Pioneer DJM-900NXS Service Manual

144
DJM-900NXS
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10.24 MAIN ASSY (12/21)
MAIN CPU
RESET IC
From To DIGITAL OUT
From POWER _IF
POWER
From BOARD IF Block
To OUTPUT IF Block
HP AMP Block
From POWER IF
From BOARD IF
Low
MUTE release
MUTE
High
Low MUTE release
MUTEHigh
NM
CN 2001
1
2
3
4
5
6
7
NM
C2020
C2003
12p/50
CH
C2008
0.1u/10
C2016
1500p/50
C2015
1u/10
C2023
0.1u/10
C2017
0.01u/16
C2005
12p/50
CH
C2013
0.1u/10
C2001
0.1u/10
C2012
0.1u/10
C2007
NM
C2006
12p/50
CH
C2004
12p/50
CH
C2002
0.1u/10
C2009
0.1u/10
C2010
0.1u/10
C2022
1u/10
C2011
NM
C2014
0.1u/10
C2024
0.1u/10
C2019
NM
C2021
DCH1201-A
10u
10V
C2018
0.01u/16
C2036
0.01u/16
NM
D2004
D2002
NM
D2001
NM
D2003
NM
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD GNDD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
GN DD
IC2001
TC7SHU04FUS1
NC
1
IN A
2
GN D0
3
OUTY
4
5
Vcc
IC2002
TC7SHU04FUS1
NC
1
IN A
2
GN D0
3
OUTY
4
5
Vcc
IC2006
NM
1
2
GN D
34
5
VCC
IC2007
TC7SH08FUS1
1
2
GN D
34
5
VCC
IC2005
TC7SH08FUS1
1
2
GN D
34
5
VCC
IC2004
TC7SH08FUS1
1
2
GN D
34
5
VCC
IC2009
TC7SH08FUS1
1
2
GN D
34
5
VCC
IC2008
TC7SH08FUS1
1
2
GN D
34
5
VCC
IC2003
TC7SH08FUS1
1
2
GN D
34
5
VCC
IC2010
S-80927CNMC-G8X
OUT
1
VDD
2
VSS
3
NC
4
5
CD
NM
Q2002
LTA124EUB
Q2001
R2026
10k
R2001
0
R2005
1.5k
R2021
47k
R2009
0
R2017
22
R2016
0
R2010
NM
R2018
22
R2013
0
R2028
22k
R2008
22
R2022
NM
R2014
22
R2024
0
R2012
0
R2023
470k
R2002
0
R2011
0
R
R
R2015
100k
R2027
10k
R2019
22
R2004
1M
R
R2025
0
R2006
1k
R2007
22
R2063
0
R2061
NM
R2059
0
R2003
1M
R2020
22
R2043
DBG_PORT0
Silk print Aside
[CPU_RST]
Silk print Aside
[CPU_MUTE]
Silk print Aside[V+3R3D_M]
CBC_INT
Silk print Aside
[24.576M_CLK]
Silk print Aside
[20M_CLK]
DBG_PORT1
V+3R3D
V+3R3E
V+3R3D
V+3R3E
V+3R3D
V+3R3D
V+3R3D
V+3R
V+3R3D
V+3R3D
V+3R3D
V+3R3E
V+3R3E
V+3R3E_M
V+3R3D
V
V+3R3D
V+3R3E
X2001
CSS1795-A
20MHz
X1
1
GN D1
2
GN D2
4
X2
3
X2002
DSS1204-A
24.576MHz
X1
1
GN D1
2
GN D2
4
X2
3
PowerReset
2:8H;3:2F
16:3B
DIT_RXD
RETURN_IN
1:5G
BF_SW
1:4B
16:3B
DITD_CS
17:2C;21:2G
CPU_MUTE
16:3B
DIT_TXD
16:3B
DIT_SCK
2:8H
P-CON
Oscillator
Oscillator
V+3R3D
FLMDO
RESET_IN
CLK_IN
GN DD
RESET_OUT
RxD
20MHz(MAIN/SH)
24.576MHz(DSP/FPGA)
debugger
CDC c
STBY
STBY
Digi Tr drive pull up
STBY
STBY
STBY then , SH CLK supply off
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
RN 1/16S****J
RN 1/10S****J
RN
CEVW N P***
NP
+
1/8W
CCSRCH****
CCSSCH****
CCSQCH****
STBY(TEST LED)
G
12/21
G 1/21
G 1/21
G 2/21,3/21
G 17/21,21/21
G 16/21
G 2/21
G
12/21 MAIN ASSY (DWX3190)
1-38
1-39
1-40
1-41
1-42
: Waveform measuring point

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