Main Assy (18/21) - Pioneer DJM-900NXS Service Manual

1

10.30 MAIN ASSY (18/21)

A
32BIT DAC
1 point contact
V+5A_O V+5A_M1
ZZ2801
V+15A_O V+15A_M1
ZZ2802
ZZ2803
V-15A_O V-15A_M1
G 1/21,17/21,19/21,20/21
B
1:11D;17:9F;19:2E;20:2C
R E S E T _ O U T
17:9E
M C L K _ O U T _ M 1
17:9E
B C L K _ O U T _ M 1
(MA D)
17:9G
G 17/21
A D A T _ M A S T E R _ O U T
17:9F
L R C L K _ O U T _ M 1
17:9G
M V R _ M U T E _ O U T
V+12D_O
STBY
C
D
NOTES
is STBY
NM
RS1/16S****J
RS1/10S****J
RN RN1/16S****J
RN1/10S****J
RS1/16S****D
(D)
RS1/10S****D
(F) RS1/16S****F
RS1/10S****F
1/8W RS1/8S****J
1/4W RS1/4S****J
2W
RS2****J
RAB4CQ****J
E
CKSRYB****
CKSSYB****
CH
CCSRCH****
CCSSCH****
CCSQCH****
+
CEVW***
+
CEHVAW**
HA
NP CEVWNP***
G 17/21
CPU_MUTE_OUT
From OUTPUT IF Block
17:9C
F
G
18/21
156
1
2
V+15A_M1
V+15A_M1_ICP
GND_PO
V-15A_M1
V-15A_M1_ICP
GND_PO
MASTER1 DAC
1-89 1-87
GNDD
R 2 8 1 3 0
0
R 2 8 1 4
R 2 8 1 5 0
R 2 8 1 6 0
V+5A_M1
1-84
1-88 H Softmuete
L mute release
C 2 8 0 6
R 2 9 0 0
0 . 1 u / 1 0
R 2 8 0 8
0 . 0 1 u / 1 6
R 2 8 0 9
GNDD
C 2 8 0 7
C 2 8 0 3 1
GNDD GNDA_M1 2
0.01u/50
3
GNDA_M1
R 2 8 0 2
4
1 k
V+5A_M1
1 0 k
2
Q 2 8 0 1
8
1
4 2 S 5 8 6 8 ( Q R )
3
I C 2 8 0 1
R 2 8 0 3
RNB4580F
1 k R 2 8 0 5
0
6
8
7
4
Q 2 8 0 2
5
2 S 5 8 6 8 ( Q R )
I C 2 8 0 1
RNB4580F
GNDA_M1
: Waveform measuring point
(MA D)
: MASTER OUT Digital Signal
(MA O)
: MASTER OUT L ch
(MA1 O)
: MASTER1 OUT L ch
(MA2 O)
: MASTER2 OUT L ch
DJM-900NXS
2
3
Shaping Noise Filter
1-85
R 2 8 1 2
0
1-86
V+5D_O V+5A_M1
STBY
R 2 8 1 8
IC2802
N M
1 3 0
SUMTE/CSN LRCK
2 2 9
TST1/CAD0 SDATA
1 0 k
3 2 8
DEM0/CCLK BICK
1 0 k
4 2 7
DEM1/CDTI PDN
5 2 6
DIF0/CAD1 DVDD
8 6 2 5
1-92
DIF1/DZFL VSS4
7 2 4
7
DIF2 MCLK
8 2 3
6
PSN AVDD
9 2 2
5
L+
TST2/DZFR VSS3
1 0 2 1
AOUTRP AOUTLP
1 1 2 0
AOUTRN AOUTLN
V+5A_M1
1 2 1 9
VSS1 VSS2
1 3 1 8
VDDR VDDL
1 4 1 7
1-93
VREFHR VREFHL
1 5 1 6
VREFLR
VREFLL
AK4390EF
GNDA_M1
GNDA_M1
R+
1-90
1-91
R-
3
4
C 2 8 4 8
4 7 0 0 p / 5 0
R 2 8 7 3
GNDA_M1
L+
R 2 8 2 6 R 2 8 4 4 R 2 8 6 2
1 . 3 k
1 . 5 k 1 . 1 k
RN RN RN
R 2 8 2 7 R 2 8 4 5 R 2 8 6 3
1 . 1 k
1 . 5 k 1 . 3 k
L- RN
RN RN
C 2 8 4 7
4 7 0 0 p / 5 0
R 2 8 7 2 1 8 0
GNDA_M1
L-
R 2 8 2 4 R 2 8 4 2 R 2 8 6 0
1 . 3 k 1 . 1 k
1 . 5 k
RN RN
RN
L+
R 2 8 2 5 R 2 8 4 3 R 2 8 6 1
1 . 1 k
1 . 5 k 1 . 3 k
RN RN RN
L-
V+15A_M1
6
2
1
3 6
3 6 3
5 2
2 5 5
1 4 1 4
4
V-15A_M1
C 2 8 4 9
R 2 8 7 4 1 8 0
GNDA_M1
R+
R 2 8 3 0 R 2 8 4 9 R 2 8 6 6
1 . 5 k 1 . 3 k 1 . 1 k
RN RN RN
R 2 8 3 1 R 2 8 5 0 R 2 8 6 7
1 . 3 k 1 . 1 k
R- 1 . 5 k
RN RN
RN
C 2 8 5 0
4 7 0 0 p / 5 0
R 2 8 7 5
1 8 0
GNDA_M1
R-
R 2 8 2 8 R 2 8 4 7 R 2 8 6 4
1 . 5 k 1 . 3 k 1 . 1 k
RN RN RN
R 2 8 2 9 R 2 8 4 8 R 2 8 6 5
1 . 5 k 1 . 3 k 1 . 1 k
R+
RN RN RN
4
V+15A_M1
C 2 8 5 4
0 . 1 u / 5 0
STBY
C 2 8 5 5
R 2 8 8 5
2 2 0 u / 3 5
HA
N M
GND_PO
(1/2) C 2 8 6 3
I C 2 8 0 3
NJM4580MD
0 . 0 4 7 u / 5 0
6
8
C 2 8 6 4
7
1 8 0
4 7 0 u / 1 6
4
HA
5
HA
3
6
5 2 2 2 0 u / 3 5
4 1
C 2 8 6 0
C 2 8 5 6
0 . 1 u / 5 0
V-15A_M1 GND_PO
(
CH
C 2 8 5 2
1 8 0 p / 5 0
V+15A_M1
STBY
R 2 8 8 4
N M
(2/2)
C 2 8 6 1
I C 2 8 0 3
NJM4580MD
0 . 0 4 7 u / 5 0
2
C 2 8 6 2
8
1
4 7 0 u / 1 6
4
3 HA
3
6
2 5
1 4
V-15A_M1
(MA
C 2 8 5 3
1 8 0 p / 5 0
CH
V+15A_M1
STBY
C 2 8 5 7
R 2 8 8 6
0 . 1 u / 5 0
N M
GND_PO
C 2 8 6 5
4700p/50
0 . 0 4 7 u / 5 0
2
8 C 2 8 6 6
1
(1/2)
4 7 0 u / 1 6
4
I C 2 8 0 4
3
HA
NJM4580MD
3
6
2 5 C 2 8 5 8
0 . 1 u / 5 0
1 4
GND_PO
V-15A_M1
C 2 8 5 9
1 8 0 p / 5 0
CH
V+15A_M1
STBY
R 2 8 8 7
N M
C 2 8 6 7
(2/2)
0 . 0 4 7 u / 5 0
I C 2 8 0 4
6
8 C 2 8 6 8
7
4 7 0 u / 1 6
4
5
HA
NJM4580MD
3
6
5 2
1
4
V-15A_M1
C 2 8 5 1
1 8 0 p / 5 0
CH