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HCD-LX7/LX8
18
18
6-2. BLOCK DIAGRAMS
– BD (CD) SECTION –
E
F
A
B
C
D
A
C
RF
FF
TE
D
B
E
F
LD
PD
VCC
VC
RF
SUMMING
AMP
FOCUS
ERROR
AMP
TRACKING
ERROR
AMP
LD
DRIVE
Q101
VC
BUFFER
INTEG-
RATOR
RF EQ
AMP
INTEG-
RATOR
DIGITAL
PLL
IC101
DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
SUBCODE
PROCESSOR
SERIAL IN
INTERFACE
SERVO
AUTO
SEQUENCER
SERVO
INTERFACE
OVER SAMPLING
DIGITAL FILTER
D/A
INTERFACE
DIGITAL
OUT
TIMING
LOGIC
ERROR
CORRECTOR
EFM
DEMODULATION
APCLD/PD
AMP
5
7
8
6
16
14
49
51
13
LDON
VC
22
15
21
12
11
10
3
IC103
RF AMP
VC
4
VREF
HOLD SW
REF
IC102
FOCUS/TRACKING COIL DRIVE
SPINDLE/SLED MOTOR DRIVE
11
12
T+
T–
14
13
F+
F–
TRACKING
COIL
FOCUS
COIL
CH2OUTR
CH2OUTF
5
CH2FIN
6
CH2RIN
2
CH1FIN
3
CH1RIN
23
CH3RIN
24
CH3FIN
25
CH4SIN
27
CH4BIN
20
MUTE
CH1OUTF
CH1OUTR
17
18
SD+
SD–
CH3OUTF
CH3OUTR
M
15
16
SP+
SP–
CH4OUTF
CH4OUTR
M
M102
SLED
MOTOR
M101
SPINDLE
MOTOR
TFDR
TRDR
FFDR
FRDR
SRDR
SFDR
VC
FD
PD
LASER
DIODE
A
C
D
B
E
F
DETECTOR
OPTICAL PICK-UP BLOCK
(KSS-213B/K-N)
LD
POWER
RF AC
ASY1
48
38
42
43
39
41
40
28
26
29
ASY0
ASYMMETRY
CORRECTION
SFDR
MDP
SRDR
33
32
FRDR
FFDR
31
30
42
TRDR
TFDR
SE
CE
TE
FE
RFDC
CE
VC
SLED
PWM
GENERATOR
FOCUS
PWM
GENERATOR
TRACKING
PWM
GENERATOR
PWM
GENERATOR
SLED
SERVO
FOCUS
SERVO
TRACKING
SERVO
SERVO DSP
DIGITAL
CLV
OPERATIONAL
AMPLIFIER
ANALOG
SWITCH
A/D
CONVERTER
16K
RAM
DATA BUS
3rd ORDER
NOISE SHAPER
PWM
PWM
CPU
INTERFACE
2
1
3
SQSO
60
D OUT
67
STAO
66
XTA1
8
SENS
20
SCOR
14
XLON
XRST
SQCK
5
DATA
6
XLAT
7
CLOK
9
SCLK
27
SSTP
79
RMUT
80
LMUT
70
LMUT
71
AIN1
72
LOUT1
77
LOUT2
76
AIN2
75
LOUT2
TBL-R
UP SW
TRAY SENS
L OUT
R-CH
TBL-L
HOLD
+5V
SQCK
SCOR
CLOK
XLT
DATA
SENS
SQSO
XRST
DOUT
X101
16.9344MHz
A
MAIN
SECTION
09
S101
LIMIT SW
• SIGNAL PATH
: CD
: Digital out
DISC
SENSOR
IC202
IC201
MOTOR DRIVER
3
7
OUT 2
OUT 1
1
IN 2
9
IN 1
M
+5V
M201
TABLE
MOTOR
LED
D201
(DISC No.)
LED SW
Q201
S201
(UP SWITCH)
(Page 20, 21)
Summary of Contents for HCD-LX7
Page 31: ...HCD LX7 LX8 31 31 6 8 SCHEMATIC DIAGRAM MAIN 3 3 SECTION See page 28 for Printed Wiring Board ...
Page 32: ...HCD LX7 LX8 32 32 6 9 SCHEMATIC DIAGRAM DECK SECTION Page 30 ...
Page 34: ...HCD LX7 LX8 34 34 6 11 SCHEMATIC DIAGRAM POWER SECTION ...
Page 38: ...HCD LX7 LX8 38 38 6 15 SCHEMATIC DIAGRAM PANEL VR SECTION See page 50 for IC Block Diagrams ...
Page 40: ...HCD LX7 LX8 40 40 6 17 SCHEMATIC DIAGRAM TC PANEL SECTION ...
Page 42: ...HCD LX7 LX8 42 42 6 19 SCHEMATIC DIAGRAM CD PANEL SECTION ...
Page 44: ...HCD LX7 LX8 44 44 6 21 SCHEMATIC DIAGRAM CD MOTOR SECTION Page 30 ...
Page 46: ...HCD LX7 LX8 46 46 6 23 SCHEMATIC DIAGRAM TRANS SECTION LX7 model ...
Page 48: ...HCD LX7 LX8 48 48 6 25 SCHEMATIC DIAGRAM TRANS SECTION LX8 model ...