Sony ICF-CD553RM Service Manual ▷ View online
ICF-CD553RM
21
21
R61
R59
R54
R53
R52
R51
R81
R82
TP
JW21
CNP2
C62
R58
R64
C63
C77
R66
JW13
C66
D22
R63
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
C51
Q13
R67
R70
R41
R42
C52
R37
C41
C40
R26
C37
C35
C39
C36
R25
R22
R20
D17
R23
C21
D24
C19
D2
R24
FB5
C18
D1
C89
FB4
R17
R16
C14
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
JW4
BPF1
TP
D13
JW3
C34
R1
R3
C1
C2
C3
T1
C5
C6
C7
R6
JW2
C90
C4
C87
C85
D11
D10
D23
C86
TP
C64
JW18
C72
R62
JC12
JC9
JC8
JC10
R68
IC2
R84
JC6
JC7
C91
C92
C10
C9
CF2
CF4
JC3
JC4
IC1
JW5
CT5
JC5
C16
C15
CT2
C13
D14
D15
L2
L1
L3
L4
R19
CT4
CT3
C22
JW
7
JW
6
JC2
JW25
C67
C83
C53
R75
R18
R15
R2
R5
JW
11
JW
9
T2
C11
JC1
220
2.2k
2.2k
2.2k
2.2k
2.2k
100
100
(VT)
11P
1000p
1k
10k
1000p
1000p
1k
220
10V
10V
KDZ3.3V
680
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
0.022
KV1471E
22p
100k
1k
0.022
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
4.7
50V
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
L31
10
µ
H
0
0
0
4.7k
LC72137M-TLM
4.7k
0
0
100p
100p
0.022
0.022
0
0
TA2149BN
0
0.01
22p
0.01
KDS114-RTK
KDS114-RTK
1k
47p
0
0.01
0.001
0.1
10k
680
680
330
470
6p
0
A1
A2
A3
A4
A1
A2
A3
A4
VT
C
E
D
I
C
L
D
O
S
T
-IN
D
IF
IN
X
O
U
T
X
IN
LP
-O
U
T
L
P
-IN
P
D
V
SS
V
D
D
FM
IN
A
M
IN
TV
-H
FM
/T
V
-L
TV
-H
/W
B
AM OSC
FM OSC
VCC1
R-OUT
L-OUT
QUAD
GND2
AM
FM
VCC2
AGC
LPF1
/BAND
LPF2
/MO-ST
GND1
FM
AM
FM
A
M
L
O
W
C
U
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
AM IFT
1
5
TV ON
SWITCH
SWITCH
FM ON
SWITCHING
RF OUT
RF IN
MIX OUT
RF IN
IF IN
IF IN
OSC OUT
ST IND
IF OUT
DET OUT
MPX IN
FM
/A
M
M
O/S
T
OSC
BUFFER
MUTE
COUNT
LCH
R +B
RCH
GND
FM/TV
RF
RF
TV/WEATHER
FM/TV
TV/WEATHER
PLL CLK
PLL DATA
PLL CE
IFT
FM/TV/WEATHER
L17
10
µ
H
L13
10
µ
H
L14
10
µ
H
L15
10
µ
H
L16
2.2
µ
H
L11
10
µ
H
L12
10
µ
H
C20
22p
22p
6-8.
SCHEMATIC DIAGRAM – TUNER Section –
•
See page 28 for Waveform.
•
See page 28 for IC Block Diagrams.
(Page 27)
(Page 25)
Ver. 1.3
ICF-CD553RM
22
22
Q958
B C E
Q957
Q956
B C E
C964
R967
R953
C951
R961
C963
C968
R965
R966
R968
C348
R963
C966
A/K
D958
Q952
B C E
A/K
K
D951
D960
KA
D953
C956
C961
R959
C960
R956
C957
C953
D957
K
A
D955
K
A
R101
R102
R138
R105
R238
C326
C325
C108
C206
C207
R210
R209
C107
C106
R110
R109
R113
R214
R114
R213
C208
R215
R241
R207
R115
R141
R107
R201
R202
R104
R951
R960
R962
Q955
B C E
C102
C205
C105
R205
R204
C202
R106
R206
C203
C103
C201
C101
Q202
B C E
Q102
B C E
D203
D103
A
K
A
K
R128
R111
R211
R228
C309
C344
R304
R305
C345
R306
C346
R307
C347
R308
R132
C133
R119
C131
C132
C134
C234
C231
C323
C324
C311
C338
R309
C317
R314
R313
C354
C335
R310
C318
R338
R339
C353
C319
C313
C315
C232
R219
C233
R232
R336
R112
R212
R134
R131
R133
R234
R316
C321
IC302
R315
R231
R233
JC403
R322
E C B
Q101
E C B
Q201
E C B
Q104
E C B
Q204
E C B
Q305
E C B
Q304
IC303
IC401
C316
R311
R324
R447
R460
C413
R444
R443
R455
R457
R453
R451
C409
C410
C411
C412
R445
R446
R448
R497
C408
C407
R498
R442
R434
R432
R430
R435
R433
R431
R429
R427
R425
R424
R423
R421
R419
R417
R415
R413
R411
R428
R426
R408
R406
C404
C402
C401
R405
C403
R403
C442
R401
R485
R484
R483
R482
R481
C431
C430
C444
R490
C443
C341
R332
R337
R493
C433
R452
C432
R422
R420
R418
R416
R414
R412
R410
R491
R496
R450
R461
R463
R464
R465
R467
R466
R468
R469
R470
R471
C414
C419
C418
C420
R486
R472
R474
R475
C425
C426
C427
R479
R480
R476
R477
C423
C424
R478
C428
C429
R488
C446
C447
R487
C415
C356
R312
E C B
Q303
R301
C303
R302
Q302
B C E
C449
R489
C417
C416
JC401
R459
JC402
R462
R499
C405
C451
R441
R440
R439
R438
R437
R436
C450
R449
L401
L402
C342
R331
C339
R330
R494
R495
C301
E C B
Q308
IC402
Q401
B C E
C350
C351
C352
+
1
2
1
9
D303
JW387
JW388
JW390
R964
R952
D959
Q951
D952
C967
+
C965
+
C954
+
C952
+
C969
+
JW392
JW393
JW394
R955
R958
R954
D956
D954
Q954
C959
+
C962
+
C955
+
C958
+
C122
+
C222
+
C123
+
C223
+
C320
+
C322
+
Q953
JW389
JW382
JW386
JW384
CN412
JW391
JW385
JW380
JW375
JW374
JW383
JW381
JW378
JW379
JW373
C110
+
C210
X301
+
C310
+
C314
+
C308
+
C111
C211
+
+
1
2
1
13
CN411
1
2
17
16
CN403
1
2
16
CN410
CN303
JW377
JW372
JW368
JW367
JW370
JW371
JW365
JW364
JW363
JW362
JW361
JW354
JW353
JW347
JW346
JW345
JW355
JW356
JW344
JW352
JW351
JW350
JW349
JW348
JW343
C406
+
JW357
JW358
JW359
JW319
JW320
JW323
JW318
JW324
JW325
JW326
JW339
JW340
JW327
JW328
JW329
JW321
JW322
JW317
JW331
JW330
JW312
JW313
JW314
JW315
JW316
JW366
JW360
JW307
JW308
JW301
JW302
JW303
JW304
JW305
JW306
JW369
Q301
L301
JW341
JW338
JW337
JW336
JW335
JW334
JW342
1
2
13
14
CN408
IC304
X402
X401
D402
D401
C445
+
C340
+
C434
+
JW310
JW311
JW309
JW333
JW332
C305
+
1
1
2
5
CN406
CN402
1
11
1
2
CN401
MAIN BOARD
(11)
11
1-861-838-
A
K
MOTOR BOARD
G
CD-CLOSE
BOARD
F
AMP BOARD
D
LCD BOARD
CN404
K
LCD BOARD
CN405
J
1
12
24
13
1
16
32
17
41
40
21
20
60
61
80
1
CD BOARD
CNP702
A
TUNER BOARD
CNP2
C
CD-OPEN
BOARD
E
MIC1
MIC
FRONT-KEY
BOARD
H
3
1
2
15
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A
KA
R333
6-9.
PRINTED WIRING BOARD – MAIN Board –
•
See page 17 for Circuit Boards Location.
:Uses unleaded solder.
D103
F-10
D203
F-10
D303
G-14
D401
D-3
D402
D-3
D951
F-12
D952
F-12
D953
F-12
D954
D-12
D955
D-12
D956
B-12
D957
C-12
D958
F-13
D959
F-13
D960
F-13
IC302
E-9
IC303
F-7
IC304
H-15
IC401
F-4
IC402
E-2
Q101
G-9
Q102
F-10
Q104
F-9
Q201
G-8
Q202
F-10
Q204
F-8
Q301
B-5
Q302
B-4
Ref. No.
Location
Ref. No.
Location
•
Semiconductor Location
Q303
E-7
Q304
G-8
Q305
G-9
Q308
C-2
Q401
G-2
Q951
F-12
Q952
F-12
Q953
D-12
Q954
C-12
Q955
F-12
Q956
F-14
Q957
F-13
Q958
F-13
Ref. No.
Location
(Page 18)
(Page 20)
(Page 18)
(Page 23)
(Page 23)
(Page 23)
(Page 26)
(Page 18)
(Page 18)
Ver. 1.3
ICF-CD553RM
23
23
R634
R633
S617
R632
R631
R630
R629
R628
R627
R622
R621
R626
R625
R624
R623
R620
R619
R610
R609
R618
R617
R616
R615
R614
R613
R612
R611
R608
R607
R606
R605
R604
R603
R602
R601
S613
S611
S612
S610
S605
S609
S602
S601
1
5
1
2
(11)
11
1-861-827-
R636
R635
S618
1
2
(11)
11
1-861-828-
SIDE-KEY BOARD
FRONT-KEY BOARD
CLOCK
TP603
R651
R655
R654
C680
C652
C681
C651
R653
C653
E C B
Q651
C679
C678
C677
C676
C675
C674
C673
C672
C671
C661
C660
C670
C669
C668
C667
C666
C665
C664
C663
C662
C657
C656
C655
C654
C659
C658
S651
ROTARY ENCODER
IC651
JW653
D651
(LCD BACK LIGHT)
D653
CN405
1
2
15
16
JW652
JW651
JW654
1
26
LCD651
(LIQUID CRYSTAL DISPLAY)
JW655
1
17
2
16
CN404
LCD BOARD
(11)
11
1-861-832-
1
3
TIMER PUSH
START/STOP
– +
START/STOP
– +
TIMER
D652
(LCD BACK LIGHT)
MAIN BOARD
CN410
J
MAIN
BOARD
CN403
K
MODE
1
2
3
4
5
–
+
VOLUME
SOUND
PRESET TUNING/MESSAGE
STATION SELECT/ PRESET
S608
S607
S606
S604
S603
TUNE/TRACK
REC/STOP
PLAY/STOP
MESSAGE
–
+
TIME SET
CD OPEN
/CLOSE
S616
S615
S614
CD
OFF
RADIO ON
BAND
MAIN BOARD
CN406
H
6-10. PRINTED WIRING BOARDS – PANEL Section –
•
See page 17 for Circuit Boards Location.
:Uses unleaded solder.
(Page 22)
(Page 22)
(Page 22)
ICF-CD553RM
24
24
C654
C655
C656
C657
C658
C659
C660
C661
C662
C663
C664
C665
C666
C667
C668
C669
C670
C671
C672
C673
C674
C675
C676
C677
C678
C679
R653
C681
C653
R654
C680
R403
R406
C402
C401
R405
C403
R401
R444
R445
R446
R494
R495
R443
R424
R410
R411
R412
R413
R414
R415
R416
R417
R418
R419
R420
R421
R422
R423
Q401
R499
R498
R496
R497
C405
C406
C407
C408
R442
C409
C410
C411
C442
C412
R448
R450
R451
R453
R455
R457
IC402
C446
R472
C447
D401
D402
R481
C423
C424
C425
C427
C426
R493
R452
R479
R478
R477
R476
R475
R474
R480
R482
R483
R484
R485
C431
C430
R460
C414
R462
R463
R461
R464
R465
R466
R467
R468
R469
R470
C415
C417
C418
C419
C420
R425
R426
R427
R428
R429
R430
R431
R432
R433
R434
R435
R436
R437
R438
R439
R440
L401 100
µ
H
C450
C451
CN401
CN411
C449
R489
C445
S603
S604
S606
S607
S608
S610
S612
R601
R602
R603
R604
R605
R606
R607
R608
R609
R610
R611
R612
R613
R614
R615
R616
R617
R618
R619
R620
R621
R622
R623
R624
R625
R626
R627
R628
R629
R630
R631
R632
R633
R634
R635
R636
CN406
C443
R487
R490
C444
R447
R651
LCD651
CN404
CN403
CN410
D651
D652
D653
IC651
C428
C429
X402
R408
IC401
µPD789478GC
R488
R449
JC402
R491
S703
S702
R655
C434
C413
R486
CN405
S651(2/2)
Q651
C651
C652
S651(1/2)
S605
S602
S601
S609
S614
S613
S615
S616
S617
S611
TP603
S618
R441
C416
JC401
R471
R459
C404
C433
C432
X401
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
1K
0.1
1000p
10k
0.1
10k
100k
2.2
0.01
100k
2.2
22k
100
100
100
22k
47k
100
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
2SC4081T106R
1k
1k
10k
10k
0.01
470
10V
2.2
0.01
1k
0.01
0.01
0.01
0.01
0.01
10k
220k
100k
100k
100k
100k
XC61CN2002MR
0.1
1k
0.01
1SS119
1SS119
10k
100p
0.01
220p
220p
220p
220k
4.7k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
22p
22p
1k
100p
10k
1k
1k
47
100
100
100
10k
1k
1k
100p
100p
100p
100p
0.01
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
1k
1k
1k
1k
1k
100p
100p
2P
2P
2200p
0
470
10V
10V
22k
100k
47k
47k
47k
470k
100k
220k
220k
470k
22k
47k
22k
100k
47k
47k
47k
470k
100k
220k
220k
470k
22k
47k
22k
100k
47k
47k
47k
470k
100k
220k
220k
470k
22k
47k
5P
0.1
100k
2.2k
0.1
220k
47
17P
17P
16P
TLFGE53T
TLFGE53T
SLR-342DU
SPS-442-VP
100p
100p
32.768KHz
100k
-A28-8BT
1k
10k
0
10k
100
470
10V
10V
0.01
220k
16P
DTA124EUA-T106
0.01
0.01
1k
100p
0
10k
1k
2.2
2.2
0.01
4.19MHz
L402
100
µH
A1
A2
A3
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
S
E
G
0
S
E
G
1
S
E
G
2
S
E
G
3
S
E
G
4
S
E
G
5
S
E
G
6
S
E
G
7
S
E
G
8
S
E
G
9
S
E
G
1
0
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
S
E
G
0
S
E
G
1
S
E
G
2
S
E
G
3
S
E
G
4
S
E
G
5
S
E
G
6
S
E
G
7
S
E
G
8
S
E
G
9
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
S
E
G
1
6
S
E
G
1
7
S
E
G
1
8
S
E
G
1
9
S
E
G
2
0
S
E
G
2
1
KEY0
KEY1
KEY2
KEY3
D
I
C
E
C
L
W
R
Q
D
O
R
E
S
KEY1
KEY2
KEY3
KEY0
RC
RC
PLL_CLK
PLL_DATA
PLL_CE
COUNT
D
R
F
BUSY
RESET
CS
SK
SO
SI
CDON
RADIOON
AMUTE
VOLDAT
VOLCLK
LIQUID CRYSTAL DISPLAY
S
E
G
21
S
E
G
20
S
E
G
19
S
E
G
18
S
E
G
17
S
E
G
16
S
E
G
15
S
EG
14
S
EG
13
S
E
G
12
S
E
G
11
S
E
G
10
S
E
G
9
S
E
G
8
S
E
G
7
S
E
G
6
S
E
G
5
S
E
G
4
S
E
G
3
S
E
G
2
S
E
G
1
S
E
G
0
C
O
M
3
C
O
M
2
C
O
M
1
C
O
M
0
KE
Y
3
K
E
Y
2
K
E
Y1
K
EY
0
AV
S
S
AC
IN
BU
Z
Z
ER
XR
S
T
C
D
C
E
CD
C
L
K
CD
D
A
T
A
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
AVDD
FSEQ
X2
X1
VSS0
VDD0
XT2
XT1
VOL DAT
VOL CLK
NC
N
C
V
L
C
2
V
L
C
1
V
L
C0
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
S
E
G
0
SE
G
1
S
E
G
2
S
EG
3
S
E
G
4
SE
G
5
SE
G
6
SE
G
7
S
E
G
8
S
E
G
9
SEG10
(1/2)
ICO
RADIO CLK
RADIO DATA
RADIO CE
COUNT
CD OPEN
D
R
F
C
D
D
A
TA
I
N
C
D
C
LO
S
E
R
C
E
N
C
O
D
E
-
ENCODE+
MEMO SI
MEMO SO
MEMO SK
MEMO BUSY
2
1
2
1
2
1
1
2
(LCD BACK LIGHT)
D651,652
LED DRIVE
TIMER
ROTARY
ENCODER
O
G
I
REMOTE CONTROL
RECEIVER
SYSTEM CONTROLLER
MUTE
W
R
Q
MEMO CS
MEMO RESET
RESET
CD ON
RADIO ON
TIMER
LED
A MUTE
G
VIN
RS
T
RESET SIGNAL
GENERATOR
5
1
SIRCS
BUFFER
CD TRAY
OPEN
DETECT
CD TRAY
DETECT
CLOSE
+
-
TIMER
PUSH
START/STOP
PRESET
5
1
2
3
4
/
SELECT
S603
S604
STATION
PRESET TUNING/MESSAGE
SOUND
MODE
VOLUME +
S606
S607
S608
VOLUME -
REC/STOP
PLAY/STOP
MESSAGE
CD
RADIO ON
BAND
OFF
CD OPEN
/CLOSE
TUNE/TRACK
S612
S610
TIME SET
-
+
CLOCK
CD OPEN DET
C
D
C
LO
SE
D
ET
P
O
W
E
R
O
N
A15
6-11. SCHEMATIC DIAGRAM – MAIN Section (1/2) –
•
See page 28 for Waveforms.
•
See page 32 for IC Pin Function Description.
(Page 25)
Ver. 1.3
Click on the first or last page to see other ICF-CD553RM service manuals if exist.