MVC-CD200/CD300
4-51 4-52
MD SYSTEM CONTROL
MD-083 (4/5)
For Schematic Diagram
• Refer to page 4-43 for printed wiring board.
Measurement at Mark is not possible
physically due to the parts mounted on
Side B.
When disk access fails,supply of power is
stopped due to power save.As the result,
most of the measurement points show"0"(zero).
D15
D14
D13
D12
D11
D10
D9
D8
ATSY
XRD
XMRST
LDEN
SPON
SNSCLK
XCLHINT
WAPCFUP
A19
A18
A17
A5
A4
A3
A2
A1
A0
R400
10k
B
0.001u
C405
0.1u
B
C410
0.1u
B
C412
47k
R406
47k
R464
XX
R466
XX
R474
0
R473
XX
R476
0
R478
0.01u
B
C401
0.01u
B
C404
B
0.1u
C409
47k
R405
B
0.1u
C414
100k
R454
XRFRST
6.3V TA
10u
C403
AK6440BH-E2
IC406
1
X_CS
2
X_SK
3
D1
4
D0
5
GND
6
RESET
7
RDY
8
VCC
100k
R552
R586
0
XX
C434
47k
R587
XX
Q406
XX
IC416
1
CK
2
D
3
XQ
4
GND
5
Q
6
XCLR
7
XPR
8
VCC
IC404
HD64F2314VTE25
1
P12/TIOCC0/
TCLKA/A22
2
P13/TIOCD0/
TCLKB/A23
3
P14/TIOCA1
4
P15/TIOCB1/TCLKC
5
P16/TIOCA2
6
P17/TIOCB2/TCLKD
7
VSS
8
P30/TXD0
9
P31/TXD1
10
P32/RXD0
11
P33/RXD1
12
P34/SCK0/XIRQ4
13
P35/SCK1/XIRQ5
14
PE0
15
PE1
16
PE2
17
PE3
18
VSS
19
PE4
20
PE5
21
PE6
22
PE7
23
D8
24
D9
25
D10
26
D11
27
D12
28
D13
29
D14
30
D15
31
VSS
32
A0
33
A1
34
A2
35
A3
36
A4
37
A5
38
A6
39
A7
40
VCC
41
A8
42
A9
43
A10
44
A11
45
A12
46
A13
47
A14
48
A15
49
VSS
50
A16
51
A17
52
A18
53
A19
54
P20/TIOCA3
55
P21/TIOCB3
56
P22/IOPCC3/TMRIO
57
MD0
58
MD1
59
P23/TIOCD3/TMCIO
60
FWE
61
MD2
62
XRES
63
NMI
64
XSTBY
65
VCC
66
XTAL
67
EXTAL
68
VSS
69
PF7/#
70
PF6/XAS
71
XRD
72
XHWR
73
PF3/XLWR/XIRQ3
74
PF2/XWAIT/XBREQ0/XIRQ2
75
PF1/XBACK/XIRQ1
76
PF0/XBRQ/
XIRQ0
77
AVCC
78
VREF
79
P40/AN0
80
P41/AN1
81
P42/AN2
82
P43/AN3
83
P44/AN4
84
P45/AN5
85
P46/AN6/DA0
86
P47/AN7/DA1
87
AVSS
88
VSS
89
P24/TMRI1/TIOCA4
90
P25/TMCI1/TIOCB4
91
P26/TMO0/TIOCA5
92
P27/TMO1/TIOCB5
93
PG0/XADTRG/XIRQ
94
PG1/XCS3/XIRQ7
95
PG2/XCS2
96
PG3/XCS1
97
PG4/XCS0
98
VCC
99
P10/TIOCA0/A20
100
P11/TIOCB0/A21
LMT
C17MV
47k
R451
100k
R549
100k
R547
100k
R546
100k
R548
100k
R545
100k
R497
100k
R488
100k
R493
B
0.001u
C406
XXR401
SLFG
SENS
TZC
SAO
MPXO
XSQINT
A16
A7
A6
XCSSRAM
4.6V
R585
XX
XWR
TC7SH32FU-TE85R
IC403
123
45
0.1u
B
C411
XCDR_RSTO
TC55V1001AFTI-10L
IC401
1
A11
2
A9
3
A8
4
A13
5
RX/W
6
CE2
7
A15
8
VDD
9
N.C.
10
A16
11
A14
12
A12
13
A7
14
A6
15
A5
16
A4
17
A3
18
A2
19
A1
20
A0
21
I/O1
22
I/O2
23
I/O3
24
GND
25
I/O4
26
I/O5
27
I/O6
28
I/O7
29
I/O8
30
XCE1
31
A10
32
XOE
10uH
L402
6.3V
TA
10u
C445
CL400
CL401
TC7SH32FU-TE85R
IC418
123
45
0.1u
B
C446
NMI
XGAINT
C2PO
B
C400
0.1u
FSHOCK
TC7W74FU(TE12R)
IC400
1
CK
2
D
3
XQ
4
GND
5
Q
6
XCLR
7
XPR
8
VCC
XX
C448
100k
R640
B
0.1u
C454
TSHOCK
EJECT
B
0.1u
C417
XX
IC412
1
CK
2
D
3
XQ
4
GND
5
Q
6
XCLR
7
XPR
8
VCC
XX
C402
47k
R409
100k
R410
XX
IC424
1
SI
2
VR2
3
PS
4
OUT
5
GND
6
VCC
7
BO
8
BI
9
AO
10
VR1
XX
R650
XX
R651
XX
C457
XX
C458
XX
C459
XX
C460
XX
L404
4.6V-2
SE401
XX
TC7SH08FU-TE85R
IC423
123
45
UN9213J-(K8).SO
Q410
47k
R654
2P
CN405
1 VCC
2 GND
2SA1588-OY-TE85L
Q412
1SS355TE-17
D407
2200
R664
10k
R668
UN9213J-(K8).SO
Q416
XPD
10k
R672
R674
47k
CL405 CL406 CL407
R675
47k
CL408
CL409
100k
R676
47k
R679
10k
R680
10kR681
10kR682
10kR683
CL410
CL411
CL412
R684
0
R685
0
R686
XX
R687
0
R688
0
10k
R689
TC7SH14FU-TE85R
IC402
123
45
0.1u
B
C408
CL413
100k
R677
10k
R690
SAMO
CL414
10k
R695
XWR
XRD
A3
A0
A2
A5
A1
A6
A4
A7
DSP3.4V
GND
3.4V
EJECT
XCDR_RSTO
XCLDINT
XCLRST
XCLHINT
BACK_UP_VCC
1
A
XRD
XMRST
LDEN
SPON
SNSCLK
XGAINT
NMI
XCSSRAM
XCLHINT
C17MV
D8
D9
D10
D11
D12
D13
D14
D15
A18
A17
A5
A4
A3
A2
A1
A0
A11
A9
A8
A13
A2
D12
D13
D14
D15
A14
A10
A1
A0
D8
D9
D10
XCSSRAM
A12
A7
A6
A5
A4
A3
D11
XE2CS
E2DO
E2DI
XE2CK
WAPCFUP
XRFRST
LMT
SENS
A19
SLFG
TZC
SENS
XSQINT
A16
A7
A6
XWR
D11
D13
D15
D14
D12
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
XCDR_RSTO
A15
A16
SNSCLK
LDEN
SPON
A19
A18
A17
XSQINT
XE2CK
C2PO
E2DO
SLFG
SAO
SAO
ATSY
TZC
XRD
EJECT
XPD
XE2CS
EJECT
XMRST
XGAINT
XPD
XCLRST
WAPCFUP
E2DI
XWR
XRD
LMT
XCLHINT
XCLDINT
SAMO
SAMO
XWR
A1
A0
A4
A6
A3
A2
A7
A5
C17MV
D10
D9
D8
NMI
XCDR_RSTO
EJECT
XCDR_RSTO
XCLDINT
XCLRST
XCLHINT
ATSY
C2PO
XWR
XRD
XRFRST
IC406
EEPROM
IC401
SRAM
SYSTEM CONTROL(MD)
IC404
SYSTEM PERIPHERAL
CONTROL
IC402,
IC418,
IC403
OR LATCH
IC423
OR LATCH
IC400
SWITCH
SWITCH
29
TO(2/5,3/5)
22
TO(3/5)
12
TO(2/5)
TO(2/5)
10
2
TO(1/5)
TO(3/5)
30
24
TO(1/5,3/5,
5/5)
25
TO(5/5)
18
TO(3/5)
27
TO(5/5)
TO(5/5)
28
TO(3/5,5/5)
21
26
TO(5/5)
20
TO(3/5)
MD SYSTEM CONTROL(CHAGALL BLOCK)
MD-083 BOARD(4/5)
-REF.NO.:3000 SERIES-
XX MARK:NO MOUNT
16
INVERTER
8
F
14
G
D
2 183 1510
J
12
E
16 1713651197
B
L
H
I
K
C
4
SLED speed servo
PB
SIGNAL PATH
REC/PBREC
DOOR LOCK
PLUNGER
PL902
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