Pioneer DJM-900NXS2 Service Manual

11
DJM-900NXS2
5
6 7 8
5
6 7 8
A B C
D
E
F
4.4 POWER SUPPLY BLOCK DIAGRAM
V-1515U
V+15+15U
V+5+5U
V+V+12M12M
V+3R3V+3R3REFREF
V+V+15OLED15OLED
V+5AV+5A
V-15A15A
V+15AV+15A
V+15AV+15A
V-15A15A
V+V+5LED5LED
V+5V+5E
V+3R3REFV+3R3REF
V+3R3REFV+3R3REF
V+3R3REFV+3R3REF
V+3R3REV+3R3REF
LIVELIVE
NEUTRALNEUTRAL
ICIC45104510
V+2R5DV+2R5D
ICIC45014501
V+V+5E5E
ICIC45044504
V+3RV+3R8D
ICIC45064506
V+1R2V+1R28585D
V+5DV+5D
IC8001IC8001
V+V+7HPHP
IC8002IC8002
V-7HPHP
V+12+12E
V+12+12M
V+3RV+3R3REFREF
V+3R3V+3R3OLEDOLED
V+3R3REFV+3R3REF
V+3R3DV+3R3D
V+3R3REFV+3R3REF
V+12V+12M
ICIC45074507
V+V+5D_DIGI5D_DIGI
OUTPUTOUTPUT
CIRCUITCIRCUIT
IC1IC1
MAINMAIN
UCOMUCOM
AM3352AM3352
IC4513IC4513
High side SWHigh side SW
VMUTEVMUTE
V+5LEDV+5LED
V+3R3DV+3R3D
V+5AV+5A
V-15A15A
V+15AV+15A
ICIC45034503
V+5+5U
V+5+5A_DACREFA_DACREF
V+5AV+5A V-15A15A V+15AV+15A
TO PNLATO PNLA
V+15+15U
ICIC45124512
V+15+15OLEDOLED
V+12+12M
V+12+12M
ICIC45054505
ICIC45024502
ICIC45084508
V+V+3R3D_DIGI3R3D_DIGI
IC2IC2
PMICPMIC
ICIC45094509
V+V+3R3REF3R3REF
TO PNLATO PNLA
V+V+3R3A3R3A
ICIC50105010
V+3R3A3R3A
V+3R3REFV+3R3REF V+3R3REFV+3R3REF V+3R3REFV+3R3REF V+3R3REFV+3R3REF
V+12+12M
V-15A15A V+15AV+15A V-7HP7HP V+7HP+7HP
V+12+12M
ICIC48514851
V+V+5R2D5R2D
USBA_VBUSUSBA_VBUS
USBB_VBUSUSBB_VBUS
V+V+15OLED15OLED
OLEDOLED
OLEDOLED
V+V+3R3REF3R3REF
ICIC70037003
V+V+3R3OLED3R3OLED
ICIC70047004
V+V+3R3E3R3E
IC7001IC7001
PANELPANEL
UCOMUCOM
V+V+3R3REF3R3REF
ICIC76027602
ICIC76037603
ICIC76017601
V+15U
31
21
31
V+15A
V-15U
V-15A
V+5+5U
V+5+5A
13
54
13
23
2
3
71
82
51
15
15
23
15
15
45
23
23
23
13
CDCB ASSY
U
FAD1 ASSY
Q
FAD2 ASSY
R
FAD3 ASSY
S
FAD4 ASSY
T
CRFD ASSY
W
PNLA ASSY
P
TRIM1 ASSY
B
TRIM2 ASSY
C
AINB ASSY
A
SEND ASSY
L
HPPW ASSY
M
USBP ASSY
I
USBC ASSY
J
USBB ASSY
K
MAIN ASSY
G
REGB ASSY
H
ACSW ASSY
Y
SW POWER
SUPPLY
X
TRIM3 ASSY
D
TRIM4 ASSY
E
PNLB ASSY
V
∗ These are the dedicated power ICs for IC1.
For details on the generated voltage and input/output pins
of each power IC, see "MAIN ASSY (4/24)" in "10. SCHEMATIC DIAGRAM."
P2
2
1
5
CN4502
2
1
5
P4
P3
CN8001
2
2,
3
CN4501
1
2,
3
1,
2
CN4801
6-
8
CN4852
1-
3
1,2
CN4851
5,6
CN4509
5,6
CN7601
3 6 9
CN6001
2
9
3
2
CN5003
CN5801
9
CN5601
9
CN5401
9
CN5201
919
CN7002CN7001
28
CN7009
9
CN6401
9
CN6301
9
CN6201
9
CN6101
CN5004CN5002
CN4504
CN4507CN4508
276
7
9 4
CN3801
2 3
CN2
2 7
CN4701
2 7
CN4503
3 6 9
CN3901
1 3 9 11
CN8201
14 12 6 4
20-18
1,2
23 121
CN4505CN4506
19,18 16,14
4,6
276
14
9 4
21-23
CN7004
2
1
12
CN4906
23
24
13
CN7006
3
CN7811
3
CN7821
1
CN7831
3
CN7841
1
CN4001
3
CN7007
1
CN7008
3
CN7003
28
CN7501
1
CN7502
3

Pioneer DJM-900NXS2 Specifications

General

MIDI out	Yes
Phono inputs (RCA)	4
USB 2.0 ports quantity	3
Digital audio coaxial out	1
Sample rate	96 kHz
Frequency range	20 - 40000 Hz
Channels quantity	4 channels
Line Signal-to-Noise Ratio (SNR)	105 dB
Total Harmonic Distortion (THD)	0.005 %
Power consumption (typical)	42 W
Type	Magvel Fader

Weight and Dimensions

Depth	414.2 mm
Width	333 mm
Height	107.9 mm
Weight	8000 g