Block Diagram - Cd Section - Sony CFD-CD777SMK2 Service Manual

CFD-CD777SMK2
Q Q
3 7 6 3 1 5 1 5 0
6-2. BLOCK DIAGRAM – CD Section –
A
DETECTOR
A D
D
C
B C
I-V B
AMP
RV701
F
F
FOCUS BIAS
E
E
OPTICAL PICK-UP
(KSS-213R)
RV703
T E
L 1 3 9 4 2 2 9 6 5 1 3
E-F BALANCE
LASER DIODE
AUTOMATIC
POWER CONTROL
Q701
PD LD
LASER ON SWITCH
2-AXIS
DEVICE
TRK+
TRK–
FCS+
FCS–
M902 M
(SLED)
SP+
22
SPINDLE
M901
SPIN
M
MOTOR 20
(SPINDLE)
SP–
DRIVE
21
w w w
RF AMP,
FOCUS/TRACKING/SLED SERVO
IC701
RF AMP
PD1
35
RF
RFO
+
SUMMING 31
RF AMP
AMP
PD2
RFI
36
30
FOCUS OK
COMPARATOR
FE BIAS
37
MIRR
AMP
TTL
IIL
DEFECT
AMP
RV702
FOCUS GAIN
F
F I-V
38
AMP
FOCUS
FEO FEI FOCUS PHASE
ERROR 1 2
COMPENSATION
AMP
E E I-V
39
AMP
TRACKING
TEO TEI TRACKING PHASE
ERROR 42 44
EI
COMPENSATION
40
AMP
RV704
TRACKING
GAIN
LD LD PD
33 SLO
AMP AMP 16
PD
34
Q703
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC703
T+
7
TRACKING TIN
5
T–
COIL DRIVE
6
F+
28
FOCUS FIN
F– 29
COIL DRIVE
27
SL+
10
SLED MOTOR SLIN
SL–
11
9
DRIVE
SPO
SPINDLE MOTOR SPI
24 25
DRIVE
MUTE
15
x a o
y
RST 12
D704
. i
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FILTER
DIGITAL SIGNAL
PROCESSOR, CLV SERVO
IC702
7 12 9 8
RF
ASYMMETRY
14 DIGITAL PLL
CORRECTION
FOK FOK
25 1
FOCUS OK
AMP
DATA DATO
21 56
CLK CLKO
TTL
19 59
XLT XLTO
20 57
IIL
XRST
22
SENS SEIN
IIL
24 54
C.OUT CNIN
23 55
TTL
DIGITAL
50 XRST
FEO
CLV
6
2 3 4
TEO
13
Q Q
3 7 6
SL+
SLED
14
AMP
12
34 LDON
62 61 60
X702
4.019MHz
u 1 6 3
20 20
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2 4
8 9 9
X701
16.9344MHz
XTAI
34
CLOCK
XTAO
GENERATOR
35
PCMD
21
D/A
BCK
EFM
22
INTER-
DEMODULATOR
LRCK
FACE 20
MUTE
48
16k
RAM
SUB-CODE
PROCESSOR
ERROR
CORRECTOR
EMPH
40
GFS
27
CPU
INTERFACE
60
46 47 49 51 53 52 43 44
3 1 5 1 5 0 8 9
S702
(LIMIT)
ON: When the optical pick-up is
inner position.
8 5 3 11 9 10 4 28
SYSTEM CONTROLLER, LCD DRIVER
IC801
COM0 – COM3 SEG0 – SEG13
54 – 51 50 – 37 19 20 21 22 23 24
LCD801
LIQUID CRYSTAL DISPLAY
m S801 – S806
c o
.
2
8 9 9
DIGITAL FILTER,
D/A CONVERTER
IC704
18 XI
CD L-CH
DATA A
6 LO 12 (Page 21)
BCK
5
8 LRCK
RO R-CH
14
1 MUTE
MUTING
Q705, 706
MUTING
CONTROL SWITCH
Q702, 704
2 EMPH
22
• R-ch is omitted due to
same as L-ch.
• SIGNAL PATH
2 4 9 8 2 9 9
: CD
REC
B
(Page 21)
14
64 15
REMOTE CONTROL
RECEIVER S701
IC851 (CD LID OPEN/CLOSE DET)
(ON: When the CD lid is closed)