Read Sony CDX-715 Service Manual online
CDX-715
SECTION 7
DIAGRAMS
7-1.
BLOCK DIAGRAM – SERVO Section –
– 21 –
– 22 –
XROF
M
M
M
A
B
D
F
E
C
I-V AMP
DETECTOR
39
38
2
1
12
13
27
OUT+
OUT–
SLO
OUT–
OUT+
OUT+
OUT–
SPINDLE
MOTOR DRIVE
M101
(SPINDLE)
SLED
MOTOR DRIVE
26
M102
(SLED)
FOCUS
COIL DRIVE
TRACKING
COIL DRIVE
OUT+
OUT–
OUT–
19
24
4
10
IN
IN
IN
IN
SLP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC51
16
14
SLED
AMP
LD
PD
LASER DIODE
OPTICAL PICK-UP
(KSS-521A)
2-AXIS
DEVICE
(FOCUS)
(TRACKING)
33
32
27
44
23
22
20
21
19
23
RF AMP,
FOCUS/TRACKING
SERVO
IC11 (1/2)
FOCUS OK
COMPARATOR
MIRR
AMP
DEFECT
AMP
FOCUS OK
AMP
IIL DATA REGISTER
40
38
FILTER
42
39
FILO
PCO
CLTV
FILI
DIGITAL PLL
ASYMMETRY
CORRECTION
CORRECTION
EFM
DEMODULATOR
ERROR
CORRECTOR
16K
RAM
INTERNAL BUS
SUB-CODE
PROCESSOR
SERVO AUTO SEQUENCER
DIGITAL CLV
17
15
52
54
50
100
16
LRCI
BCKI
RFCK
WDCI
8 7 9 10 12 11 75 76 77
61
26
28
14
13
1
7
4
5
4
5
CH.F
CH.R
CHUCKING
MOTOR DRIVE
CHUCKING MOTOR DRIVE
IC52
FIN
RIN
OUT1
OUT2
SW11
(CHUCKING END DETECT)
LOAD1
LOAD2
SW12
(SAVE END DETECT)
SW1
(LIMIT)
M103
(CHUCKING)
41
42
36
37
1
40
45
2
47
17
16
6
25
24
13
+
PD1
PD1 I-V AMP
RFO
RF
46
ASYI
47
ASYO
FOK
DATO
CLKO
XLTO
SEIN
CNIN
CNIN
C.OUT
FOK
SUBQ
SCLK
SENS
CD.DATA
CD.CLK
CD.XLT
SCOR
MON
MDP
MDS
29
LOCK
64
SQSO
SQCK
SENS
DATA
CLOCK
XLAT
SCOR
SBSO
EXCK
GFS
GTOP
WFCK
EMPH
C4M
XRST
RFI
FOK
DATA
CLK
SENS1
26
SENS2
C.OUT
XLT
LOCK
XRST
PD2 I-V AMP
PD2
TTL
IIL
FEO
TEO
PD
FEI
FEO
TAO
TEI
TTL
IIL
TTL
IIL
FOCUS
ERROR
AMP
RF
SUMMING
AMP
TRACKING
ERROR
AMP
TRACKING PHASE
COMPENSATION
FOCUS PHASE
COMPENSATION
AUTOMATIC
POWER CONTROL
Q11
I-V
AMP
LD
AMP
PD
AMP
FE BIAS
RV14
F
E
LD
89
XTAI
PCMD
BCKO
LRCK
63
C2PO
62
49
49
RFCK
WDCK
DATI
DATA
BCK
LRCK
A
XRST
XRST
ON : When completion of the disc
chucking operation.
ON : When the optical pick-up
is inner position.
SLED SERVO
IC11 (2/2)
05
DIGITAL SIGNAL PROCESSOR,
CLV SERVO
IC101
SYSTEM CONTROLLER
IC201 (1/2)
D-RAM
IC402
D-RAM
CONTROLLER
IC401
ON : When completion of the disc
chucking operation.
• SIGNAL PATH
(Page 23)
(Page 23)
(Page 23)
: CD PLAY
27
FOCUS
GAIN
CPU INTERFACE
D/A
INTERFACE
CLOCK
GENERATOR
EDGE DETECT
IC403 (1/2)
70
74
72
58
2
1
7
IC403 (2/2)
11
9
12
7
13
GTOP
8
WFCK
3
C4M
5
6
XROI
SDTI
18
17
19
XTAI
C4M
22
SENS2
8
54
52
51
23
23
67
65
66
63
GFS 24
GRSRT
GRSCOR
XQOK
SDTI
XSOE
ESPXLT
XRDE
XWRE
GRSRT
GSCR
XQOK
SDTO
XSOE
XLT
XRDE
XWRE
SCK
SCOR
47
48
48
61
21
16
B
C
1 60 59 50 49 46 45 44
XCAS
XRAS
XOE
XWE
XWE
34 28 35 29
XCAS
XRAS
XOE
25
46
26
26
27
28
29
41
42
25 – 22, 40 – 36, 27
31, 30, 33, 32
9 – 12, 14 – 18, 5
1, 2, 24, 25
A0 – A9
A0 – A9
D1 – D4
D1 – D4
23 4 22 3
LIM.SW 9
7
6
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