Read Sony CFD-E75L Service Manual online
CFD-E75L
25
25
6-6.
SCHEMATIC DIAGRAM – CD Section –
•
See page 23 for Waveforms.
•
See page 36 for IC Block Diagrams.
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
A
: B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
(
no mark : CD STOP
(
) : CD PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD PLAY
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
(Page 30)
C
7
2
7
C7
2
6
C
7
2
5
C
7
2
4
C
7
2
3
C
7
2
2
C
7
2
0
C
7
2
1
C746
C745
R
7
2
6
C729
C
7
2
8
R
7
2
5
R724
C744
C747
C730
R727
R729
R730
R728
R701
R702
R703
R704
R705
R706
R712
R710
R709
C731
C703
C706
C736
C743
C742
C707
C704
C717
R714
JC704
C716
C711
C735
R723
R722
R719
R720
R718
R716
R717
R721
R755
R754
C755
C754
R
7
4
3
C741
C709
C750
R731
C702
R707
CNP701
C740
R
7
4
4
R708
R711
C734
C708
S701
M701
M702
C701
Q701
TP
TP
C705
IC702
R741
CNP702
C712
C713
R715
FB701
C733
C732
C751
JC703
IC701
X701
L706
JC
7
0
1
J
C
7
0
2
1
0
0
0
p
1
0
0
0
p
1
0
0
0
p
2
2
p
0
.0
1
2
2
p
2
2
p
2
2
p
100
10V
10V
0.1
6
8
0
1
0
.0
4
7
6
8
0
47k
0.1
100
10V
10V
0.1
2.2k
220
1k
10k
47k
15k
15k
15k
15k
47k
100
4.7k
22k
0.047
0.1
1
50V
4700p
(TE)
0.1
0.1
1
(VC)
(FE)
22p
0.01
150
220
0.01
0.01
1000
6.3V
6.3V
100
100
100
100
1k
1k
1k
1k
0
0
(R-CH)
(L-CH)
0.01
0.01
6
.8
k
0.1
0.1
100
10V
10V
2.2k
47
10V
10
16P
470
10V
1
0
0
k
10k
330
4700p
100p
1000p
KTN2907AS-RTK
(GND)
(RF)
4700p
BA6998FP-E2
6.8k
14P
0.01
0.01
150
100
10V
10V
100
10V
10V
0.1
LC78645NE
33.868MHz
A9
A10
A9
A10
A1
A1
A2
A2
A8
A8
A4
A4
A3
A3
A5
A5
A6
A6
A7
A7
B1
B3
B5
B1
B3
B5
C1
C2
C3
C4
C1
C2
C3
C4
B2
B4
B2
B4
E
D
A
B
C
F
LD
VR
PD
F+
T+
T-
F-
SW
GND
VCC
MUTE
SP+
SPIN
SP-
SL-
SL+
REGO
VCC
VREF
F-
F+
T-
T+
RST
DRF
*RES
DO
DI
CL
CE
VREF
VCC
GND
FSEQ
*WRQ
REG-B
GND
GND
GND
NC
OPOUT
OPIN
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
FDO
SPDO
SLDO
GPDAC
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
V/*P
FSEQ
MONI1
MINI2
MONI3
MONI4
MONI5
(3.3V)VSS
VDD
DOUT
TEST
LVDD
LCHO
LVSS
RVSS
RCHO
RVDD
XVDD
XOUT
XIN
FSX/16MIN
XVSS
C2F
EFLG
16MOUT
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
CE
CL
DI
DO
*WRQ
*RES
DRF
VDD5
VSS
CONT3
CONT2
CONT1
PDO1
PDO2
VVSS
PCKIST
VVDD
FR
LDS
LDD
SLCO
TX
TY
FX
FY
SPY
SPX
SLX
SLY
SLIN
(SLIN)
FIN
(FIN)
TIN
(TIN)
(LIMIT)
SL+
SL-
SP-
SP+
(SLED)
(SPINDLE)
AUTOMATIC
POWER CONTROL
RF AMP,FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
CLV SERVO,D/A CONVERTER
COIL DRIVE,
FOCUS/TRACKING
SPINDLE/SLED
MOTOR DRIVE
P-GND
CD MOTOR 6.0V
CD R-OUT
CD L-OUT
D-GND
CD VDD 3.3V
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