Sony ICF-CDK50 Service Manual ▷ View online
ICF-CDK50
ICF-CDK50
17
17
R767
D702
R747
R741
R743
R744
R748
R745
R746
C726
C727
C728
C729
C731
C732
C770
R742
FB704
R738
C725
C712
C713
C714
C705
C708
R720
R721
R749
R716
R718 R719
C711
C710
C755
R756
C741
C769
R750
JC702
C740
C739
C744
C745
C742
C743
R752
R751
C746
C747
C772
R740
R739
C734
C733
FB702
R771
C738
R770
R722
C717
C707
C706
C749
C750
C756
C757
R760
C758
C753
R757
R758
C754
C751
R753
C748
R754
R755
R762
R761
C760
C761
C701
C702
R713
JC701
C722
R728
R731
R730
R732
R733
C720
R735
R769
R734
R724
C718
R723
R725
R729
R726
C719
R776
R773
R774
R775
C767
C768
R710
R777
R778
R702
R703
R706
R707
R701
R705
R704
R708
FB703
R709
R715
C774
C704
C703
R714
Q701
R711
CNP701
FB701
D701
R765
C763
C764
C771
R737
C724
R727
C721
R768
C762
R763
R764
R736
C723
C765
R766
IC701
M701
M702
CNP702
X701
Q704
IC702
C716
Q702
S701
Q703
470
MA111-TX
470
100
2.2k
100
470k
0
22k
22p
22p
22p
100p
0.01
0.001
0.01
100
100
0.001
220p
0.01
0.1
1
0.1
0
1k
470
470k
47k
47k
22p
100p
1
22k
1
10
50V
470
0
0.1
100
10V
10V
0.0022
0.001
0.0022
0.001
470
470
0.0022
0.0022
1
100
100
0.01
100
10V
0
220k
470
10V
1k
220
0.22
100
10V
100
10V
100p
47p
22p
47p
1k
0.047
100p
47k
10k
220p
0.0022
47k
1
47k
47k
22k
1k
10
100
10V
10V
0.1
100
10V
10V
4.7
0
0.1
22k
100k
2.2k
2.2k
22k
0.22
4.7k
10k
47k
100k
1
47k
47k
22k
4.7k
1
10k
10k
22k
10k
0.0022
0.001
22k
10k
47k
10k
22k
10k
22k
22k
10k
22k
10k
0
22k
100k
1
100
10V
10V
1
4.7
2SA1235TP-1EF
100
16 P
0
MA111-TX
1k
1
220
10V
10V
1
2.2k
1
220
10
50V
220
0.1
2.2k
2.2k
2.2k
1
47p
47k
BU9532KS2
14 P
16.9344MHz
2SC3052EF-T1-LEF
BA5826SFP-E2
4.7
50V
2SC3052EF
-T1-LEF
2SC3052EF-T1-LEF
F-
T-
T+
F-
F+
F+
OP
SL-
SL+
OP
SP-
SP+
OP
SL-
SL+
SP+
SP-
T
-
T+
VCC
SP+
SPIN
SP-
SL-
SL+
F-
F+
GND
SLIN
AVDD1
AGND1
A
VDD2
AGND2
MONI0
VCDAC
DGND
DVDD
REG
-B
REGO
MUTE
GND
TIN
T+
GND
OPOU
T
OPIN
T-
NC
VCC
VREF
(SLIN)
(TIN)
RS
T
(FIN)
FIN
SL+
SL-
SP+
SP-
VR
F+
T+
T-
F-
GND
VC
VDD
E
D
A
B
C
F
LD
PD
SUBSYQ
(SLED)
(SPINDLE)
AUTOMATIC
POWER
CONTROL
CD 3.3V
L-OUT
D-GND
R-OUT
XRESET
DIN
RW
MCK
SUBSYQ
DOUT
BUSY
LIM SW
CD 6V
P-GND
FOCUS GAIN
CONTROL SWITCH
LDACO
RDACO
RFRPRFM
TZCRFM
SC
TEO
TEN
CACG
RFI
EQO
AC
BD
VBIAS
E
F
PKC
FEN
FEO
BTC
PD
LD
ASY
PCO
FCO
FDO
UT
JUMPO
TDOU
T
SDIN
SDOUT
CL
VOU
T
CLK88
LON
CLK
MCK
DIN
DOUT
R/W
RESETX
BUSY
MUTE
XPLCK
XI
XO
CD DSP
COIL/MOTOR
DRIVE
Q702,703
FOCUS GAIN UP SWITCH
(LIMIT)
TP
(RF)
TP
(VC)
D
MAIN
BOARD
(1/2)
CN801
6-2. SCHEMATIC DIAGRAM - CD Board -
• See page 26 for Waveforms. • See page 26 for IC Block Diagrams.
(Page 22)
ICF-CDK50
ICF-CDK50
18
18
6-3. PRINTED WIRING BOARD - TU Board -
•
: Uses unleaded solder.
• See page 15 for Circuit Boards Location.
IC2
IC1
TU BOARD
1-863-438-
11
(11)
L4
L3
AM FERRITE-ROD
ANTENNA
L2
T2
T1
L1
J24
(US, CND)
(US, CND)
(AEP)
(SHIELD CASE)
TP
(VT)
TP
(GND)
TP
(ANT)
1
2
3
4
5
6
7
8
9
10
A
B
C
D
1
11
C13
R5
E
F
2
JW14
10
13
24
12
1
(AEP)
C78
C77
MAIN
BOARD
CN802
F
POWER
BOARD
G
(Page 21)
(Page 21)
Ref. No. Location
• Semiconductor
Location
D1
B-7
D2
C-6
D3
C-6
D10
B-9
D11
B-9
IC1
D-7
IC2
D-3
ICF-CDK50
ICF-CDK50
19
19
6-4. SCHEMATIC DIAGRAM - TU Board -
• See page 26 for Waveforms. • See page 26 for IC Block Diagrams.
CNP1
C20
R30
R31
C34
D2
C33
C35
C31
C30
C24
C22
C23
C37
R52
C53
C65
R91
R50
R10
C29
C27
C26
R61
R60
R59
R58
R92
C61
C62
C63
C66
C68
R94
C51
C52
R51
C59
R53
C95
C55
R54
C54
C56
C57
R65
R63
R4
R13
C1
C11
C4
CF4
CF2
C8
C10
C12
C9
C47
C39
R40
R41
C49
C41
C42
C43
R32
D1
C32
D1
1
D10
C60
C80
R24
TP
JC5
JC1
JC4
JC33
JC2
JC6
R1
JC13
JC3
JC12
JC11
L2
L1
L3
L4
IC1
TP
TP
T2
C18
D3
IC2
T1
CT1
CT3
R11
C21
R3
X1
R2
L11
C7
JC34
R56
L21
11P
0.1
22k
4.7k
R33
10k
0.01
KV1471E
0.01
C13
0.01
0.01
22p
0.01
220p
0.1
1
50V
0.01
0
0.22
4.7
50V
50V
220
1k
47
100
10V
10V
100p
100p
2.2k
2.2k
2.2k
2.2k
220
100p
100p
100p
100p
100p
1k
22p
10p
10k
100p
4.7k
1000p
100p
470
220
10V
10V
1000p
1000p
10k
10k
10k
1k
47p
0.1
1000p
1000p
1
50V
4.7
50V
50V
10p
10p
0.1
220k
10k
0.01
220p
100p
22p
100k
KV1471E
1000p
1SS355
1SS355
1000p
0.01
220
(GND)
0
0
0
0
C77
0.0047
C78
0.0047
0
0
470
R5
1K
0
0
0
0
TA2149BN
(ANT)
(VT)
220
10V
10V
KV1520NT
LC72137M-TLM
C14
C15
0.01 (AEP)
(AEP)
0.022 (US,CND)
∗
∗
∗C14, 15
2.2k
1
50V
10k
75KHz
470
5p
0
220
GND
VT
AM OSC
FM OSC
VCC1
IF-OUT
DET
-OUT
MPX-IN
R-OUT
L-OUT
ST
-IND
QUAD
GND2
IF-IN
AM
IF-IN
FM
VCC2
AGC
LPF1
/BAND
LPF2
/MO-ST
GND1
FM
RF-IN
RF-OUT
AM
RF-IN
FM
OSC-
OUT
OUT
MIX-
CUT
AM LOW
CE
DI
CL
DO
BAND
ST
-IND
IF IN
XOUT
XIN
LP-OUT
LP-IN
PD
VSS
VDD
MO/
ST
FM IN
AM
IN
MUTE
AM IFT
FM
OSC
FM
RF
RF
ANTENNA
AM OSC
FM/AM RF AMP,MIX,OSC,
FM/AM IF AMP,DET,MPX
FM/AM PLL
IFT
FM
AM FERRITE-ROD
R MUTE
R COUNT
R CLOCK
R DATA
R CE
LCH
+B
RCH
S GND
BAND
MW/L
W
1H
10H
R14
1k
R55
10K
10K
R57
100
TU
JC24
0
(AEP)
(US, CND)
(US, CND)
F
MAIN
BOARD
(1/2)
CN802
11
G
POWER
BOARD
AM FREQUENCY
COVERAGE
FM FREQUENCY
COVERAGE
(Page 23)
(Page 22)
ICF-CDK50
ICF-CDK50
20
20
6-5. PRINTED WIRING BOARD - MOTOR Board -
•
: Uses unleaded solder.
• See page 15 for Circuit Boards Location.
6-6. SCHEMATIC DIAGRAM - MOTOR Board -
CN001
S001
1-866-548-
21
(21)
MOTOR BOARD
E
MAIN
BOARD
CN804
DISC TRAY
OPEN/CLOSE
DETECT
OPEN 5CLOSE
M
M001
(LOADING)
A
B
2
3
4
5
6
1
M001
S001
CNP001
5P
CD TRAY
OPEN/CLOSE
DETECT
OPEN
CLOSE
(LOADING)
OPEN-SW
CLOSE-SW
GND
MO-CLOSE
MO-OPEN
MAIN
BOARD
CN804
(Page 21)
(Page 22)
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