Sony HCD-M70 - Diagrams; CD Servo Block Diagram

HCD-M70
1414
I-V AMP
DETECTOR
(TRACKING)
(FOCUS)
2-AXIS DEVICE
LASER DIODE
A
B
C
D
F
E
6
7
8
10
11
4
2
1
5
10
6
7 D+5V
LDPD
VCC
LD
PD
AUTOMATIC
POWER
CONTROL
Q101
5
RF
SUMMING
AMP
RF EQ
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
FI-V AMP
EI-V AMP
APC LD
AMP
APC PD
AMP
4
PD
16
14
13
22
21
RFO
FE
TE
LD ON
HOLD SW
LD
3
ASYMMETRY
CORRECTION
EFM
DEMODULATOR
DIGITAL
PLL
51
49
48
RFAC
ASYI
ASYO
54 56 53 55
FILO
PCO
CLTV
FILI
ERROR
CORRECTOR
16k
RAM
INTERNAL BUS
D/A
INTERFACE
SERIAL
IN
INTERFACE
DIGITAL
FILTER
NOISE SHAPER
PWM
&
INTEGRATOR
DIGITAL
OUT
SIGNAL PATH
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL OUT)
60
70
77
D OUT
AOUT1
AOUT2
AIN1
AIN2
51
51
71
76
72
75
LOUT1
LOUT2
BUFFER
CD-L
R-CH
SUBCODE
PROCESSOR
SERVO AUTO
SEQUENCER
CPU INTERFACE
2576208114
SQCK DATA CLOK XLAT SCOR SENS SQSO XLON
TO
MIRR/DFCT/FOK DETECTOR
IC101 (2/2)
9 27
SCLK SSTP
26
MDP
S101
(LIMIT)
TE
FE
RFDC
SE
41 39 4340
A/D
CONVERTER
FOCUS/TRACKING/SLED
PWM GENERATOR
FOCUS/TRACKING/SLED
SERVO DSP
MIRR/DFCT/FOK
DETECTOR
23 2224
DFCT MIRR FOK
TO
SERVO
INTERFACE
IC101 (1/2)
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
14
13
12
11
17
18
15
16
CH1OUTF
CH1OUTR
CH2OUTF
CH2OUTR
CH3OUTF
CH3OUTR
CH4OUTF
CH4OUTR
CH1FIN
CH1RIN
CH2 FIN
CH2RIN
CH3FIN
CH3RIN
2
3
5
6
24
23
MOTOR
DRIVE
MOTOR
DRIVE
COIL
DRIVE
MOTOR
DRIVE
COIL
DRIVE
SPINDLE/SLED MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
IC102
MM
M102
(SLED)
M101
(SPINDLE)
CH4SIN
25
33
32
31
30
28
29
FRDR
FFDR
SFDR
SRDR
TRDR
TFDR
MUTE
20
MUTE
Q801
Q800
SERVO
INTERFACE
DIGITAL
CLV
3
XRST
6766
XTAL XTAO
X101
16.9344MHz
TIMING
LOGIC
CLOCK
GENERATOR
OPTICAL
TRANSCEIVER
IC321
OPTICAL
DIGITAL OUT (CD)
CLK, SQSO
CLK
SQSO
A
(Page 16)
B
(Page 15)
CD-ON
C
(Page 16)
RF AMP
FOCUS/TRACKING ERROR AMP
IC103
FILTER
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
OPTICAL
PICK-UP BLOCK
(KSS-213DCP)
MM
Q800, 801
CD ON SWITCH
R-CH : R-ch is omitted due to same as L-ch.
19
11
10
C-LATCH
18
C-SENSE
100
C-SCOR
86
C-RST
C-SQCK
CD-DATA
13
HOLD
SYSTEM CONTROLLER
IC801 (1/3)
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM – CD SERVO Section –