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