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HCD-SD1
– 17 –
– 18 –
7-2. BLOCK DIAGRAMS
– BD SECTION –
25
SLED MOTOR
DRIVE
26
•
27
16
M
SLO
M102
SLED MOTOR
4
SPINDLE MOTOR
DRIVE
1
•
2
M
M101
SPINDLE
MOTOR
SLED/SPINDLE
MOTOR DRIVE
IC102 (2/2)
14
SL+
SLED
SERVO
IC101 (2/2)
19
TRACKING
COIL DRIVE
18
17
T+
T–
9
FOCUS
COIL DRIVE
12
11
F–
F+
2-AXIS
DEVICE
TRACKING
COIL
FOCUS
COIL
TRACKING/FOCUS
COIL DRIVE
IC102 (1/2)
7
XRST
22
XRST
TRACKING/FOCUS SERVO,
RF AMP
IC101 (1/2)
PD1
PD2
35
36
4
2
1
5
10
6
F
E
38
39
E
A
B C
D
F
B+
K
A
D
C
B
DETECTOR
OPTICAL PICK-UP
(KSS-213B)
FEI
2
FEO
1
RV102
FOCUS
GAIN
TEO
42
TEI
44
RV103
TRACKING
GAIN
LD
33
PHD
34
LD DRIVE
Q101, 102
PD LD
LASER
DIODE
31
RFO
30
RFI
RF
14
23
C.OUT
CNIN
55
24
SENS
SEIN
54
FE BIAS
37
RV101
FOCUS
BIAS
+5V
6
FE-O
7
FE-M
12
TA-M
13
TAO
21
DATA
20
XLT
19
CLK
4
FGD
25
FOK
FOCUS SW
Q103
DATAO
56
XLTO
57
CLKO
59
MDP
3
FOK
1
XLON
64
09
PCMD
LRCK
DATA
2
LRCK
1
21
20
BCLK
BCLK
322
LOUT
16
ROUT
13
A
MAIN
SECTION
(Page 19)
(Page 19)
(Page 19)
DIGITAL FILTER
D/A CONVERTER
IC104
DATA
51
XLAT
52
CLOK
53
SCOR
43
SQSO
46
SQCK
47
SENS
49
XRST
50
D OUT
39
DATA
26
MLAT
28
CLOK
27
A
MAIN
SECTION
D OUT
CD LOUT
CLK
DATA
XRST
SCOR
SENS
SQCK
SQSO
DF LAT
XLAT
FOCUS SW
5
DRIVE
6
M
M904 (CD)
LOADING
MOTOR
MOTOR
DRIVER
IC351
2
10
DRIVE
LOAD-OUT
LOAD-IN
OUT-SW
IN-SW
S292
(LOAD IN)
S291
(LOAD OUT)
A
MAIN
SECTION
DIGITAL SIGNAL PROCESSOR
IC103
XTAI
34
CKO
4
XTI
•
XTO
5 • 6
X101
22.5792 MHz
SPOD
63
S101
(LIMIT)
• SIGNAL PATH
: CD
: Digital out