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XVM-R90D
13
13
MV-900SDS
R2
R3
CN1
C1
C2
C3
C4
C5
R1
U2
R31
U3
C110
C111
R110
CN5
R39
C37
R44
R48
R50
R51
R49
R83
R84
R43
C38
R100
R40
R38
D100
C36
RN4
RN5
RN6
RN7
RN8
RN9
RN10
RN11
RN3
RN2
RN1
C90
R46
R47
R36
R33
R34
R35
TC7
C35
BC6
BC7
BC8
L4
U4
U5
R41
R45
J1
M1
TC21
R42
R37
C39
33
33
50P
10p
10p
10p
10p
10p
10k
SST39SFO10A
33
BD4738G
1
0.22
4.7k
6P
0
100p
3.3k
1
1
1
1
0
0
0
100p
15k
16k
22k
RLS4148
0.1
10KX4
10KX4
10KX4
10KX4
100X4
100X4
100X4
100X4
33X4
47X4
10KX4
0.1
47k
47k
33k
150
150
10k
47
6.3V
0.1
0.1
0.1
0.1
HY57V161610ETP-7
BA5954FP
33
22k
2P
33
10V
12k
16k
4700p
VCC
M
VCC
MVREF2
3.3V
GND
S5V
M
GND
BUS1
BUS3
BUS4
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
HD14
HD15
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
HD14
HD15
MA13
MA14
MA15
RD0
RD1
RD2
RD3
RD12
RD13
RD14
RD15
HINTJ
HCS16J
HCS1J
HCS3J
IORDY
IORJ
IOWJ
HA0
HA1
HA2
XHD0
XHD1
XHD2
XHD3
XHD4
XHD5
XHD6
XHD7
XHD8
XHD9
XHD10
XHD11
XHD12
XHD13
XHD14
XHD15
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9
MA10
MA11
MA12
ROEJ
RCASJ
RRASJ
RWEJ
IDERST
RA0
RA1
RA2
RA3
RA10
RA11
RD4
RD5
RD6
RD7
RD8
RD9
RD10
RD11
MPSENJ
MFSCSJ
DRESET
STRACK
TRAYCL
SFOCUS
SSLEG
FEED+
FEED-
FOCUS-
FOCUS+
TRACK-
DISC_OUT_DET
DISC_OUT_DET
DISC_IN_DET
DISC_IN_DET
RA9
RA8
RA7
RA6
RA5
RA4
SDCLK
CRSTJ
SPD_DET
MP1_1
CLOSE END SW
MWRJ
TRACK+
+5V
+5V
+5V
+5V
GND
GND
RST
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
HD14
HD15
GND
HINTJ
HA1
HA0
HA2
GND
IORDY
IOWJ
IORJ
HCS1J
GND
HCS16J
HCS3J
GND
SPD_DET
ENDSW
SLOT_OUT_DET
SLOT_IN_DET
PA5V
SPD_STP
GND
GND
SM8V
SM8V
LOAD-
LOAD+
GND
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
VSS
CE
OE
A10
A0
A1
A2
A3
A4
A5
A6
A7
A12
A15
A16
NC
NC
VDD
WE
A14
A13
A8
A9
A11
DQ14
VSSQ
DQ13
DQ12
VCCQ
DQ11
DQ10
VSSQ
DQ9
DQ8
DQ15
VSS
VCCQ
NC
UDQM
CLK
CKE
NC
A9
A8
A7
A6
A5
A4
VSS
A10
A11
A0
A1
A2
A3
VCC
CS
WE
CAS
RAS
LDQM
VCCQ
DQ7
DQ6
VSSQ
DQ5
DQ4
VCCQ
DQ3
DQ2
VSSQ
DQ1
DQ0
VCC
OUT
VCC
GND
SUB
NC
STBY
BIAS
VINTK
CTKERR1
CTKERR2
VINLD
PREGND
PVCC2
VNFTK
PGND
VOLD-
VOLD+
VOTK-
VOTK+
VINFC
CFCERR1
CFCERR2
VINSL+
VINSL-
VOSL
VNFFC
VCC
PVCC1
PGND
VOSL-
VOSL+
VOFC-
VOFC+
(SGND)
(2/3)
FLASH MEMORY
RESET SIGNAL
GENERATOR
16Mbit SD-RAM
SLED/LOADING MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
PA5V
END SW
PA5V
GND
DISC_IN_DET
DISC_OUT_DET
LOAD-
LOAD+
(LOADING)
2.7
µH
3-4. SCHEMATIC DIAGRAM – SERVO Board (2/3) –
(Page 12)
(Page 14)
•
See page 15 for IC Block Diagrams.
(Service
manual
Page 24)
manual
Page 24)
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