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HCD-M70
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – CD SERVO Section –
OPTICAL
PICK-UP BLOCK
(KSS-213DCP)
FOCUS/TRACKING ERROR AMP
DETECTOR
VCC
7
D+5V
A
4
5
B
2
6
C
1
7
D
5
8
F
10
10
FI-V AMP
E
6
11
EI-V AMP
LASER DIODE
AUTOMATIC
LD
LD
POWER
3
CONTROL
Q101
PD
LD
PD
SPINDLE/SLED MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
2-AXIS DEVICE
CH2OUTF
12
CH2OUTR
11
(TRACKING)
(FOCUS)
CH1OUTF
14
CH1OUTR
13
CH3OUTF
17
M102
M M
CH3OUTR
18
(SLED)
CH4OUTF
15
M101
M M
CH4OUTR
16
(SPINDLE)
RF AMP
IC103
RF
RFAC
RF EQ
RFO
ASYMMETRY
SUMMING
16
51
AMP
CORRECTION
AMP
ASYI
49
ASYO
48
FOCUS
FE
14
ERROR AMP
TRACKING
TE
13
ERROR AMP
LD ON
APC LD
22
AMP
HOLD SW
APC PD
21
AMP
4
40
41 39 43
A/D
CONVERTER
IC102
CH2 FIN
TRDR
5
31
MOTOR
COIL
CH2RIN
TFDR
DRIVE
DRIVE
6
30
CH1FIN
FRDR
2
33
COIL
CH1RIN
FFDR
DRIVE
3
32
CH3FIN
SFDR
24
28
MOTOR
CH3RIN
SRDR
DRIVE
23
29
CH4SIN
MOTOR
25
DRIVE
MUTE
MUTE
20
FILTER
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
54 56 53 55
ERROR
CORRECTOR
16k
RAM
D/A
SERIAL
INTERFACE
DIGITAL
EFM
PLL
DEMODULATOR
INTERFACE
SUBCODE
SERVO AUTO
SERVO
PROCESSOR
SEQUENCER
INTERFACE
TO
CPU INTERFACE
MIRR/DFCT/FOK DETECTOR
IC101 (2/2)
14
1
8
20
6
7
5
2
9
27
S101
(LIMIT)
TO
SERVO
INTERFACE
IC101 (1/2)
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
24
23 22
14
14
D OUT
DIGITAL
60
OUT
AIN1
AOUT1
DIGITAL
PWM
70
51
71
IN
FILTER
&
BUFFER
AIN2
AOUT2
77
76
51
NOISE SHAPER
INTEGRATOR
CLOCK
GENERATOR
DIGITAL
CLV
TIMING
LOGIC
26
3
66
67
X101
16.9344MHz
Q800
Q801
Q800, 801
CD ON SWITCH
R-CH : R-ch is omitted due to same as L-ch.
SIGNAL PATH
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL OUT)
OPTICAL
OPTICAL
TRANSCEIVER
DIGITAL OUT (CD)
IC321
LOUT1
CD-L
A
72
(Page 16)
LOUT2
75
R-CH
CLK, SQSO
CLK
B
(Page 15)
SQSO
10
CD-DATA
11
C-SQCK
C-LATCH
19
18 C-SENSE
SYSTEM CONTROLLER
IC801 (1/3)
100 C-SCOR
86 C-RST
13 HOLD
CD-ON
C
(Page 16)
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