CDX-T70MX
1818
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM – SERVO Section –
RFAC
SUMMING
AMP
RFDC
SUMMING
AMP
AC
SUM
4 3
EQ IN
7
8
9
A
B
C
D
RW/ROM
28
30
16
18
RFDCO
DC OFST
FE
TE
E
F
10
11
FOCUS
ERROR
AMP
TRACKING
ERROR
AMP
SW
PD
12
2
LD
1
APC AMP
RW/ROM
15
RFAC
RFAC
VCA
RF EQ
AMP
116, 115,
118, 117
RF
FE
TE
109 – 106, 7 – 5,
3 – 1, 111
9 – 12, 15 – 19,
21, 8
2, 3,
24, 25
5
23
4
22
RAS
CAS
WE
OE
113
119
114
120
XRAS
XCAS
XWE
XOE
VIBRATION
MEMORY
CONTROLLER
&
COMPRESSION
EXPANDER
A0 – A10
A0 – A10
DQ1 – DQ4
D0 – D3
RFAC
ASYI
ASYO
71
73
74
66 69 68 67
FILO
CLTV
PCO
FILI
ASYMMETRY
CORRECTOR
DIGITAL
PLL
EFM
DEMODULATOR
INTERNAL BUS
D/A
INTERFACE
ERROR
CORRECTOR
32k RAM
15
15
15
90
88
86
BCK
PCMD
LRCK
SELECTOR
DIGITAL
OUT
1585
DOUT
1593
1594
XTAI
XTAO
CLOCK
GENERATOR
1578
1581
WDCK
GFS
1523
1525
1524
1526
1514
1515
1517
DATA
CLOK
XLAT
SENS
SQSO
SQCK
SCOR
SUBCODE
PROCESSOR
CPU
INTERFACE
XRDE
XWRE
XQOK
159
158
1512
XRDE
XWRE
XQOK
SERVO AUTO
SEQUENSOR
SCLK
FOK
XRST
27
35
21
SERVO
INTERFACE
45
SSTP
TE
FE
RF
SE
TE
FE
RFDC
61606258
OP AMP
ANALOG SW
A/D CONVERTER
SERVO DSP
PWM GENERATOR
50
51
48
49
46
47
43
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
MDP
MIRR
DECT
FOK
DIGITAL
CLV
6
7
8
9
10
11
5
4
VO4 +
VO4 –
VO3 +
VO3 –
VO2 +
VO2 –
VL0 +
VL0 –
VIN4 +
VIN4 –
VIN3 +
VIN3 –
VIN1 + B
VIN1 – B
FWD
REV
31
32
25
24
19
18
1
2
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
COIL
DRIVE
MOTOR
DRIVE
COIL
DRIVE
TRACKING/FOCUS COIL DRIVE,
SLED/SPINDLE/CHUCKING
MOTOR DRIVE
IC201
A
B
C
D
E
F
I-V AMP
PD LD
DETECTOR
(TRACKING)
(FOCUS)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS-720A)
LASER DIODE
MM
M101
(SLED)
MM
M102
(SPINDLE)
MM
M103
(CHUHCKING)
1588
SW101
(LIMIT)
SW102
(CHUCKING END DETECT)
ON : When the optical pick-up
is inner position
ON : When completion of the disc
chucking operation
ON : When the optical pick-up
is inner position
ON : When completion of the disc
chucking operation
R/RW SEL
GRSCOR
GFS
CDDAT
CDCLK
CDLAT
SENS
SCOR
XRDE
XWRE
XQOK
SCLK
LIM SW
LOAD SW
SAVE SW
XRST
FOK
SQSO
SQCK
90
40
5
10
8
9
7
38
16
17
15
6
98
11
4
84
85
LOADF
LOADR
95
96
99
CD-ROM/RW
SELECT SWITCH
Q302
RF AMP OFFSET
CONTROL SWITCH
Q102
SIGNAL PATH
: CD PLAY
FILTER
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR,
D-RAM CONTROLLER
IC401
D-RAM
IC402
AUTOMATIC
POWER
CONTROL
Q101
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
6
SYSTEM CONTROLLER
IC301 (1/3)
VIN2 –
21
VC
27
DVC
14
VC
CE
VC
5963
X501
16.9344MHz
A
B
BCK
SDI
LRCK
XTAL-IN
100
D301
C
TCXRDE
(Page 19)
(Page 19)
(Page 19)
12
13
VO1 +
VO1 –
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