Sony ICF-CD73W Service Manual ▷ View 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)
ICF-CD73W
ICF-CD73W
22
22
CNP2
JW21
L6
D3
X61
CT5
L1
L2
IC1
CT3
L4
T1
CF4
CF2
T2
CT4
C20
C68
C29
C31
C39
L31
L11
L12
L15
C5
CT2
L16
L13
L14
C3
L17
JW3
JW4
JW5
JW7
JW1
1
JW12
JW13
JW14
JW15
JW16
JW17
JW18
JW19
JW20
C36
JW9
JW2
JW8
C72
C28
L5
AM FERRITE-ROD
ANTENNA
C4
C66
JW6
BPF1
JW23
JW1
JW22
JW25
R2
C35
C37
R1
D1
C41
IC2
C64
R62
R42
C52
R41
R51
C56
R52
R53
R54
C57
C58
C59
C60
C61
C62
R59
R58
R64
R66
R55
R81
R82
C71 C70 C69
C63
R72
R73
C77
C75
C76 R71
R63
C65
R68
R69
C67
R75
R61
C54
R74
R33
C32
R23
R24
D2
D17
R25
R26
C40
R22
C18 C19
C6
C7
C7
C1
C14
C15
C16
R17
R16
R11
R12
R15
D14
D15
R3
C55
C51
Q11
Q12
Q14
D21
R19
R67
R70
Q13 R37
C23
C24
C25
R6
C34
C33
C53
R31
R79
R84
C87
R20
FB4
R18
D23
C86
FB5
C42
C43
C27
D24
C85
C89
C2
D13
C90
C30
C26
C9
C10
D10
D11
JC1
JC2
JC3
JC4
JC5
JC6
JC7
JC8
JC9
JC10
JC12
C91
C92
L3
C13
C83
C21
C88
C11
1
11
TUNER BOARD
1-688-737-
11
(11)
TP
(GND)
TP
(VT)
TP
(ANT)
A
LCD BOARD
1
5
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
ANT1
FM/WEATHER
LEAD WIRE
ANTENNA
(SHIELD CASE)
6-6. PRINTED WIRING BOARDS - TUNER Board -
•
: Uses unleaded solder.
• See Page 19 for Circuit Boards Location.
Ref. No. Location
• Semiconductor
Location
D1
C-8
D2
D-6
D3
B-5
D10
B-10
D11
B-10
D13
D-9
D14
C-9
D15
C-8
D17
D-6
D21
C-5
D23
C-8
D24
D-7
IC1
E-7
IC2
D-4
Q11
C-3
Q12
C-2
Q13
E-6
Q14
E-4
(Page 24)
ICF-CD73W
ICF-CD73W
23
23
R61
R59
L31
R54
R53
R52
R51
R81
R82
TP
JW21
CNP2
C62
R58
R64
C63
C77
R66
JW13
C66
C65
R69
C68
X61
C70
C69
C71
C76
R74
C54
C75
Q14
R72
R73
R71
R55
C61
C60
C59
C58
JW20
JW19
C57
C56
C55
Q12
Q11
JW11
JW9
C51
Q13
R67
R70
R41
R42
C52
R37
C41
C40
R26
C37
C35
C39
C36
R25
R22
R20
D17
R23
C21
D24
C19
L16
D2
R24
FB5
R18
L15
C18
D1
C89
FB4
R17
R16
C14
L14
L13
R15
JW8
C33
JW15
C28
R31
R33
C29
C26
C30
C31
JW22
C32
L6
C27
JW17
C42
C43
JW16
JW14
D21
JW12
D3
L5
JW23
R79
C25
C24
C23
R12
R11
L11
L12
JW4
BPF1
TP
D13
JW3
C34
R1
R3
C1
C2
C3
T1
R2
C5
C6
C7
T2
R6
JW2
C90
C4
C87
C85
D11
D10
JW1
D23
C86
TP
C64
JW18
C72
R62
JC12
R75
JC9
JC8
JC10
R68
IC2
R84
JC6
JC7
C91
C92
C10
C9
CF2
CF4
JC3
JC4
IC1
JC1
C11
6P
JW5
ANT1
CT5
JC5
C16
C15
CT2
C13
D14
D15
L2
L1
L3
L4
R19
CT4
CT3
JW7
JW6
JC2
JW25
C67
L17
C83
C53
0
2.2k
2.2k
2.2k
2.2k
2.2k
100
100
(VT)
11P
1000p
1k
10k
1000p
1000p
1k
220
10V
10V
1000p
10k
0.47
75KHz
10p
6p
10p
6p
1k
0.01
0.047
KTC4082
3.3k
100k
100
1k
100p
100p
100p
100p
100p
100p
100p
KRA302-RTK
KRA302-RTK
1000p
2N3906U
100k
22k
100k
100k
0.01
470
0.1
0.1
3.3k
100p
220p
1
50V
1 50V
0
0
10k
KDS114
-RTK
470
470p
KDS112
-RTK
0.022
KV1471E
15k
680
0.022
KV1471E
22p
100k
1k
0.022
680
0.1
0.01
47k
220k
10p
47p
100p
220p
0.047
0.01
0.01
1000p
KDS121
-RTK
KV1520NT
0
0.01
1000p
1000p
1.5k
1.5k
(ANT)
KDS112-RTK
0.1
470
10k
1000p
1000p
1
50V
330
4.7
50V
10p
6p
100
220p
220
10V
10V
0.047
1000p
1SS355TE
-17
1SS355TE
-17
1SS355TE
-17
0.022
(GND)
0.01
47
16V
1k
0
22k
0
0
0
4.7k
LC72137M-TLM
4.7k
0
0
100p
100p
0.022
0.022
0
0
TA2149BN
0
0
22p
0.01
KDS114-RTK
KDS114-RTK
1k
C20
22p
C88
47p
0
0.01
0.001
0.1
A1
A2
A3
A4
A1
A2
A3
A4
VT
CE
DI
CL
DO
ST
-IND
IF
IN
XOU
T
XIN
LP-OUT
LP-IN
PD
VSS
VDD
FM IN
AM IN
TV
-H
FM/TV
-L
TV
-H/WB
AM OSC
FM OSC
VCC1
R-OUT
L-OUT
QUAD
GND2
AM
FM
VCC2
AGC
LPF1
/BAND
LPF2
/MO-ST
GND1
FM
AM
FM
AM
LOW CU
T
S-GND
FM/AM PLL
AM OSC
OSC
OSC
ANTENNA
AM FERRITE-ROD
FM/AM RF AMP,
MIX,OSC,
FM/AM IF AMP,
DET,MIX
FM IFT
AM IFT
1
5
TV ON
SWITCH
SWITCH
FM ON
ANTENNA
SWITCHING
RF OUT
RF IN
MIX OUT
RF IN
IF IN
IF IN
OSC OUT
ST
IND
IF OUT
DET
OUT
MPX IN
FM/
AM
/ST
MO
OSC
BUFFER
MUTE
COUNT
R CLK
R DATA
R CE
LCH
R +B
RCH
GND
LEAD WIRE
FM/WEATHER
FM/TV
RF
RF
TV/WEATHER
FM/TV
TV/WEATHER
10H
10H
10H
10H
10H
10H
10H
2.2H
6-7. SCHEMATIC DIAGRAM - TUNER Board -
• See Page 28 for Waveforms. • See Page 28 for IC Block Diagrams.
(Page 25)
ICF-CD73W
ICF-CD73W
24
24
LCD BOARD
(COMPONENT SIDE)
(11)
11
1-687-319-
L404
R448
R444
R443
R442
R441
C406
R440
C405
R439
R438
R455
R451
R450
R454
R492
R453
R457
C412
R446
R497
C411
R445
C408
R452
R449
C413
R458
R459
R460
C422
R465
R466
R471
C428
C429
C430
C431
C432
R353
R473
R474
R475
R476
R477
C435
R480
R467
R468
R470
R469
C423
C424
C425
C426
C416
C417
C418
C419
C420
C421
R491
C460
R461
R462
R463
R464
C414
C415
C409
L401
Q401
BC
E
R472
D352
A
K
A
K
D354
A
K
D351
R478
R479
C433
C434
R482
R485
C458
R488
R487
R486
C441
R484
C252
R253
R268
R267
R265
C256
R261
C156
R161
R162
C160
C255
R272
C260
R275
C261
R276
C253
C442
C443
R504
C450
C452
C407
R506
C436
L402
C445
R489
C446
R351
R354
R352
R252
C251
R277
R177
R176
R154
R172
R274
R256
R552
R554
R553
R556
R262
R279
C263
R257
R259
C258
C262
R278
R266
R166
R164
R160
C155
R157
R159
C163
R179
R264
R260
R167
R165
R178
C162
R156
R254
C438
C439
C440
R401
C401
R405
R403
C402
C403
C449
C448
R409
R407
IC401
R436
R434
R432
R502
R495
R509
R494
C453
R500
R507
R498
C455
C454
R496
R501
R493
R510
R499
R508
A
K
A
D403
EC
B
Q405
EC
B
Q406
EC
B
Q403
A
K
A
D402
A
K
A
D401
C457
C456
C451
IC403
IC402
Q251
BC
E
Q301
BC
E
Q154
BC
E
Q254
BC
E
Q253
BC
E
Q252
BC
E
R152
C151
C152
R153
R168
R174
C158
R175
C153
C161
EC
B
Q151
EC
B
Q153
EC
B
Q152
L405
D353
A
K
1
2
11
10
CNP401
1
2
13
12
CNP402
1
22
LCD401
LIQUID CRYSTAL DISPLAY
C410
+
C437
+
C352
+
C351
+
C354
+
C353
+
C444
+
S502
S501
S503
C447
+
R505
X402
X401
1
6
2
1
1
11
(11)
11
1-687-319-
R456
D
CD BOARD
CNP702
C
POWER BOARD
CNP301
1
80
40
41
21
20
60
61
1
2
3
3
1
2
(SHIELD CASE)
RADIO
ON
BAND
OFF
S503
CD
A
TUNER BOARD
CNP2
LCD BOARD
(CONDUCTOR SIDE)
R613
R614
R615
R616
R601
R602
R603
R604
R605
R606
R608
R618
R619
R620
R622
R612
R609
R610
S607
S606
S609
S610
S611
S605
RV601
1
6
1
3
CNP601
CNP602
−
PRESET TUNING/PRESET TIMER
SELECT/ PRESET
S608
+
TUNE/TIME SET
TIMER SET
AUTO
OFF
1
S604
2
S603
3
S602
4
S601
5
TIMER
SET
ON/OFF
CLOCK
MODE
VOLUME
(11)
11
1-687-322-
KEY BOARD
2
1
S551
CD LID
OPEN/CLOSE
(11)
1-687-323-
11
SW BOARD
F
POWER
BOARD
W302
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
J
-1
-2
6-8. PRINTED WIRING BOARDS - MAIN Section -
•
: Uses unleaded solder.
• See Page 19 for Circuit Boards Location.
(Page 22)
(Page 26)
(Page 20)
(Page 26)
Ref. No. Location
• Semiconductor Location
Ref. No. Location Ref. No. Location
D351
D-11
D352
E-12
D353
E-11
D354
E-12
D401
C-9
D402
C-9
D403
F-8
IC401
F-10
IC402
D-10
IC403
C-9
Q151
C-12
Q152
B-12
Q153
B-12
Q154
C-12
Q251
C-11
Q252
A-11
Q253
B-11
Q254
C-11
Q301
D-12
Q401
H-11
Q403
D-9
Q405
E-8
Q406
D-8
Click on the first or last page to see other ICF-CD73W service manuals if exist.