Pioneer DJM-900NXS Service Manual

126
DJM-900NXS
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10.15 MAIN ASSY (3/21)
!
!
!
100u/16
C1403
100u/50
C1412
47u/16
C1402
47u/16
C1409 C1405
DCH1201-A
10u
10V
C1408
DCH1201-A
10u
10V
C1410
NM
C1406
47p/50
CH
C1416
NM
C1411
0.1u/10
C1404
0.1u/10
C1401
0.1u/16
C1413
0.1u/10
C1418
NM
C1419
1u
C1417
0.1u/16
C1414
0.1u/10
C1407
0.1u/10
C1470
CCG1182-A
10u
16V
C1471
1000p/50
C1415
47p/50
CH
C1490
1000p/50
CH
D1403
NM
D1405
RB160L-40
D1415
1SS352
D140
NM
D1401
1SS352
D1402
1SS301
D1414
1SS301
D1406
RKZ3.3KG(B2)
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
GNDD
IC1402
S-1170B25UC-OTK
ON/OFF
1
VSS
2
NC
3
VIN
4
5
VOUT
IC1403
TC7SH08FUS1
1
2
GND
34
5
VCC
IC1404
NJM2831F33
1
GND
2
NC
3
VOUT
4
5
VIN
NJM2392M
IC1401
CS
1
ES
2
CT
3
GND
45
IN-
6
V+
7
SI
8
CD
L1401
DTL1123-A
470uH
LTC124EUB
Q1407
LTC124EUB
Q1405
LTA124EUB
Q1406
Q140
LSC4
HN1A01FU(YGR) Q1402
(1/2)
6
2
1
HN1A01FU(YGR)
Q1410
(2/2)
3
5
4
HN1A01FU(YGR) Q1410
(1/2)
6
2
1
LSA157
Q140
LSA1576UB(QRS)
Q1404
HN1A01FU(YGR) Q1402
(2/2)
3
5
4
R1421
6.2k
(F)
R1427
22k
R1407
56k
R1423
1.5k
R1408
1k
R1406
30k
R1420
10k
R1412
1.2k
R1404
NM
R1411
22k
R1417
NM
R1414
1k
R1403
1k
R1413
1.5
1/8W
R1456
12k
R1455
15k
R1428
100k
R1454
1k
R1453
NM
R1415
1.5
1/8W
R1405
0
R1409
NM
R1419
1.8k
(F)
R1402
12k
R1503
0
R1416
0
R1418
47k
(F)
R1424
470
R1410
9.1k
R1401
15k
R1425
NM
R1422
1.8k
(F)
R1426
22k
R1429
18k
V+12E
V+3R3D
V+12D
V+2R5D
V+12D
V+2R5D
V+3R3E
V+12D
V+12D
V+1R2D
V+5D
V+5D
V+34D
V+3R3D
V+2R5D
V+34D_1
V+12D
V+3R3D
VADET
2:8A
FL_Vcont
12:14J
PowerReset
2:8H;12:2H
3.3V 2.5V
12V
34V (To FL)
V+3R
V+5
V+1
V+1R
STBY
12V 3.3V
V+2R5D
STBY
STBY
STBY
STBY
STBY
STBY
STBY
From POWER_IF Block
(Analogl voltage abnormality detect)
STBY (Only
NM
CEVW***
NOTES
CH
CKSRYB****
CKSSYB****
RS1/16S****J
RS1/10S****J
is STBY
RS1/8S****J
RAB4CQ****J
RS2****J
2W
(D)
(F)
RS1/16S****D
RS1/10S****D
RS1/16S****F
RS1/10S****F
+
1/4W RS1/4S****J
CEHVAW**
HA
RN1/16S****J
RN1/10S****J
RN
CEVWN P***
NP
+
1/8W
CCSRCH****
CCSSCH****
CCSQCH****
2.5V REGULATOR
DC/DC converter
3.3V REGULATOR
V+2R
V+3
CONTROL
1/8W
1/8W
A side
A side
Digital voltage abnormality detect circuit
From MAIN_CPU
From POWER IF
PowerReset V+34DFL_Vcont
IC1403
OUTPUT
High
Low
High
Low
High
Low
Low
High
High
Low
Low
Low
G
3/21
G 2/21,12/21
G 12/21
G 2/21
The > mark found on some component parts
indicates the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts
of identical designation.
1-4
15
16
:
:
V+34D Block

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