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HCD-XGR88
22
22
6-2. BLOCK DIAGRAMS
– CD SERVO SECTION –
SQSO
SQCK
A/D
CONVERTER
CH1OUTF
CH1OUTR
6
7
8
9
15
16
18
11
10
12
2
1
51
49
48
43
24
41
40
39
64 15
28
29
30
31
32
33
24
25
23
5
6
2
3
17
18
15
16
E
B
C
D
A
PD1
PD2
I1-6
I5-10
LD
PWM3
PWM1
PWM2
PD
CD D+5V
F
A
B
C
D
RF
SUMMING
AMP
∑
A-D
FOCUS
ERROR AMP
RF EQ
AMP
DC
AMP
TRACKING
ERROR AMP
RFAC
RFDCO
RFDCI
FE
FEI
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
TE
E
F
F I-V AMP
E I-V AMP
LD
DRIVE
Q101
APC LD
AMP
APC PD
AMP
BUFFER
Q451-454
LD
LD
PD
LASER DIODE
RFAC
ASYO
ASYI
ASYMMETRY
CORRECTION
DIGITAL
PLL
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
DATA
XLAT
CLOK
CD-DATA
X-LAT
CD-CLK
14
5 6
MDP
26
7
8
XLON
3
XRST
DIGITAL
CLV
D/A
INTERFACE
SE
TE
FE
RFDC
FOCUS/TRACKING/SLED
SERVO DSP
FOCUS/TRACKING/SLED
PWM GENERATOR
SFDR
CH3FIN
CH4SIN
CH3RIN
CH3OUTF
CH3OUTR
CH2FIN
T+
T-
F+
F-
CH2RIN
CH1FIN
CH1RIN
20
MUTE
SRDR
TFDR
TRDR
FFDR
FRDR
S101
(LIMIT)
EMPH
WFCK
GFS
MIRR/DFCT/
FOK
DETECTOR
SERVO AUTO
SEQUENCER
SERVO
INTERFACE
CPU INTERFACE
18
63
62
61
19
SENS
20
35
40
36
37
34
19
SCOR
SQ-DATA
SQ-CLK
CD-DATA
XLT
CD-CLK
CD-DATA
X-LAT
CD-CLK
SENS
SCOR
1 2
32
33
SCLK
COUT
9 21
SSTP
27
FOK
22
23
MIRR
DFCT
TO SERVO INTERFACE
CH4OUTF
CH4OUTR
M101
SPINDLE
MOTOR
MOTOR
DRIVE
MOTOR
DRIVE
COIL
DRIVE
CH2OUTF
CH2OUTR
COIL
DRIVE
M
M
M102
SLED
MOTOR
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
TRACKING
COIL
FOCUS
COIL
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
OPTICAL PICK-UP BLOCK
(A-MAX.3)
SW
PD
I-V AMP
12
11
13
14
54
56 53
55
FILTER
FILO
PCO
CLTV
FILI
EFM
DEMODULATOR
SERIAL
IN
INTERFACE
DIGITAL
FILTER,
NOISE SHAPER
PWM
&
INTEGRATOR
BUFFER
CLOCK
GENERATOR
OPTICAL
TRANSCEIVER
IC451
CD DIGITALOUT
OPTICAL
Q809,810
LEVEL SHIFT
TIMING
LOGIC
MUTE
Q401
DIGITAL
OUT
INTERNAL BUS
16K
RAM
ERROR
CORRECTOR
SUBCODE
PROCESSOR
60
HOLD
26
28 BU-PWM1
BU-PWM2
BU-PWM3
PWM1
PWM2
PWM3
24
43
XRST
XTAI
X101
16.9344MHz
AIN1
AIN2
R-CH
CD-L
AOUT1
AOUT2
TO MIRR/DFCT/
FOK DETECTOR
PCMD
BCK
LRCK
C2PO
DOUT
66
XTAO
67
70
77
LOUT1
LOUT2
72
75
71
76
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (1/4)
When the optical pick-up
is inner position.
ON :
(Page 24)
A
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
MTR-CTRL1
MTR-CTR2
M
TABLE MOTOR DRIVER
IC201
OUT2
OUT1
IN2
IN1
M201
(TABLE)
DISC TABLE
SENSOR
IC202
BU UP/DW SW
S201
(UP SWITCH)
TBL-SENS
MOTOR
DRIVE
49
CD-MUTE 5
48
45
44
LED-DISK 47
1
9
3
7
LED DRIVE
Q201
D201
(DISC No.)
28
29
NC
NC
NC
NC
NC
NC
NC NC NC
17
NC
NC
NC
Q412
Q411
Summary of Contents for HCD-XGR88
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