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HCD-LX7/LX8
6-2. BLOCK DIAGRAMS
– BD (CD) SECTION –
OPTICAL PICK-UP BLOCK
(KSS-213B/K-N)
DETECTOR
E
VCC
VC
A
A
5
C
C
A
C
7
D
D
B
D
8
B
B
6
F
E
E
11
F
F
10
LD
LD
DRIVE
3
Q101
PD
4
FD
LASER
DIODE
VREF
PD
LD
IC102
POWER
FOCUS/TRACKING COIL DRIVE
SPINDLE/SLED MOTOR DRIVE
T+
CH2OUTR
11
TRACKING
COIL
T–
12
CH2OUTF
F+
CH1OUTF
14
FOCUS
COIL
F–
13
CH1OUTR
SD+
CH3OUTF
M102
17
SLED
M
SD–
MOTOR
18
CH3OUTR
SP+
15
CH4OUTF
M101
SPINDLE
M
SP–
MOTOR
16
CH4OUTR
• SIGNAL PATH
: CD
: Digital out
09
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IC103
RF AMP
RF
RF EQ
RF
SUMMING
16
51
AMP
AMP
FOCUS
FF
INTEG-
ERROR
14
49
RATOR
AMP
48
TRACKING
TE
ERROR
13
AMP
VC
12
BUFFER
VC
APCLD/PD
LDON
22
AMP
VC
38
42
43
39
REF
41
HOLD SW
21
15
INTEG-
40
RATOR
42
TFDR
CH2FIN
5
TRDR
CH2RIN
6
30
31
FFDR
CH1FIN
2
FRDR
CH1RIN
3
32
33
SRDR
CH3RIN
23
29
SFDR
CH3FIN
24
28
CH4SIN
25
26
VC
CH4BIN
27
MUTE
20
IC101
DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
16K
RAM
RF AC
EFM
DEMODULATION
ASY1
ASYMMETRY
DIGITAL
CORRECTION
PLL
ASY0
OVER SAMPLING
DIGITAL FILTER
VC
CE
RFDC
NOISE SHAPER
FE
OPERATIONAL
A/D
AMPLIFIER
TE
CONVERTER
ANALOG
PWM
SWITCH
SE
CE
PWM
GENERATOR
SERVO DSP
TFDR
TRACKING
TRACKING
PWM
TRDR
SERVO
GENERATOR
FFDR
FOCUS
FOCUS
FRDR
PWM
SERVO
GENERATOR
SRDR
SLED
SLED
PWM
SFDR
SERVO
GENERATOR
MDP
DIGITAL
CLV
18
18
XTA1
TIMING
LOGIC
ERROR
STAO
CORRECTOR
D/A
DIGITAL
D OUT
INTERFACE
OUT
XRST
SQSO
SUBCODE
SQCK
PROCESSOR
SENS
CPU
INTERFACE
DATA
SERVO
XLAT
AUTO
SEQUENCER
SERIAL IN
CLOK
INTERFACE
SCOR
XLON
3rd ORDER
SCLK
SERVO
SSTP
INTERFACE
PWM
RMUT
LMUT
LMUT
AIN1
LOUT1
LOUT2
AIN2
LOUT2
DISC
SENSOR
IC202
S201
IC201
(UP SWITCH)
MOTOR DRIVER
3
OUT 2
M201
TABLE
M
MOTOR
7
OUT 1
LED SW
+5V
Q201
D201
(DISC No.)
66
X101
16.9344MHz
67
60
DOUT
3
XRST
1
SQSO
2
8
SENS
DATA
5
6
XLT
7
CLOK
20
SCOR
14
9
SQCK
+5V
27
S101
LIMIT SW
79
80
A
70
71
MAIN
SECTION
72
L OUT
(Page 20, 21)
77
HOLD
76
75
R-CH
TRAY SENS
UP SW
IN 2
1
TBL-R
IN 1
9
TBL-L
LED
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