MXD-D400
47
47
6-2.
BLOCK DIAGRAM – MD Section –
F
E
C
D
B
A
LASER
DIODE
DETECTOR
OPTICAL PICK-UP BLOCK
(KMS-262E)
LD
POWER
PD
LD
B
A
D
E
TRACKING
COIL
FOCUS
COIL
F+
F-
T+
T-
VCC
VC
E
8
F
9
APC
11
PD
10
OUT3F
12
OUT3R
10
21
23
27
25
6
8
14
IN3F
15
IN3R
19
18
29
30
4
16
PSB
TRDR
102
TFDR
103
FRDR
105
FFDR
104
MD DSP
IC201
RFIN
70
35
ABCD
34
FE
26
TE
ABCD
78
FE
79
TE
86
SE
85
26
D OUT
6
SWDT
7
SCLK
8
XLAT
38
XOE
37
XWE
47
XRAS
12
XRST
46
XCAS
38
RF
28
SE
MD MECHANISM CONTROLLER
IC12
SCLK
33
10
SRDT
11
SENS
SRDT
32
16
XINT
J
I
C
J
I
F
A
4
D
7
I
1
J
2
C
6
B
5
VR
PD
ILCC
HF
MODULE
MOD
OUT1F
OUT1R
OUT2F
OUT2R
OUT4F
OUT4R
IN1F
IN1R
IN2F
IN2R
IN4F
3
IN4R
SDA
SCL
WP
SFDR
108
SRDR
107
33
AUX
37
PEAK
36
BOTM
32
ADFG
16
SWDT
17
SCLK
18
XLAT
20
FCONT
12
APC REF
AUX
80
PEAK
76
BOTM
77
ADFG
91
DTRF
99
CLRF
98
XLRF
97
FCONT
94
APC REF
100
SPRD
109
SPFR
110
OVER WRITE
HEAD DRIVE
IC181, Q181, 182
HR901
OVER WRITE
HEAD
EFMO
115
XT
17
14
DQSY
13
SQSY
2
MNT1
3
MNT2
DRAM
IC152
SENS
58
XINT
25
DQSY
18
SQSY
20
SHOCK
59
XBUSY
48
SWDT
31
XLATCH
50
DRESET
52
IOP
89
LD ON
57
WRPWR
54
MOD
56
15
RPWR
65
LOAD LO
5
2
10
6
M
M103
(LOADING)
LOADING MOTOR DRIVE
IC18
4
REFERENCE
VOLTAGE
SWITCH
Q7, 8
RESET
SWITCH
Q2
+3.3V
66
LOAD OUT
67
LOAD IN
IN1
OUT1
OUT2
IN2
VZ
44
PROTECT
61
REFELECT
53
RECSW
51
PLAYSW
49
OUTSW
55
LIMITIN
S101
(LIMIT IN)
S103
(OUT)
S104
(PLAY)
S105
(REC)
S102
(REFRECT/PROTECT)
60
SDA
45
SCL
47
EEP-WP
IC195
EEPROM
5
6
7
30
IIC DATA
29
IIC CLK
A00
A10
3
24
25
2
.
43
45
44
42
.
D0
D3
DQ2,
DQ3,
DQ4,
DQ1
A0
A10
OE
WE
RAS
CAS
22
4
5
23
.
.
.
.
9
12
15
.
19
21
.
8
.
54
56
60
.
59
55
.
.
.
52
.
53
.
51
.
49
.
48
.
50
.
24
DIN0
25
DIN
CLKA
XIN
XOUT
5
VCO
IC803
8
28
OSC
XIN
15
XOUT
13
X804
X2
10MHz
1
36
FS256
11.2896MHz
LASER ON
SWITCH
Q201
HF MODULE
SWITCH
Q701 – 704
LD DRIVE
Q202, 203
•
SIGNAL PATH
: MD PLAY
•
R-ch is omitted due to same as L-ch.
: MD REC
: CD PLAY (DIGITAL OUT)
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC401
M102
(SLED)
M
M
M101
(SPINDLE)
M
M
IC701
COMPARATOR
XIN-T
10
XOUT-T
11
X3
32.768kHz
CODEC DOUT
E
(Page 48)
D OUT TO MD
B
(Page 46)
MD DOUT
F
(Page 48)
OUT SW
D
(Page 46)
IIC DATA, IIC CLK,
LEVEL L, LEVEL R,
P DOWN, SRST, MD RESET
G
(Page 48)
MD
RESET
IIC DATA
IIC CLK
3
LEVELL
4
LEVELR
LEVEL L
LEVEL R
19
PDOWN
12
SRST
P DOWN
SRST