Sony ICF-CD523 Service Manual ▷ View online
ICF-CD523
21
21
ICF-CD523
6-4. SCHEMATIC DIAGRAM – MAIN Section (2/4) –
•
See page 25 for Waveforms.
•
See page 26 for IC Block Diagrams.
TP
C61
R61
C70
Q51
C63
R60
Q52
R63
C64
C65
R64
C66
R62
L2
L1
C1
C2
C3
C4
R1
R2
C69
BPF1
R4
TP
L3
R66
C8
C13
R5
R7
C9
D4
L4
C12
R
13
C1
8
R12
RV1
R
11
C
17
R6
TP
BP1
R65
IC51
R52
C54
C
53
R
53
C
51
C
52
R
51
C67
X51
C55
C56
R54
R55
R56
C59
C57
C58
R15
C22
R16
R23
C23
C24
C25
C26
C27
C16
IC1
C19
R14
C20
C33
TP
C30
R19
C28
R17
R22
C220
C120
R201
R101
TP
C68
JC1
C11
CT2
R3
R8
D3
D2
CT1
C15
CF1
C31
C29
CF2
CF3
T1
Q5
(VT)
470p
10k
0.33
2SC2412K-S
1000p
10k
2SC2412K-S
100k
0.01
47
35V
10k
2200p
10k
1000p
1000p
10p
3p
100k
100k
1000p
3.3k
1k
0.01
0.01
10k
1M
430p
SVC347S
0.01
220k
10
0
10
V
10k
22k
100
2.2
50V
27
100
BU2614FS
470
0.1
4.7
50V
1k
10
16V
0.1
4.7k
0.01
75kHz
33p
18p
1k
1k
1k
100p
100p
100p
470
0.01
2.2k
330
4.7
50V
50V
1
47
10V
0.01
47
10V
0.01
CXA1238M
0.47
2.2k
4.7
50V
50V
1
∗
6.8k
∗
6.8k
220k
220p
220p
68k
68k
0.01
0
10p
3.3k
10
HVU202
HVU202
47
6.3V
∗
∗
AM IFT
DTA124EKA
1
2
3
4
5
151
152
153
154
155
VSS
VDD1
VDD2
P2
XOUT
XIN
CLK
DATA
CD
P0
P1
FM RF
FM OSC
L3
AM
ANTENNA
FERRITE-ROD
AM OSC
FM/AM FRONT-END,
FM/AM DET,MPX
FM/AM PLL
TUNER B+
SWITCH
Q51,52
LOW-PASS
FILTER
FM IN
AM IN
IF IN
(2/4)
AM
FM
TUN
IF
GND
AFC(U)
AGC
AGC
AFC(L)
RIPPLE
FILTER
OUT
OUT
ST
IND
PILOT
PILOT
PLL
F.E
GND
FM
AM
FM
RF
REG
FM
OSC
AFC
MUTE
DISCRI
VCO
MPX
REG
PLL
GND
OSC
AM
BAND
LPF
LPF
RCH
LCH
+B
ANT
ING
ANT
IFIN
IFIN
MIX
OUT
SW
PD
LAT
B.P.F.
(FEG)
(FMIN)
(TU-+B)
(STVCO)
DET LPF
DET LPF
∗
C28,30
0.01(US,CND)
4700p(AEP)
∗
C29,31
1000p(US,CND)
2200p(AEP)
(Page 20)
(Page 23)
Ver. 1.1
ICF-CD523
22
22
ICF-CD523
6-5. SCHEMATIC DIAGRAM – MAIN Section (3/4) –
•
See page 25 for Waveforms.
•
See page 26 for IC Block Diagrams.
C501
CN701
W701
W501
M591
S591
M592
CN503
C705
R703
C703
C704
R701
R702
C701
C702
C521
C524
TP568
C526
R522
CN501
C527
C518
R517
C523
TP513
R521
C525
IC701
C519
C520
C522
R518
R523
R524
R525
R526
R527
R528
R530
C528
R532
R531
R529
C529
C531
C530
C533
C532
C534
C535
C502
R502
C503
R504
R501
C508
C507
R506
C510
R505
R508
R509
R510
C509
C511
C506
C505
C504
R503
C537
R591
C591
R597
R592
R593
C592
R596
R595
C593
C594
C595
R580
C562
R563
R564
R562
C560
R594
C559
R560
C558
R559
C585
C515
C514
R558
R512
C513
C512
R511
C563
R514
C516
C517
R579
R557
R516
C587
IC501
R515
L701
47
µ
H
R301
C301
C557
R554
R555
R556
R553
R552
R551
C556
C555
C554
C553
C552
C551
IC551
C598
C564
R565
C565
C566
C567
C568
R569
R568
C569
R566
C571
C573
C577
R574
R575
R576
C578
C579
C580
C582
C583
C581
R578
C584
C586
C302
R204
R104
R303
C539
R513
D301
Q301
D701
L301
D302
JC501
D501
JC552
JC551
C574
X501
C575
R572
C561
R561
JC504
R520
R519
Q501
JC503
JC502
C588
C538
C596
BP505
IC591
BP501
BP502
L703
S701
M701
L702
47
µ
H
47
µ
H
C708
R302
C570
R570
0.1
5P
5P
6P
6P
0.1
33
0.01
0.01
10k
10k
470
10V
10V
0.01
47
10V
22
25V
47
10V
10
16P
1000p
0.033
270k
0.01
4.7k
12p
BA6208
0.01
0.01
0.01
33k
82k
100k
100k
100k
100k
82k
150k
0.047
220k
150k
330k
6800p
4700p
0.01
47
10V
0.01
0.022
0.1
0.033
10k
2200p
680k
7.5k
0.033
10
50V
68k
10p
510k
150k
47k
12k
0.018
3.3
50V
50V
0.1
0.1
0.1
8.2k
1000p
3.3k
2200p
330k
220k
22k
0.01
12k
33k
0.015
470
10V
10V
100
10V
10V
1k
0.22
220k
10k
1M
470p
33k
100 10V
1k
0.47
3.3k
0.01
47
10V
0.01
47k
180k
47p
0.068
22k
0.01
10k
0.01
100p
10k
47k
10k
0.01
CXA1992BR
10k
47k
0.01
0.022
1k
4.7k
1k
1k
1k
1k
100p
470p
100p
100p
100p
100p
CXD2589Q
100p
C599
100p
100p
0.01
1k
100p
100
10V
10V
0.01
0.01
12k
12k
0.01
10k
150p
0.01
150p
12k
12k
12k
680p
0.01
100
10V
10V
0.1
1000p
0.01
10k
100
10V
10V
0.1
100
10V
10V
1.5k
1.5k
12k
100p
150k
1SS119
KTA1271
1N4002B
1SS119
JC501
0
1SS119
0
0
33p
16.9344MHz 33p
220
220p
10k
0
1M
15k
KTA1271
0
0
0.1
100p
4.7
50V
50V
BA5826P
0.1
470
680p
12k
51
52
53
54
55
56
57
58
59
60
61
101
102
103
104
105
106
107
108
C
1
C
2
C3
C4
C
5
C
6
C
7
C
8
D1
D2
D3
D4
D5
D
1
D
2
D
3
D
4
D
5
X1
X2
X3
X4
X
1
X
2
X
3
X
4
Y1
Y2
Y3
Y4
Y
1
Y
2
Y
3
Y
4
E
D
A
B
C
F
LD
VR
F+
T+
T-
F-
CD-VC
CD-VCC
NC
A OUT
B OUT
VCC
GND
NC
A IN
B IN
NC
CL-SW
OP-SW
+6V
CL-SW
OP-SW
+6V
SL-
SL+
SLIN
RESET
REGB
REGO
MUTE
GND
SPIN
SP-
SP+
GND
SPO
(SPIN)
GND
F-
F+
FIN
VREF
VCC
VCC
TIN
T-
T+
VREF
(TIN)
(FIN)
PD2
PD1
PD
LD
RFIC
CP
CB
CC1
CC2
FOK
VCC
ISET
FE BIAS
F
E
EI
VEE
LPFI
TEI
ATSC
TZC
TDFCT
VC
FZC
FEO
FEI
FDFCI
FCO
SRCH
TGU
TG2
FSET
FLB
PCM
D
BCK
VSS
VDD
XTSL
C4M
DOUT
ENPH
EXCK
VSS
LRCK
BIAS
RF
AVDD
CLTV
AVSS
PCO
VCTL
VI6M
TES0
TES1
VCK1
VDD
AVSS
AVDD
AOUT1
AIN1
AVSS
XVDD
AVSS
AIN2
AOUT2
AVDD
AVSS
XRST
VDD
XVSS
VSS
VDD
FOK
CNIN
SEIN
RM
UTE
LM
UTE
VSS
PD
E
D
A
B
C
F
LD
VR
F+
T+
T-
F-
CD-VC
CD-VCC
PD
SP+
SP-
SW
GND
SL+
SL-
SP+
SP-
SW
GND
SL+
SL-
(LOADING)
(LIMIT)
(SPINDLE)
(SLED)
DETECTOR
LD
PD
LASER
DIODE
(TRACKING)
(FOCUS)
2-AXIS
DEVICE
TEO
CD B+
SWITCH
LOADING
MOTOR DRIVE
RF AMP,
FOCUS/TRACKING
SERVO,SELD SERVO
Q501
AUTOMATIC
POWER CONTROL
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
MOTOR DRIVE
DIGITAL SIGNAL PROCESSOR,
CLV SERVO,D/A CONVERTER
SPOB
CLKO
XLTO
DATO
MDP
PWMI
VPCOI
FILO
FILI
ASYI
ASYO
LRCKI
PCM
DI
BCKI
C2PO
ENPHI
SBSO
XTAI
XTAO
(RF)
(GND)
OP-MO
OP-MO
OP-MO
OP-MO
(3/4)
XLON(M
UTE)
SPOA(LIM
IT)
CLOK(I)
XLAT(I)
DATA(I)
SENS(O)
SQSO(O)
SQCK(I)
LOUT(R)
LOUT(L)
SYSM(MUTE)
VFCK
SCOR(O)
M
NT3
M
NT0
M
NT1
GND
GND
RF O
RF I
RF M
SENS2(O)
SENS1(O)
C.OUT(O)
XRST(I)
DATA(I)
LOCK(I)
CLK(I)
XLT(I)
SL O
SL M
SL P
TA O
TA M
FE M
FE O
SPIN
DISC TRAY
OPEN/CLOSE
DETECT
CLOSE
OPEN
2.2
µ
H
(US,CND)
(US,CND)
(AEP)
(US,CND)
(AEP)
(Page 20)
(Page 23)
Ver. 1.1
ICF-CD523
23
23
ICF-CD523
6-6. SCHEMATIC DIAGRAM – MAIN Section (4/4) –
•
See page 26 for IC Block Diagrams.
R111
Q103
T901
Q101
Q102
Q201
Q202
R206
R106
C359
R355
C108
R113
R213
Q203
R209
R208
C205
R207
R210
R109
R108
C105
R110
R107
C104
C103
Q302
C307
R307
C305
R308
R102
R202
R251
C123
C223
C152
C352
C252
R253
C351
C921
C919
D910
C918
C915
R909
D909
C914
C913
R903
R902
L902
L901
C909
R256
R353
R352
C362
C367
C366
C363
C356
C357
C122
C222
C255
C155
C953
C209
C109
R114
R214
D303
Q104
Q204
C203
C204
IC301(2/2)
R211
C206
C106
C304
R306
R305
C303
IC301(1/2)
CN303
W301
R117
R116
C111
CN301
KH901
CN901
RV301
C211
R216
R217
R228
C212
R229
R231
R131
C112
S301
R112
C119
R129
R901
C901
C905
C906
C907
C908
C902
C910
C911
C912
Q901
R156
R153
R252
R152
R351
R354
C917
C916
R906
C353
C358
C364
C219
R212
JC101
JC201
R127
R227
C208
C102
C202
R309
C306
Q205
Q105
R128
C110
C210
SP201
SP101
JC554
JC553
R105
R205
R151
R154
R254
C251
C151
C224
C124
D351
D901
D903
D904
D905
D906
D907
D908
D902
IC351
R916
R915
R904
JC901
R907
R919
Q902
R920
JC902
10k
2SC2412K
2SC2412K
2SC2412K
2SC2412K
2SC2412K
1k
1k
0.47
1M
1000p
1k
1k
2SC2412K
150k
33k
0.22
1.5k
680k
150k
33k
0.22
680k
1.5k
0.047
0.047
DTA124EKA
100p
2.2k
4.7
50V
50V
100k
10k
10k
3.3k
100p
100p
4.7
50V
50V
0.022
4.7
50V
50V
270k
0.01
0.01
220
10V
10V
MTZJ-T
-77-6.8A
0.01
220
10V
10V
100
MTZJ-T
-77-5.6A
0.01
6800
16V
100k
100k
10
50V
33k
1k
10k
100p
100p
100p
100p
10
50V
1000p
100p
100p
1000
10V
1000
10V
100p
1000p
1000p
1k
1k
DAP202K
2SD1757K
2SD1757K
0.047
0.047
BA4558F
10k
100p
100p
47
6.3V
10k
10k
47
10V
BA4558F
7P
7P
470k
1k
1
4P
2P
2P
20k
1
1k
470k
100
2.2
4.7k
0
0
2.2
4.7k
4.7
50V
50V
4.7k
100
0.01
0.01
0.01
0.01
0.01
0.01
0.47
50V
47
35V
0.01
2SD2396K
33k
270k
1k
1k
4.7k
47k
0.01
470
10V
1k
4.7
50V
100
10V
100p
4.7
50V
50V
4.7k
0
0
47k
47k
1000p
1500p
1500p
10k
0.1
2SC2412K-S
2SC2412K-S
100
1000p
1000p
0
0
2.2k
2.2k
3.3k
3.3k
3.3k
0.01
0.01
4700p
4700p
1SS119
1SS119
1SS119
1SS119
IN4002B
IN4002B
IN4002B
IN4002B
1SS119
LA4629
1k
1k
1
0
1
1k
2SD2396K
1k
0
6
7
8
101
102
103
104
105
106
107
108
151
152
153
154
155
BASS
+5V
L IN
R IN
R OUT
GND
L OUT
P
R
E
G
N
D
N
C
R
C
H
IN
L
C
H
IN
P
P
F
IL
T
E
R
S
T
B
Y
N
C
P
W
R
G
N
D
L
C
H
O
U
T
V
C
C
R
C
H
O
U
T
RCH
GND
GND
LCH
AC
AC
BASS
+5V
L IN
R IN
R OUT
GND
L OUT
VCC
GND
MEGABASS AMP
AGC
AGC
MUTING
MUTING
MUTING
CONTROL
SWITCH
LINE AMP
(FOR TUNER)
LINE AMP
(FOR CD)
LINE AMP
(FOR TUNER)
LINE AMP
(FOR CD)
LINE AMP
LINE AMP
-2
-1
MEGA BASS
ON
OFF
POWER
TRANSFORMER
POWER AMP
+6V
REGULATOR
REGULATOR
+5V
(R-CH FRONT SPEAKER)
(L-CH FRONT SPEAKER)
(4/4)
(AC IN)
VOLUME
RV301
(AEP)
(AEP)
(US,CND)
TM901
TM902
(Page 20)
(Page 22)
(Page 21)
Ver. 1.1
ICF-CD523
24
24
ICF-CD523
E C B
Q105
E C B
Q205
C110
R231
C212
C210
R216
R217
R228
R229
R131
RV301
C211
R116
C111
R117
R128
C112
R129
R309
C306
W301
1
7
JW341
JW342
JW343
M701
(LOADING)
M
C708
L703
L702
CN701
1
5
S701
DISC TRAY
OPEN/CLOSE
DETECT
OPEN T CLOSE
1-689-833-
LOADING BOARD
W301
S591
M592
1
6
M
M
M591
MOTOR BOARD
1-869-419-
(11)
11
(11)
11
JW901
CN901
1
2
T901
POWER
TRANSFORMER
JW902
JW903
TM902
TM901
TRANS BOARD
1-869-417-
(11)
11
VOLUME BOARD
1-869-416-
(11)
11
S301
MEGA BASS
ON t OFF
MAIN
BOARD
CN303
B
-2
-1
w
VOLUME
MAIN BOARD
W701
E
(LIMIT)
(SLED)
(SPINDLE)
MAIN BOARD
CN503
F
(AC IN)
MAIN BOARD
KH901
A
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
(AEP)
(US, CND)
(AEP)
(US, CND)
6-7. PRINTED WIRING BOARDS – MOTOR/VOLUME/TRANS Section –
•
See page 17 for Circuit Boards Location.
: Uses unleaded solder.
(Page 18)
(Page 18)
(Page 18)
(Page 18)
Ver. 1.1
Click on the first or last page to see other ICF-CD523 service manuals if exist.