
IN
3
OUT
KIA7809API
IC1201
1
IN
2
GND
3
OUT
CKF1089-A
KN1205
1
CKF1089-A
KN1204
1
CKF1089-A
KN1203
1
CKF1089-A
KN1202
1
CKF1089-A
KN1207
1
CKF1089-A
KN1201
1
CKF1089-A
KN1208
1
CKF1089-A
KN1206
1
P1203
NM
12
P1204
DEK1103-A
466003.
12
P1206
NM
466.250
12
P1202
NM
12
P1201
NM
12
P1205
NM
12
P1212
NM
12
P1211
NM
NM
2W
12
HN1A01FU(YGR) Q1201
(2/2)
3
5
4
HN1A01FU(YGR)
Q1201
(1/2)
6
2
1
Q120
(2/2)
3
5
4
Q1203
(1/2)
6
2
1
R1205
R1232
NM
R1227
NM
R1215
(F)
R1219
R1207
10k
(F)
R1204
10k
R1229
0
R1209
1k
R1228
0
R1231
0
R1230
0
R1216
R1217
(D)
R1210
NM
R1208
22k
(F)
R1214
(F)
R1201
0
R1202
11k
(F)
R1206
JP1206
DDC1022-A
R1218
(D)
R1220
NM
NM
NM
NM
NM
NM
NM
NM
NM
NM
R1203
20k
(F)
A side
V+9HP
V+15A_HP
V+15A_1
V+9HP
V-9HP
V-9HP
V-15A_1
V-15A_HP
V-15A_1
V-15A_1
V+15A_1
V-9HP
V+5A
V+5A
V+5A
V+5A
V+12EV+12STBY
V+12D
STBY
Analog GND basis
Drop Resister
HP Block
Digital block disposition
GND
V+15A
V-15A
V+9HP
V-9HP
VMUTE
V+12D
V+12STBY
V+5A
SPECIAL MODEL LED
POWER SUPPLY STB
V+12E
V+9HP_UNREG
V-9HP_UNREG
VMUTE
STBY
STBY
STBY
Drop Resister
STBY
STBY
STBY
STBY
STBY
STBY
STBY
STBY
STBY
STBY
STBY
Analog Block
Digital Block
NM
2W
JP1205
DDC1022-A
G
2/21
S
P3
S
P2
1-1
1
2
10
9
5
4
3
6
7
8
V+12V STBY

Pioneer DJM-900NXS Specifications

General

Sample rate	96 kHz
Frequency range	20 - 20000 Hz
Channels quantity	4 channels
Digital sound processing	24 bit
Number of EQ bands per channel	3
Line Signal-to-Noise Ratio (SNR)	107 dB
Total Harmonic Distortion (THD)	0.004 %
Microphone in	Yes
Line inputs (RCA)	6
Phono inputs (RCA)	2
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Digital audio coaxial out	1
Power consumption (typical)	42 W