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3 7 63 1515 0
7-34. IC BLOCK DIAGRAMS
• BD section
IC101 CXD2545Q
67 62 63 64
C4M
68
CLOCK
GENERATOR
C16M
69
PDO
18
DIGITAL
VCO1
13
PLL
VCO0
12
(
VARI-PITCH
PCO
33
DOUBLE SPEED
FILI
32
FILO
31
CLTV
34
RFAC
36
ASYMMETRY
ASYI
38
CORRECTION
ASYO
39
ASYE
42
WFCK
73
SCOR
74
EXCK
76
SBSO
75
EMPH
72
SQCK
78
SQSO
77
MON
95
FSW
94
MDP
96
MDS
97
NOISE
SHAPER
RFDC
26
TE
L 13942296513
TE
27
SWITCH
SE
28
&
CONVERTER
BUFFER
FE
29
VC
30
25
24
14
16
IC102 BA6392FP
BUFF
CH1 OUT F
1
BUFF
CH1 OUT R
2
CAPA IN 1
3
R
CH1 R IN
4
INTERFACE
F
CH1 F IN
5
VREF IN
6
VREF OUT
7
GND
8
F
CH2 F IN
9
INTERFACE
R
CH2 R IN
10
www
CAPA IN 2
11
BUFF
CH2 OUT R
12
.
BUFF
CH2 OUT F
13
GND
14
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20 19
EFM
)
DEMODULATOR
SYNC
PROTECTOR
MUX
TIMING
GENERATOR 1
ERROR CORRECTOR
SUBCODE
P-W
PROCESSOR
SUBCODE
Q
PROCESSOR
CLV
PROCESSOR
TIMING
GENERATOR 2
18-TIMES
OVERSAMPLING
SERVO
FILTER
MICRO PROGRAM
INTERFACE
MIRR
DFCT
FOK DETECTOR
SERVO DSP
A/D
SLED SERVO
TRACKING
SERVO
FOCUS SERVO
17
21 40 23 35
41 90 15 65
F
LEVEL
R
SHIFT
BUFF
INTERFACE
R
F
x
ao
y
F
R
i
MUTE
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8
32K RAM
ADDRESS
PRIORITY
SERIAL
GENERATOR
ENCODER
PARALLEL
PROCESSOR
D/A
DATA PROCESSOR
PEAK DETECTOR
DIGITAL OUT
CPU INTERFACE
SERVO
AUTO
SEQUENCER
Q Q
PWM GENERATOR
3
6 7
1 3
SLED PWM
GENERATOR
TRACKING PWM
GENERATOR
FOCUS PWM
GENERATOR
81
22 37 44 45 66 82 83 84 85 98 99
IC103 CXA1821M
LD
1
28 GND
BUFF
PD
2
27 CH4 OUT F
26 CH4 OUT R
A
3
BUFF
25 VB IN
B
4
24 VS IN
C
5
23 VB IN
D
6
22 VCC
VEE
7
21 VCC
F
F
8
20 CH3 F IN
R
19 CH3 R IN
E
9
18 CAPA IN 3
EI
10
u163
BUFF
17 CH3 OUT R
.
BUFF
16 CH3 OUT F
15 MUTE
– 89 –
2 9
9 4
2 8
43 PSSL
16
61-46
DA01-16
79 MUTE
71 D OUT
70 MD2
86 DATA
88 CLOK
87 XLAT
80 SENS
89 COUT
91 MIRR
92 DFCT
93 FOK
1 5
0 5
8
2 9
9 4
2
3, 100
SFON, SFDR
2
1, 2
SRON, SRDR
2
4, 7
TFDR, TFON
2
5, 6
TRON, TRDR
2
8, 11
FFDR, FFON
2
9, 10
FRON, FRDR
VCC
APC LD AMP
VREF
VEE
VEE
VC
RF SUMMING AMP
FOCUS ERROR AMP
VEE
TRACKING ERROR AMP
VC
VC
VC
VC
m
VC
VCC
VEE
co
9 9
2 8
9 9
VCC
20
VCC
19
LD ON
18
LC/PD
RF EQ AMP
17
RFE
VC
16
RFO
15
FE
14
FE BIAS
13
TE
VC
12
VC
VC BUFFER
11
EO
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