Read Sony ICF-CD73W Service Manual online
ICF-CD73W
ICF-CD73W
21
21
C750
BP702
BP703
BP70
4
C715
C716
C706
C712
C709
C711
C710
C714
C713
C753
C754
Q702
R746
R747
BP701
C746
C747
R742
R709
R706
R713
R715
R707
R710
R712
R714
R704
R705
C703
R701
C701
R702
R703
R744
C749
R733
R740
R741
C744
C745
C743
R738
R739
C740
R735
R737
R736
R734
C741
C742
R732
C739
R728
R729
R730
R731
R726
R725
R727
C732
C733
C734
C735
X701
R723
FB701
C728
C719
R719
R720
R718
R717
R721
R722
R716
C718
IC701
R75
9
R753
R756
R762
R754
R760
R757
C755
C756
C757
C758
C773
Q703
R751
R769
R770
R771
R772
R773
C766
C760
C759
C774
C767
L750
C738
C721
Q704
C779
C781
C717
R743
C778
C777
CNP705
CNP706
CNP701
CNP704
S701
M701
C768
C762
C761
C763
C764
D701
C737
C736
C780
CNP702
L701
JC701
C729
C724
C725
Q705
C705
C708
JC703
IC702
M702
L702
R745
R724
TP
TP
TP
C702
Q701
JC702
0.1
100p
0.1
0.1
4700p
4700p
1
0.1
0.1
100
4V
100
4V
0.1
2SC4081
100k
220k
1000p
47
10V
10
4.7k
4.7k
470k
470k
10k
10k
220k
220k
470
1k
22p
10k
0.047
4.7k
22k
100
100
4V
47k
220
1k
0.1
100
4V
0.1
2.2k
10k
100
4V
470
470
220
220
0.047
1
2.2k
0.1
100
100
1k
100
1k
1k
1k
22p
22p
22p
0.01
16.9344MHz
470
0.01
0.01
100
100
47
47
0
0
100
0.1
LC78646E-US-E
22k
10k
22k
22k
47k
47k
47k
0.022
0.022
0.022
0.022
0.1
DTC115EUA
22k
22k
4.7k
10k
10k
47k
0.1
0.1
470
10V
10V
0.1
10
10V
1000p
470
4V
DTA144EUA
0.1
1000p
1000p
0
1
1
16P
6P
20P
20P
0.022
0.1
1
47p
220p
1N4002
1000p
22p
0.1
13P
0
0
0.01
0.01
0.01
2SB1184
4700p
1
50V
0
BH6575FV
47k
22k
(VC)
(TE)
(RF)
0.1
KTN2907AS-RTK
0
SP+
SP+
SP-
SP-
SL-
SL-
SL+
SL+
FCS+
FCS+
FCS-
FCS
-
TRK-
TRK-
TRK+
TRK+
A2
A3
A4
A2
A3
A4
A1
A1
B1
B2
B3
B4
B5
B6
B7
B8
B9
B1
B2
B3
B4
B5
B6
B7
B8
B9
FCS+
FCS+
FCS-
FCS-
TRK+
TRK+
TRK-
TRK-
SL+
SL+
SL-
SL-
SP-
SP-
SP+
SP+
LIM
LIM
F
F
E
E
PD1
PD2
PD1
PD2
LD
LD
PD
PD
F
VCC
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
FDO
SPDO
SLDO
GPDAC
CONT4
CONT
5
SBCK/
CONT
6
SBCK/FG
DEFECT
FSEQ
MONI1
MINI2
MON
I3
MONI4
MONI5
(3.3V)VSS
VDD
DOUT
TES
T
LVDD
LCHO
LVSS
RVSS
RCHO
RVDD
XVDD
XOUT
XIN
FSX/16MIN
XVSS
C2F
EFLG
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
CE
CL
DI
DO
DRF
VDD5
VSS
CONT
3
CONT2
CONT1
PDO
1
PDO
2
VVSS
PCKIST
VVDD
FR
LDS
LDD
SLCO
TX
TY
AUTOMATIC
POWER CONTROL
RF AMP,FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
CLV SERVO,D/A CONVERTER
GND
LD PD
LD LD
VC
PD1
PD2
E
VR
GND
LIM
SP+
SP-
SL-
SL+
FCS+
TRK+
FCS-
TRK-
FX
FY
SPY
SPX
SLX
SL
Y
DRF
DO
DI
CL
CE
FSEQ
WRQ
RES
RCH
LCH
DGND
+3.3V
CD ON
RES
WRQ
16MOUNT
V/P
TRK-
TRK
+
FCS
-
FCS
+
PGN
D1
FIL4
FIL
3
FIL2
FIL1
VREF
FCS IN
TRK
IN
SL
IN
SP
IN
RESET
MUTE1
MUTE34
CLK
OFF
ST
AR
T
EO
EI
VSYS
SW
VG
LG
PGND3
GND
REGB
CD IN
CT
SOF
T
SPR
T
PGND2
SP+
SP-
SL-
SL+
PVCC
F
VCC
GND
LD PD
LD LD
VC
PD1
PD2
E
VR
GND
LIM
SP+
SP-
SL-
SL+
FCS+
TRK+
FCS-
TRK-
NC
GND
(LIMIT)
PGND
PVCC
DGND
1
3
+3.3V
REGULATOR
MUTING
SWITCH
SWITCH
REGO
Q703,704
CD ON
SWITCH
COIL DRIVE,
FOCUS/TRACKING
SPINDLE/SLED
MOTOR DRIVE,
POWER CONTROL
(SLED)
(SPINDLE)
10H
220H
OPTICAL
PICK-UP
BLOCK
(KSM-900AAA)
6-5. SCHEMATIC DIAGRAM - CD Section -
• See Page 28 for Waveforms. • See Page 28 for IC Block Diagrams.
(Page 27)
(Page 25)
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