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Q Q
3 7 6 3 1 5 1 5 0
7-1.
BLOCK DIAGRAM – CD SERVO Section –
DETECTOR
CD +5V
A
A
6
B
SUMMING
B
AMP
7
C
8
D
9
F
F
11
F I-V AMP
E
E
10
E I-V AMP
OPTICAL PICK-UP
BLOCK
(A-MAX. 3)
LASER DIODE
AUTOMATIC
LD
APC LD
POWER
1
CONTROL
Q101
PD
LD
T E
L
1 3 9 4 2 2 9 6 5 1 3
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
VO4+
5
IN4R
M101
MOTOR
M
VO4–
(SPINDLE)
DRIVE
10
VO3+
IN3+
1
MOTOR
M102
M
VO3–
IN3–
DRIVE
(SLED)
2
2-AXIS
DEVICE
VO2+
IN2+
55
COIL
VO2–
IN2–
DRIVE
56
VO1+
IN1+
47
COIL
VO1–
IN1–
DRIVE
52
STBY
8
w w w
LIMIT
SWITCH
.
SECTION 7
DIAGRAMS
DIGITAL SIGNAL PROCESSOR
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
AC
EQ
RF
SUM
IN
RFAC
RFAC
4
3
EQ
15
VCA
FE
FOCUS
16
ERROR AMP
FEI
17
RFDCO
RF DC
28
AMP
RFDCI
29
TE
TRACKING
18
ERROR AMP
SW
12
PD
2
AMP
24
40 41 39 43
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
27
A/D
CONVERTER
26
SFDR
FOCUS/
29
TRACKING/SLED
SRDR
30
SERVO DSP
TFDR
32
31
TRDR
31
32
FFDR
33
FRDR
34
35
34
TO CPU INTERFACE
26
x
a o
y
i
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8
FILTER
IC101 (1/2)
53 55
52 54
12
RFAC
ASYMMETRY
EFM
50
DIGITAL PLL
CORRECTOR
DEMODULATOR
ASYI
49
ASYO
48
TO SERVO AUTO
SUBCODE
SEQUENCER
PROCESSOR
DIGITAL
CLV
CPU INTERFACE
PROCESSOR
25
4 6 5
7
15
79 80
76 77
10 11 13 68
95 5 97
1
18
84 83
82
LD ON
VIDEO CD CONTROLLER
Q
Q
28
PWM1
IC502 (1/2)
3
7
6
3
26
PWM2
24
PWM3
2
C-XRST
T-SENS1
T-SENS2
T-SENS3
LOAD IN SW 6
LOAD OUT SW 7
FOK
22
MIRR,
MIRR
DFCT, FOK
20
SYSTEM CONTROLLER
DFCT
DETECTOR
IC801 (1/5)
21
D-SENS 92
COUT
19
SERVO
SCLK
INTERFACE
8
LOAD NEG 3
LOAD POS 2
SERVO AUTO
SEQUENCER
TABLE POS 5
TABLE NEG
u 1 6 3
.
21
21
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2
4
9
9
8
16
69
XTSL
XTAO
72
CLOCK
OSC
XTAI
GENERATOR
71
BUFFER
IC106
PCMD
DATA
66
BCK
BCK
67
D/A
LRCK
LRCK
32K
DIGITAL
65
C2PO
C2PO
RAM
INTERFACE
14
WDCK
17
ERROR
CORRECTOR
DOUT
DIGITAL
64
OUT
MD2
63
CD +3.3V
XRST
2
3
10
CTRL1
11
77
DEVICE RESET
1
5
1
5
0
8
9
2
4
12
83
93
TABLE
18
SENSOR
IC11 – 13
91
S842
LOAD IN
(LOAD)
LOAD OUT
DISC IN
DETECT SENSOR
LOADING/TABLE
D841, Q841
MOTOR DRIVE
IC881
FN1
OUT1 +
LOADING
2
8
MOTOR
M
MOTOR CONTROL
RN1
OUT1 –
3
DRIVE
9
Q881 – 884
FIN2
OUT2 +
TABLE
17
11
MOTOR
M
MOTOR CONTROL
RIN2
OUT2 –
100
16
DRIVE
10
Q885 – 888
m
c o
HCD-VM330AV
2
9
9
MCLK
33.8MHz
A
(Page 22)
DATA, BCK,
LRCK, C2PO
B
(Page 22)
OPTICAL
OPTICAL
TRANSCEIVER
OUT (CD)
IC361
9
8
2
9
9
M51
(LOADING)
• SIGNAL PATH
M52
(TABLE)
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)
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