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4-3. BLOCK DIAGRAM
MDX-65
+9V
DCS6
DCS1
11
FOCUS
8
DRIVER
CONTROL
5
6
IC300
SLED/SPINDLE MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
26
TRACKING
29
DRIVER
CONTROL
32
31
24
M902
(SLED)
04
22
DRIVER
CONTROL
19
20
M
15
M901
(SPINDLE)
13
DRIVER
CONTROL
17
18
M
7
4
6
9
11
APC
10
PD
LD
AUTOMATIC
POWER CONTROL
Q100
IC100
RF AMP
SWDT
SCLK
RFO
46
AGCI
40
DETECTOR
IC500
D/A CONVERTER
IC700
ELEVATOR MOTOR DRIVE
7
M904
(ELEVATOR)
9
DRIVER
CONTROL
4
2
M
IC701
LOADING MOTOR DRIVE
7
M903
(LOADING)
9
DRIVER
CONTROL
4
2
M
5
2
8
1
F
F
C
C
B
B
J
J
A
A
D
D
E
E
I
I
PD
SWDT
SCLK
XLAT
XLAT
18
16
17
RF
38
TE
SE
ADFG
32
26
28
FE
BOTM
36
34
PEAK
ABCD
37
35
78
ADFG
73
SE
74
TE
55
RFI
75
AUX2
PEAK HOLD
Q200
IC200
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO SIGNAL PROCESSOR
62
PEAK
63
BOTM
65
FE
64
ABCD
4
1
2
83
APC REFAPC REF
12
IC202
LASER
APC SWITCH
88
FFDR
89
FRDR
86
TFDR
85
TRDR
93
SPRD
94
SPFD
91
SRDR
92
SFDR
XLAT
XLAT
7
SCLK
SCLK
6
SWDT
SWDT
5
XRST
XRST
10
15
RSTB
XINT
XINT
14
SRDT
SRDT
8
SQSY
SQSY
11
DOUT
DOUT
22
DADT
FS256
26
24
XBCK
LRCK
25
27
6
18
17 74
56
57
58
59
67
EMPH O
MNT0
MNT1
MNT2
MNT3
SENS
9
12
MUTE
DMI
VOUTR R-CH
VOUTL
XTI
5
DATA
4
BCK
1
LRCK
XRST
XLAT
SWDT
SCLK
XINT
43 21
CC XINT
SRDT
21 40
MD SI
SQSY
65 18
SQ SY
DOUT
89
71
MD RST
70
MD LAT
41
MD SO
42
MD CKO
IC602
LEVEL SHIFT
1
M1
2
M1
3
M2
4
M2
S901
(HOME POSITION DET)
8
HOME
6
LES
69
DOORSW
S400
(LIMIT)
68
LIMIT SW
27
EHS
7
SES
95
ı
100
MDMON
5
78
411
69
10
213
IC900
BUS INTERFACE
IC902
SYS RST
BATT
BUS CLK
BUS DATA
BUS ON
DIGITAL OUT
RESET
SW
SW
RESET
15
UNI CKI
47
UNISO
46
UNISI
45
BUS ON
17
IC601
RESET
IC902
+
–
5
IC930
LINE AMP
7
6
MUTING
Q920
MUTING
Q910
64
7
31 2
5
CN900
CN902-1
CN902-2
L
R
A ATT
75
R-CH
BU IN
16
BATTERY DET
Q940, 941
AUDIO
OUT
+9V REG.
Q930, 931
P/U5V
DRV5V
4
2
1
INPUT
VCC
OUT
+5V REG.
Q972
+3V REG.
Q800, 801
+3.3V
LAMP DRIVE
Q600, 601
8
IC970
REGULATOR CONTROL
PL620
(ILLUMINATION)
14
13
X601
32.768kHz
11
10
X600
14MHz
X2
X1
XT2
XT1
19
STR SW
S600
STOP
76
ILL ON
IC600
SYSTEM CONTROL
(BUS CONTROL OUT)
OPTICAL PICK-UP BLOCK
(KMS-241A/J2N)
MUTING
SWITCH
Q500
MUTING
CONTROL
SWITCH
Q932
Q970
B+ SWITCH
B/U5V
Q602
B+ SWITCH
+6V REG.
Q950
XOE
XCAS
41
42
A09
XRAS
44
43
47
·
46
·
48
·
49
1
·
2
·
24
·
25
22
DE
23
CAS
5
A9
4
RAS
D4
D0
AO8
D3
D0
A8
IC201
RAM
32
ı
29
·
34
ı
38
9
ı
12
·
14
ı
18
AO0
A0
XWE
45 3
WE
OSCI
OSCO
16
17
X200
22.5792MHz
MNT0
MNT1
MNT2
MNT3
SENS
MNT0
MNT1
MNT2
MNT3
SENS
SENS
9
MNT3
4
MNT2
3
MNT1
2
MNT0
1 1213
1011
89
65
43
IC603
LEVEL SHIFT
RV901
ELEVATOR HEIGHT
SENSOR
S611-616
DISC WITH/
WITHOUT DET
S902
LOADING END
SENSOR DET
S620
FRONT DOOR
OPEN DET
S903
STORE END
SENSOR DET
Signal Path
: PB
4