Read Sony CFD-CD777SMK2 Service Manual online
CFD-CD777SMK2
26
26
6-8.
SCHEMATIC DIAGRAM – MAIN Section (2/5) –
•
See page 34 for Waveforms.
•
See page 34 for IC Block Diagrams.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
no mark : CD PLAY
∗
: Impossible to measure
CN701
CNP701
R756
R757
R758
R759
R722
R723
C727
RV701
R727
RV703
R725
M902
M901
S702
RV704
CNP703
CN703
C722
R714
C721
R726
C726
R710
C717
R731
C731
R734
C777
C732
IC701
RV702
R700
R701
C704
C702
C706
R702
C707
C725
R717
D701
C796
R795
R774
R708
R780
R712
C708
R703
R704
R705
C709
C710
C736
C781
C785
R706
C711
R707
C729
C728
R715
D704
C733
C760
R746
C799
R716
R709
C713
C700
C878
C747
C715
C714
Q703
Q701
IC703
C705
C716
C718
C730
R720
C734
C723
C701
16P
VCC
16P
LD
PD
E
D
A
B
C
F
82k
68k
68k
68k
68k
82k
0.01
22k
10k
2.2k
47k
22k
6P
6P
0.022
150k
0.047
10k
1000p
10
47
10V
22k
0.0068
47k
100p
0.01
CXA1782BQ
22k
10k
82k
0.1
0.1
0.033
510k
0.018
10p
10k
IN4148M-TP
0.01
10k
1k
150k
1k
3.3k
10p
100k
150k
47k
3.3
50V
50V
0.068
100
10V
10V
100
10V
10V
0.01
75k
47p
18k
47
10V
0.1
12k
IN4148M-TP
0.01
220
16V
16V
47k
0.01
12k
20k
0.033
0.01
0.01
0.01
0.033
0.01
KRC110M-AT
KTA1266Y-AT
BA6898S
4.7
6.3V
0.01
10
50V
1000
16V
330k
0.0068
0.1
0.0022
A1
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A2
A13
A14
A15
A16
A17
FOCUS/TRACKING
SPINDLE/SLED
VC
VCC
E
D
A
B
C
F
GND
LD
VR
PD
F+
T+
T-
F-
VC
VCC
E
D
A
B
C
F
GND
LD
VR
PD
F+
T+
T-
F-
(SPINDLE)
(SLED)
(LIMIT)
SP+
SP-
SL+
SL-
LIMIT
GND
SP+
SP-
SL+
SL-
LIMIT
GND
CONTROL
SWITCH
LASER ON
POWER
AUTOMATIC
T
R
A
C
K
IN
G
FO
C
U
S
MOTOR DRIVE
COIL DRIVE,
RF AMP,
FOCUS/TRACKING/SLED SERVO
FE BIAS
F
E
EI
GND
LPFI
ATSC
TZC
TDFCT
VC
C
C
2
F
O
K
C
C1
C
B
C
P
R
FI
R
FO
R
F-
LD
P
D
P
D
1
P
D
2
TEO
SL+
SL-
ISET
VCC
CLK
XLT
DATA
XRST
C.OUT
SENS
SLO
FD
FC
T
FG
D
FL
B
FE
O
FE
-
S
R
C
H
TG
U
TG
2
FSE
T
T
E
-
G
N
D
V
C
C
FIN
F
+
F-
V
R
E
F
S
P
I
S
P
O
G
N
D
S
P
+
S
P
-
S
P
IN
G
N
D
N
C
G
N
D
M
U
T
E
C
O
M
5
V
R
E
G
R
S
T
S
LIN
S
L
+
S
L
-
G
N
D
T
+
T
-
TIN
V
R
E
F
V
C
C
(2/5)
TEO
TEI
FE
O
F
EI
(Page 27)
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