Schematic Diagram - Cd Section - Sony CFD-E77L Service Manual

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6-7. SCHEMATIC DIAGRAM – CD Section – •
SW
S701
GND
(LIMIT)
R707
10
KTN2907AS-RTK
AUTOMATIC
CNP701 POWER CONTROL
16P
VREF
VCC
E R701 47k
D R702 15k
A R703 15k
B R704 15k
C R705 15k
F R706 47k
GND
LD
VR R712 100
PD
F+ C1
T+ C2
T- C3
F- C4
C733
T E 100
L 1 3 9 4 2 2 9 6 5 1 3
10V
SL+
M702
SL-
(SLED)
SP+
M701
SP-
(SPINDLE)
w w w
.
•
See page 36 for Waveforms. See page 36 for IC Block Diagrams.
R724 C747 C730 C744
100
47k 0.1 0.1
10V
R728
10k
R727
2.2k
R730 R729
1k 220
C731
C702
0.047
47
10V
C704
22p
R711
R709 R710 R708
330
Q701 22k 4.7k 10k
SLCO
C703
SLCIST
0.1
TP
C705
(RF) EFMIN
4700p
C701
RF
1000p
RFVDD
TP
RFVSS
(GND)
FIN1
FIN2
TIN1
TIN2
(VC)
VREF
C734 4700p
REFI
(FE)
C706
FE
1
C738
50V TEC
C732
0.1
100 (TE)
TE
10V
C739 C707
JC703
C736
RFMON
0.1 1
4700p
JITTC
ADAVDD
C708 100p
ADAVSS
C750 B1 TX TY
C751
TDO
0.1 100
10V
C743
0.1
C742
0.1
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
MOTOR DRIVE
IC702
BA6998FP-E2
x a o
y
i
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8
C729
1
R731
2.2k
C746
100
10V
C745
0.1
DATA
DATACK
LRSY
ASDFIN
ASDACK
ASLRCK
16MOUT
EFLG
C2F
RF AMP,FOCUS/TRACKING SERVO,
XVSS
DIGITAL SIGNAL PROCESSOR,
C717
FSX/16MIN
CLV SERVO,D/A CONVERTER 0.01
JC704
XIN
IC701
220
LC78645NE-U
XOUT
XVDD
FB701
RVDD
RCHO
R715
RVSS
150
C716
LVSS
0.01
LCHO
Q Q
LVDD R714
3 7 6 3
150
C711
0.01
C735
1000
6.3V
C709
0.1
R741
6.8k
C741
0.1
u 1 6 3
.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
( ) : CD PLAY
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2 4
9 9 8
CNP702
14P
P-GND
CD MOTOR 6.0V
A1 R723 100
FSEQ
A2 R722 100
DRF
A3 R719 100
DO
A4 R720 100
∗
WRQ
A5 R717 1k
CL
A6 R716 1k
CE
A7 R718 1k
DI
A8 R721 1k
∗
RES
A9 (R-CH)
CD R-OUT
A10 (L-CH)
CD L-OUT
D-GND
L706
CD VDD 3.3V
C755 C754
X701
0.01 0.01
33.8688MHz
A9
A10
1 5 1 5 0 8 9 2 4
C740
m
470
10V
c o
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
CFD-E77L
2
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(Page 30)
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