Table des Matières
Publicité
SECTION 7
DIAGRAMS
7-1.
BLOCK DIAGRAM – SERVO Section –
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
DETECTOR
A
RF
A
RF EQ
5
SUMMING
AMP
AMP
B
B
6
C
C
7
D
D
8
FOCUS
ERROR
AMP
E
E
11
E I-V AMP
TRACKING
F
ERROR
F
AMP
10
F I-V AMP
LASER DIODE
AGC
AUTOMATIC
LD
APC LD
POWER
3
APC PD
CONTROL
AMP
AMP
Q101
PD
LD
OPTICAL
PICK-UP BLOCK
(KSS-720A)
TRACKING/FOCUS COIL DRIVE,
SLED/SPINDLE/CHUCKING
MOTOR DRIVE
IC201
2-AXIS DEVICE
VO3+
VIN3+
8
25
COIL
VO3–
VIN3–
DRIVE
9
24
(TRACKING)
(FOCUS)
VO4+
VIN4+
6
31
COIL
VO4–
VIN4–
DRIVE
7
32
VO2+
VIN2+
10
22
MOTOR
M101
M
VO2–
VIN2–
DRIVE
(SLED)
11
21
VO1+
12
M102
MOTOR
VIN1–B
M
18
VO1–
(SPINDLE)
DRIVE
13
VL0+
FWD
5
1
M103
MOTOR
M
VL0–
REV
(CHUCKING)
DRIVE
4
2
05
FILTER
64
63 66 65
83
EFM
RFO
RFAC
ASYMMENTRY
DIGITAL
16
61
DE-
CORRECTOR
PLL
MODULATOR
ASYI
60
ASYO
59
RFDC
FE
FE
14
TE
TE
13
LDON
LDON
22
HOLD SW
HOLD
21
AGCCONT
AGC
20
PD
4
54 50 52 51
OP AMP
ANALOG SWITCH
A/D CONVERTER
TEDR
40
TRDR
41
MIRR
DFCT
FFDR
FOK
42
FRDR
43
SFDR
38
SRDR
39
MDP
DIGITAL
35
CLV
(LIMIT)
ON : When the optical pick-up
is inner position
(CHUCKING END DETECT)
ON : When completion of the disc
chucking operation
(SAVE END DETECT)
ON : When completion of the disc
save operation
EMPHI
84
SERIAL
PCMD
PCMDI
DIGITAL FILTER,
IN
79
80
D/A
NOISE SHAPER
LRCK
LRCKI
INTERFACE
INTER-
77
78
BCK
BCKI
FACE
81
82
32k RAM
ERROR
CORRECTOR
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER,
DIGITAL SERVO PROCESSOR
IC101
LDON
HOLD
AGC
GFS
22
DATA
13
CLOK
15
XLAT
14
SENS
16
SQSO
6
SUBCODE
CPU
SQCK
7
PROCESS
INTERFACE
SCOR
24
SERVO AUTO
SEQUENCER
SERVO
INTERFACE
SCLK
17
FOK
32
XRST
11
36
SW3
SW1
SW2
21
21
CDX-540RF/545RF/545XRF
AOUT1
LOUT
AIN1
90
91
92
PWM
LOW-PASS
GROUND ISOLATION
&
AOUT2
AIN2
FILTER
ROUT
IC401
INTEGRATOR
97
96
95
XTAO
87
TIMING
X130
CLOCK
GENERATOR
LOGIC
16.9344MHz
XTAI
86
54
LDON
55
AGCHOLD
56
RF AGC
MUTING
AMUTE
4
CONTROL
91 GFS
Q401, 402
6 CDDATA
7 CDCLK
5 CDXLT
93 SENS
77 SQSO
79 SQCK
82 SCOR
SYSTEM CONTROLLER
IC201 (1/2)
92 SCLK
90 FOK
94
XRST
• SIGNAL PATH
71
CH. F
72
CH. R
LIMSW
89
65 LOAD1
66 LOAD2
L
L, R
A
(Page 22)
R
MUTING
Q410, 420
: CD PLAY
Publicité
Table des Matières
