Pioneer DJM-900NXS Service Manual

98
DJM-900NXS
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10. SCHEMATIC DIAGRAM
10.1 INPUT ASSY (1/11)
BOARD IF
BCLK
RESET
From To CH1 IN PUT Block
From To CH2 IN PUT Block
From To CH1 AD Block
From To CH2 AD Block
CH1 & MIC side
BCLK
MCLK
LRCLK
CH2 & CH3 center position
From To MIC/MIDI Block
6M_CLK_SUB
96K_CLK_SUB
24M_CLK_SUB
VKN1811-A
CN 4002
1
RETRUN_IN
2
RETURN_DATA
3
GNDD
4
CH4_TRIM
5
CH4_SEL
6
CH4_SEL(Time code)
7
GNDD
8
CH4_DATA
9
GNDD
10
CH3_TRIM
11
CH3_SEL
12
CH3_SEL(Time code)
13
GNDD
14
CH3_DATA
15
GNDD
16
V+3R3DRERA
17
V+3R3DRERA
18
GNDD_REFA
19
GNDD_REFA
20
AD/DA_RESET
21
GNDD
22
LRCLK
23
GNDD
24
BCLK
25
GNDD
26
MCLK
27
GNDD
28
CH2_TRIM
29
CH2_SEL
30
CH2_SEL(Time code)
31
GNDD
32
CH2_DATA
33
GNDD
34
CH1_TRIM
35
CH1_SEL
36CH1_SEL(Time code) 37GN DD 38CH1_DATA 39MIC_DATA 40MIDI TXD
C4005
0.1u/16
C4002
0.1u/16
C4003
0.1u/16
C4008
0.1u/16
C4007
0.1u/16
C4006
0.1u/16
C4004
0.1u/16
GN DD
GN DD
GN DD
GNDD_REFA
GN DD
GN DD
GN DD
GN DD
GN D_PO
GN DA_1T
GN DA_2T
GN DA_2GN DA_1
GN DA_3T
GN DA_3
GN DD
GN DD
GN DD
GN DF
GN D_PO
IC4006
TC7SH08FUS1
OUTY
4
INA
2
5
3
INB
1
IC4002
TC7SH08FUS1
OUTY
4
INA
2
5
3
INB
1
IC4004
TC7SH08FUS1
OUTY
4
INA
2
5
3
INB
1
IC4003
TC7SH08FUS1
OUTY
4
INA
2
5
3
INB
1
IC4008
TC7SH08FUS1
OUTY
4
INA
2
5
3
INB
1
IC4007
TC7SH08FUS1
OUTY
4
INA
2
5
3
INB
1
IC4005
TC74VHC74FK
1CLR
1
1D
2
1CK
3
1PR
4
5
1Q
6
1Q
7
GND
8
2Q
9
2Q
10
2PR
11
2CK
12
2D
13
2CLR
14
VCC
AKF7002-A
KN4002
1
AKF7002-A
KN4001
1
R4038
0
R4035
0
R4033
0
R4010
NM
R4009
NM
R4011
NM
R4012
NM
R4006
NM
R4008
NM
R4007
NM
R4052
0
R4005
NM
V+3R3D_IN
V+3R3D_IN
V+3R3D_IN
V+3R3D_IN
V+3R3D_IN
V+3R3D_IN
V+3R3D_IN
V+3R3
CH4_TRIM
8:11C
RETURN_IN
10:10E
ADAT_CH3_ANA
7:12F
ADAT_CH1_ANA
3:12F
ADAT_MIC_ANA
11:11E
ADAT_CH2_ANA
5:12F
CH3_TRIM
6:11C
ADAT_CH4_ANA
9:12F
CH2_TRIM
4:11C
CH1_TRIM
2:11C
ADAT_RETURN_AN
10:10E
TC_SEL1
3:2H
TC_SEL2
5:2H
TC_SEL3
7:2H
LINE_SEL2
4:2H
LINE_SEL4
8:2H
LINE_SEL1
2:2H
MIDI_TXD
11:10F
LINE_SEL3
6:2H
TC_SEL4
9:2H
RESET CIRCUIT
for ADC
AD/DA RESET
CEHAT
HAT
NP
RS1/10SR***J
NM
CH
+
ZL
RN
CEJQ
is STBYNOTES
HXS
CEAT
RN1/16SE****D
CFTLA
CKSRYB
CEANP
CKSSYB
CCSRCH
CCSSCH
CEHAZL
CKSYB
LA
JQ
CFHXSQ
D RS1/10SE****D
RS1/16SS***J
RS1/4SA***J
A
1/11
A
1/11 INPUT ASSY (DWX3193)
A 4/11
A 5/11
A 2/11
A 3/11
A 11/11
G
1/21
CN1002
: Voltage measuring point
: Waveform measuring point
2-1
2-2
2-3
2-5
2-9
2-7
2-14
2-15
2-13
2-12
2-11
2-4
2-6

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