Pioneer CDJ-900 Service Manual page 79

5
0 0 5
1 8 1 8 - A
R 7 1 0 7
N M
V+3D
R 7 1 0 8
N M
ACLK
DY
R 7 1 3 7 0
REQ 1 3 3
R 7 1 3 6 0
1 3 4
WR
C 7 0 7 3
1 3 5
0.1u
1 3 6
R 7 1 3 5 0
IOR 1 3 7
R 7 1 3 4 0 1 3 8
DY
I O R D Y
R 7 1 3 3 0
1 3 9
ACLK
N D M A C K
D M A R Q
133
R 7 1 3 2 0
1 4 0
RQ 134 N I O W R
I N T R Q
135
V D D 3 - 6
6 1 4 1
136 V S S - 9
N I O C S 1 6
137 N I O R D
R 7 1 3 1 0
1 4 2
1
D A 1
1 4 3
G
N P D I A G
R 7 1 3 0 0
1 4 4
0
D A 0
145
VSS-10
C 7 0 7 4
146
0.1u
VDD3-7
R 7 1 2 9
147
2 0
DA2
R 7 1 2 8
148
S0 0
NCS1FX
R 7 1 2 7
S1 149
0
NCS3FX
R 7 0 8 4
150
1 0 k
NDASP
R 7 0 8 7 1 0 0
151
15
HDD15
R 7 0 8 8 1 0 0
152
0
HDD0
R 7 0 8 9 1 0 0
14 153
HDD14
R 7 0 9 0 1 0 0
154
1
HDD1
R 7 0 9 1 1 0 0
155
13
HDD13
C 7 0 7 5
0.1u 156
R5D VDD3-8
C 7 0 7 6
157
0.1u
VDD15-3
158
VSS-11
R 7 0 9 2 1 0 0
159
2
HDD2
R 7 0 9 3 1 0 0
160
12
HDD12
R 7 0 9 4 1 0 0
161
3
HDD3
R 7 0 9 5 1 0 0
162
11
HDD11
R 7 0 9 6 1 0 0
163
4
HDD4
R 7 0 9 7 1 0 0 164
10
HDD10
R 7 0 9 8 1 0 0
165
5
HDD5
166
VSS-12
C 7 0 7 7
0.1u
167
VDD3-9
R 7 0 9 9 1 0 0 168
9
HDD9
R 7 1 0 0 1 0 0
169
6
HDD6
R 7 1 0 1 1 0 0
170
8
HDD8
R 7 1 0 2 1 0 0
171 174 MASTER
7
HDD7
175 P0/SERIAL
172
C 7 0 7 2
0.1u 176 P1/SERIAL
VDDH
173
ESET
NRESET
R 7 0 8 3
174
2 2 k
175
176
C 7 0 6 9
N M
C 7 0 7 0
N M
V+1R5D
2 6
F
k
SPQ
5
The > mark found on some component parts indicates
o
the importance of the safety factor of the part.
4
n
Therefore, when replacing, be sure to use parts of
identical designation.
IC
5
6
A 2/2
FCS_A
F o r F O C U S C U R R E N T
D E T E C T I O N C I R C U I T
( S T B Y )
to (2/2)
7
5
C 7 0 8 3
R 7 1 1 1 1 0 k 470p
R 7 1 1 2 2 2 k
C 7 0 8 4
R 7 1 1 3 1 0 k 470p
R 7 1 1 4 2 2 k
SODC
MN103S71F
IC7008
: ACTIVE
Channel1 select of Driver IC(IC7002)
MU1(35p) MU2(36p) LOADING SLIDER FOCUS TRACKING SPINDLE/MODE
H H
H L
L H
L
L
V+1R5D VDRAM1R5
6
7
A
VREF2
VHALF
PLL CIRCUIT
V C O F
A V D D D
L O U T
R O U T
A V S S D
O F T R
B D O
J L I N E
V F O S H O R T
T S T S G
V S S - 7
V D D 1 5 - 2
T X
F G
V D D 3 - 4
D R A M V D D 3 3
D R A M V D D 1 5 - 2
D R A M V S S - 2
D R V 1 4
D R V 1 3
D R V 1 2
LOAD
D R V 1 1
7VRSW D R V 1 0
6VRSW D R V 9
D R V 8
V S S - 6
NC
D R V 7
NC
D R V 6
: MUTE
D R V 5
D R V 4
short brake
D R V 3
reversed brake
D R V 2
D R V 1
NC
D R V 0
V S S - 5
O S C O
O S C I
V D D 3 - 3
R X D / E X T R G 1 / M C L O C K
T X D / E X T R G 0 / M D A T A
S D A T A 4 8
S C L O C K
V S S - 4
N R S T
: RF Signal Route
(FS)
: Focus Servo Signal Route
(TS)
: Tracking Servo Signal Route
(SP)
: Spindle Motor Signal Route
(ST)
: Stepping Motor Signal Route
(LO)
: Loading Motor Signal Route
CDJ-900
7
1/2
SRV ASSY (DWX3020)
NOTES
NM NO MOUNT
RS1/4SA***J
1/4
RS1/10SR***J
RS1/10SR****F
F
CKSRYB
V+3A
CCSRCH
CH
CEHV W
CEHV AW
VAW
CIRCUIT GND
GND_TOMAIN
CIRCUIT GND
GNDD GNDD
(A)
8 8
C 7 1 0 3
8 7
0.1u
8 6
8 5
8 4
8 3
8 2
8 1
8 0
VFOSHORT
R 7 1 2 1 C 7 1 1 2
7 9
TESTSG
1 k 0.1u
7 8 C 7 1 0 8
V+1R5D
0.1u
7 7
7 6 R 7 1 1 9
7 5
1 0 0 k SPDLFG
7 4
C 7 1 0 4
VDRAM1R5
7 3
0.1u
7 2
C 7 1 0 9
7 1
0.1u
7 0 GNDD
6 9
6 8
LOAD
R 7 1 2 2
6 7
4 . 7 k
6 6
6 5
6 4
6 3
6 2
6 1
(ST)
6 0
(ST)
5 9
5 8
5 7
SPDLEC
5 6
5 5
1 6 . 9 3 4 4 M H z
5 4
R 7 1 2 0
5 3
V+3D
1 k
5 2
C 7 1 0 6
5 1
1u
5 0
4 9
GNDD
TXD
RXD
4 7
4 6
NRST
R 7 1 2 4
4 5
C 7 1 0 5
1 0 0
1000p
8
A
B
OFTR
BDO
C
FEPEN
FEPDT
FEPCK
LOAD
ST2
D
ST1
FBAL
C N 7 0 0 6
N M
4 GNDD
3 V+3D
TXD
2
1 RXD
NRESET
E
F
A
1/2
79
8