Read Sony CFD-S28 Service Manual online
CFD-S28
– 17 –
– 18 –
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – CD Section –
A
B
D
12
13
4
10
7
11
6
F
E
C
I-V AMP
DETECTOR
39
38
17
18
26
27
2
SL+
SL–
SLO
F–
F+
T+
T–
SPINDLE
MOTOR DRIVE
M701
(SPINDLE)
S701
(LIMIT)
SLED
MOTOR DRIVE
1
M702
(SLED)
FOCUS
COIL DRIVE
TRACKING
COIL DRIVE
SP+
SPO
MUTE
SP–
9
15
14
3
19
25
FIN
TIN
SLIN
SPIN
SPI
SLP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC702
16
14
SLED
AMP
LD
PD
LASER DIODE
OPTICAL PICK-UP
(KSS-213C)
2-AXIS
DEVICE
(FOCUS)
(TRACKING)
33
32
27
35
18
22
20
21
19
23
RF AMP,
FOCUS/TRACKING
SERVO
IC701 (1/2)
FOCUS OK
COMPARATOR
MIRR
AMP
DEFECT
AMP
FOCUS OK
AMP
IIL DATA REGISTER
31
29
FILTER
33
30
FILO
PCO
CLTV
FILI
XPCK
DIGITAL PLL
ASYMMETRY
CORRECTION
CORRECTION
EFM
DEMODULATOR
DIGITAL
OUT
ERROR
CORRECTOR
16K
RAM
INTERNAL BUS
SUB-CODE
PROCESSOR
OSC
CLOCK
GENERATOR
SERVO AUTO SEQUENCER
DIGITAL
CLV
14
12
41
43
39
13
79
5 4
6
7 9 8
57 58 59
62
70
11
10
41
42
36
37
1
40
45
2
47
12
11
6
25
24
13
PD1
PD1 I-V AMP
RFO
RF
37
ASYI
38
48
ASYO
FOK
DATO
CLKO
XLTO
SEIN
CNIN
MDP
SQSO
SQCK
SENS
DATA
CLOK
XLAT
XLON
SPOA
SCOR
SBSO
EXCK
XUGF
WFCK
EMPH
EMPHI
SYSM
XTAI
71
XTAO
RFI
FOK
DATA
CLK
SENS1
26
SENS2
C.OUT
XLT
LOCK
PD2 I-V AMP
PD2
TTL
IIL
FEO
TEO
PD
FEI
FEO
TAO
TEI
TTL
IIL
TTL
IIL
XRST
FOCUS
ERROR
AMP
RF
SUMMING
AMP
TRACKING
ERROR
AMP
TRACKING PHASE
COMPENSATION
FOCUS PHASE
COMPENSATION
AUTOMATIC
POWER CONTROL
Q701
I-V
AMP
LD
AMP
PD
AMP
FE BIAS
F
E
LD
PCMD
53
DOUT
BCK
LRCK
PCMDI
BCKI
LRCKI
42
44
40
50
C2PO
SLED SERVO
IC701 (2/2)
05
DIGITAL SIGNAL PROCESSOR,
CLV SERVO, D/A CONVERTER
IC703
SYSTEM CONTROLLER
IC501 (1/2)
• SIGNAL PATH
: CD PLAY
R-CH: Same as L-CH.
21
CPU INTERFACE
D/A INTERFACE
SERIAL
INPUT
INTERFACE
PWM
PWM
OVER
SAMPLING
DIGITAL
FILTER
NOISE
SHAPER
56
54
55
AOUT2
65
XTSL
51
C4M
52
AOUT1
AIN2
R-CH
CD L-CH
AIN1
LOUT2
LOUT1
76
75
66
74
67
GFS
X701
16.9344MHz
49
47
9
8
14
3
10
7
12
5
14
3
15
2
13
4
16
1
5
CNP701
3
4
4
3
CNB702
CNP707
+
MAIN BOARD (1/2)
CD MOTOR BOARD
M
1
6
2
5
5
2
6
1
M
XRST
A
(Page 21)
C-MUTE 68
C-SCOR
C-DOOR
1
78
C-LA
TCH
11
C-CLOCK
10
C-DA
TA
12
C-SENS
5
C-SQCK
7
C-SQSO
8
9
C-SENS2
6
C-RST
17 15
7
S501
(CD LID OPEN/CLOSE DET)
KH503
2
1
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