CDX-454RF/454XRF
21
21
SECTION 7
DIAGRAMS
7-1.
BLOCK DIAGRAM – SERVO Section –
M
M
6
7
VO4+
VO4–
VIN4+
VIN4–
10
11
VO2+
VO2–
MOTOR
DRIVE
MOTOR
DRIVE
COIL
DRIVE
12
13
VO1+
VO1–
VIN2+
VIN2–
42
43
FFDR
FRDR
38
39
31
32
22
21
5
4
VL0+
VL0–
FWD
REV
1
2
SFDR
SRDR
A
B
C
D
E
F
I-V AMP
PD
LD
DETECTOR
5
6
7
8
11
10
E I-V AMP
F I-V AMP
E
D
C
B
A
F
3
LD
RF
SUMMING
AMP
FOCUS
ERROR
AMP
RF EQ
AMP
16
RFO
14
FE
13
4
TE
TRACKING
ERROR
AMP
AUTOMATIC
POWER
CONTROL
Q101
APC LD
AMP
PD
AGC
22
21
20
LDON
HOLD SW
AGCCONT
APC PD
AMP
LDON
HOLD
AGC
RFDC
FE
TE
54 50 52 51
RFDC
FE
TE
61
60
59
ASYMMENTRY
CORRECTOR
RFAC
ASYI
ASYO
DIGITAL
PLL
EFM
DE-
MODULATOR
D/A
INTER-
FACE
63 66 65
64
FILO
CLTV
PCO
FILI
83
EMPH
FILTER
INTERNAL BUS
77
81
79
78
82
80
PCMD
LRCK
BCK
32k RAM
ERROR
CORRECTOR
54
55
56
LDON
HOLD
AGC
LDON
AGCHOLD
RF AGC
91 GFS
22
GFS
6
CDDATA
13
DATA
7
CDCLK
15
CLOK
5
CDXLT
77 SQSO
79 SQCK
82 SCOR
92 SCLK
90 FOK
XRST
14
XLAT
93 SENS
16
SENS
6
SQSO
7
SQCK
24
SCOR
17
SCLK
32
FOK
CPU
INTERFACE
SUBCODE
PROCESS
RFDC
FE
TE
SE
OP AMP
ANALOG SWITCH
A/D CONVERTER
MIRR
DFCT
FOK
DIGITAL SERVO
SIGNAL PROCESS
PWM GENERATOR
40
41
25
24
TEDR
TRDR
VIN1–B
18
8
9
VO3+
VO3–
VIN3+
VIN3–
DIGITAL
CLV
35
MDP
M
M103
(CHUCKING)
M102
(SPINDLE)
M101
(SLED)
TRACKING/FOCUS COIL DRIVE,
SLED/SPINDLE/CHUCKING
MOTOR DRIVE
IC201
MOTOR
DRIVE
COIL
DRIVE
SERVO AUTO
SEQUENCER
SERVO
INTERFACE
94
CH. F
71
CH. R
72
89
11
XRST
36
SSTP
LIMSW
SW3
(LIMIT)
65 LOAD1
SW1
(CHUCKING END DETECT)
66 LOAD2
SW2
(SAVE END DETECT)
ON : When the optical pick-up
is inner position
ON : When completion of the disc
chucking operation
ON : When completion of the disc
save operation
84
SERIAL
IN
INTERFACE
DIGITAL FILTER,
NOISE SHAPER
90
97
91
96
AOUT1
AOUT2
LOW-PASS
FILTER
AIN1
AIN2
92
95
LOUT
ROUT
GROUND ISOLATION
IC401
EMPHI
PCMDI
LRCKI
BCKI
A
(Page 22)
L, R
L
R
MUTING
Q410, 420
87
XTAO
86
XTAI
X130
16.9344MHz
TIMING
LOGIC
CLOCK
GENERATOR
4
AMUTE
MUTING
CONTROL
Q401, 402
SYSTEM CONTROLLER
IC201 (1/2)
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER,
DIGITAL SERVO PROCESSOR
IC101
(TRACKING)
(FOCUS)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS-720A)
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
• SIGNAL PATH
: CD PLAY
LASER DIODE
PWM
&
INTEGRATOR
Содержание CDX-454RF - Compact Disc Changer System
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Страница 49: ...49 CDX 454RF 454XRF MEMO ...