Pioneer DJM-900NXS Service Manual

18
DJM-900NXS
1
2 3 4
A
B
C
D
E
F
1
2 3 4
4.2 AUDIO SYSTEM BLOCK DIAGRAM
HEAD PHONES (TRS)
DAC(differential)
IC3404
AK4382AVT
DIGITAL OUTADAT_DOUT
ADAT_HP
DIT
IC2405
AK4114VQ
ADC(single)
IC6204
AK5358AET
Channel 1
ADAT_MIC_A
ADAT_CH1_
ADAT_LANIN
SRC
CS8421-CZ
ADC(single)
IC4803
AK5358AET
ADC(single)
IC4403
AK5358AET
ADC(differntial)
IC4406
CS5381-KZ
ADC(differntial)
IC4806
CS5381-KZ
ADC(differntial)
IC5206
MIC 2 (mono)
MIC 1 (mono)
LINE
PHONO
Channel 2
LINE
CD
Channe
l 3
LINE
CD
Analog Audio
Digital Audio
Time Code
MUTE_OUT
MUTE signal
IC4202
NJM4580MD
IC4201
NJM4580MD
RY4201
VSR1008
IC4402
NJM4580MD
IC4404
NJM4580MD
IC4405
NJM4580MD
CH1_L
CH1_R
IC4602
NJM4580MD
IC4601
NJM4580MD
IC5002
NJM4580MD
IC4401
RNB4580F
RY4601
VSR1008
IC4802
NJM4580MD
IC4804
NJM4580MD
IC4805
NJM4580MD
CH2_L
CH2_R
IC4801
RNB4580F
RY5001
VSR1008
IC5202
NJM4580MD
IC5204
NJM4580MD
CH3_L
Time Code
IC4408
TC7WH157FK
IC4808
TC7WH157FK
IC5208
TC7WH157FK
IC6201
NJM4580MD
IC6203
NJM4580MD
ADAT_CH2_
IC3405
NJM4580MD
IC3406
NJM4580MD
RY3401
VSR1008
FPGA
IC2214
XC3S50A-4FTG256C
VR MATRIX
EFFECT_ON/OFF Cross Fader Channel 1 Fader
VR_FADER1
Channel 2 Fader Channel 3 Fader Channel 4 Fader
FL LED (MATRIX)
VR_FADER2 VR_FADER3 VR_FADER4 CROSS_FADE
KEY_IN0-7
MIDI
MIDI_TXD
DSP_BUS
SH_BUS
MCPU_BUS
SUB ucom
IC6601
DYW1800- /J
(UPD78F1162AGF)
MAIN CPU
IC2011
DYW1799- /J
(UPD78F1166AGF)
ETHER UCOM
IC501
R5S76700B200BG
SDRAM (256M)
IC702
MD56V82160-6TAZ
FLASH (4M)
IC703
DYW1797- /J
FLASH (64M)
IC502
DYW1798- /J
SDRAM (128M)
IC503
MD56V72160B-6TAZ
CSI(SPI)
CSI(SPI)
CSI(SPI)
KEY MATRIX
X-PAD
(Touch Panel)
SENSOR IC
IC3601
AD7147ACPZ500RL7
CSI(SPI) DIT_SI/SO/SCK
ECLKOUT 98.304MHz
BUS
BUS
BUS
BUS
BUS
BUS
BUS
BUS
BUS
Control Signal
MVR_MUTE(MASTER TRIM)
CPU_MUTE
CKIO 80MHz
ETHER PHY
IC1603
RTL8201EL-VC-GR
differential 100Ω
VR_IN1-6
Descrete
Mute circuit
POWER SUPPLY Assy
TRIM1 Assy TRIM2 Assy TRIM3 Assy
Ether 100base
IC2404
RESET
FAD1 Assy FAD2 Assy FAD3 Assy FAD4 Assy
FADC Assy
RESET IC
IC2010
S-80927CNMC-G8X
POWER
RESET_OUT
BUS
EFFECT_ON/OFF
K
PNLA ASSY
Q
PNLB ASSY
L
CDCB ASSY
A
INPUT ASSY
B
MIC1 ASSY
I
HPJK ASSY
G
MAIN ASSY
S
POWER SUPPLY ASSY

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