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SLV-7700KME/7700KML
4-8. VIDEO CD BLOCK DIAGRAM (1/2)
BD-21 BOARD
OPTICAL PICK-UP BLOCK
(KSS-213B/K-N)
CN102
1
VC
DETECTOR
VCC
2
E
A
A
A
5
3
C
C
C
A
C
7
5
D
D
D
B
D
4
6
B
B
B
6
4
F
E
E
E
3
9
F
F
F
8
8
Q101
LD
LD
LD
1
10
DRIVE
LD
LASER
DIODE
PD
PD
PD
12
2
LD
LD
POWER
FOCUS/TRACKING COIL DRIVE
SPINDLE/SLED MOTOR DRIVE
T+
14
1
TRACKING
COIL
T-
15
2
F+
13
16
FOCUS
COIL
F-
16
17
SD+
13
M102
M
SLED
SD-
MOTOR
12
SP+
27
M101
SPINDLE
M
SP-
MOTOR
26
16
IC101 #§ PB
IC103
RF AMP
1.3Vp-p
RF
RF
RF EQ
SUMMING
16
AMP
AMP
FE
FOCUS
ERROR
15
AMP
TE
TRACKING
ERROR
13
AMP
11
IC101 @ª PB
10
VC
12
BUFFER
VC
APC LD
LD ON
19
AMP
INTEG-
IC102
RATOR
IC101 @¶ PB
TFDR
4
TRDR
5
500mVp-p
FFDR
IC101 (§ PB
19
FRDR
20
2.6Vp-p (7.5µsec)
SRDR
10
SFDR
9
24
23
MUTE
15
4-15
IC101
DIGITAL SERVO
DIGITAL SIGNAL PRCESSOR
ADDRESS
GENERATOR
RF AC
EFM
MIX
36
DEMODULATOR
ASYMMETRY
DIGITAL
CORRECTION
PLL
INTEG-
ASYI
38
RATOR
ASYO
39
18-TIMES
NOISE
OVERSAMPLING
SHAPER
FILTER
2.5V
200mVp-p
VC
30
RFDC
26
FE
29
A/D
TE
27
CONVERTER
SE
28
2.5V
PWM
GENERATOR
SERVO DSP
TFDR
TRACKING
4
TRACKING
TRDR
PWM
SERVO
6
GENERATOR
FFDR
FOCUS
8
FOCUS
PWM
FRDR
SERVO
10
GENERATOR
SRDR
SLED
2
SLED
SFDR
PWM
SERVO
100
GENERATOR
MDP
96
DIGITAL
OUT
32K
ERROR
RAM
CORRECTOR
SERIAL/
D/A DATA
REGISTER
PARALLEL
PROCESSOR
PROCESSOR
PEAK
DETECTOR
SUBCODE Q
PROCESSOR
SYNC
TIMING
PROTECTOR
GENERATOR 1
CLV SERVO
TIMING
PROCESSOR
GENERATOR 2
CLOCK
GENERATOR
FOK
SERVO
CPU
MIRR
AUTO
INTERFASCE
DETECTOR
SEUENCER
DFCT
SERVO
INTERFASCE
SERVO
CONTROL SIGNAL
BLOCK
BLOCK
4-16
+6V
MD2
70
D OUT
71
CN101
DATA
A DATA
46
16
BCLK
BCLK
47
15
LCLK
17
LCLK
45
C2PO
56
27
C2PO
SUBQ
SUBQ
77
2
SQCK
SQCK
78
10
MUTE
A MUTE
79
11
SCOR
SCOR
74
14
83
1
SCLK
XTAL
384 BD
62
20
TO/FROM
VIDEO CD
BLOCK(2/2)
SENS
SENS
80
3
CD-169 BOARD
CN303
(SEE PAGE 4-17)
DATA
DATA
86
12
XLT
XLT
4
87
CLK
CLK
88
13
S101
LIMIT
S STOP
99
XRST
XRST
81
9
LD ON
5
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