Read Sony ICF-CD873L (serv.man2) Service Manual online
ICF-CD873L
3
3
S424
RV302
MEGA BASS
1
2
6
7
CN302
-1
-2
RV301
VOLUME
R486
R483
R487
R484
R488
R485
D422
D419
D423
D420
D424
D421
D419 - 424
(LCD BACK LIGHT)
M
M571
(SPINDLE)
M
M570
(SLED)
S570
(LIMIT)
1
7
BH570
C468
C471
C465
C470
C470
R18
L5
C31
C27
C25
C30
R17
C29
R20
C472
W8
L403
C512
C513
C513
R542
C537
C537
R507
C507
C508
R508
R508
C509
R511
R513
R510
R512
R498
R469
R476
C541
R546
R547
R547
C542
C511
C506
R506
C504
C503
C502
C501
C501
R505
C534
C530
C528
C532
R533
C531
C528
C532
R533
C531
C526
C525
C527
R531
R532
C529
R530
R529
R503
R501
R504
C65
C23
IC1
C32
R19
C20
R15
R14
R12
C464
C3
R3
D3
K
A
KA
R13
E C B
Q2
R10
C4
R2
C16
C1
D2
R1
C22
R16
R7
C50
IC50
C53
R50
C54
C55
R52
R51
R8
C13
R11
C14
C15
C10
C36
C12
R6
D4
C66
R4
R9
C6
R5
Q1
B C E
R55
R54
R53
R57
C58
C57
C56
C64
C62
E C B
Q50
C59
R59
R60
K
A/K
A
D1
C7
C521
C520
R516
R518
R518
C518
C519
C519
R517
R534
C516
C517
IC501
C533
R536
R538
C522
R523
R520
R502
R525
R521
R519
R524
C523
R535
R537
R539
R541
C564
C536
C562
C561
R540
C563
C568
R554
C565
C566
C567
R553
E C B
Q501
R555
R556
C555
R559
R558
C554
R557
R551
R550
C552
R549
C553
R552
IC502
IC503
R548
C548
C547
C547
C550
C549
C412
R436
R435
R434
R433
R432
E C B
Q401
KA
D413
KA
D412
R454
R455
R453
R458
R459
R460
R461
R462
R463
R464
R465
R466
R467
R468
R401
R402
R403
R404
R405
R406
R407
R408
R409
R410
R416
R417
R418
R450
R456
R451
R457
C427
IC401
C421
C420
R444
R443
R441
C437
C410
C407
C408
R431
R430
R427
C409
R429
R428
R426
R489
R425
R424
C444
R490
C445
R423
Q405
B C E
Q403
R440
R471
C438
R411
R412
R413
R414
C401
C402
C403
R421
C402
C403
R421
R474
E C B
Q602
E C B
Q601
R323
E C B
Q320
R120
C322
R122
C323
IC320
C556
R102
R101
R101
C101
R104
R103
R103
C102
R106
R105
R105
R302
R202
R201
R201
C551
C201
R204
R203
C202
R206
R205
R207
C203
R303
C301
C301
C204
R208
R208
A
K
D321
K
R320
R321
C321
R322
E C B
Q321
R472
R482
R439
R220
C220
E C B
Q220
C423
R449
R448
R452
R447
C425
R445
E C B
Q402
R446
C426
C433
R56
C61
C9
C2
C5
L50
R514
C515
R544
C543
R543
C560
IC301
R420
R419
R108
C104
C104
C105
R480
R470
R481
R209
R109
R110
R210
L302
C205
C557
D414
KA
C539
R545
C538
C436
C467
B C E
Q406
K A
D417
Q404
B C E
B C E
C544
C545
C67
C411
R473
R477
R478
R478
R479
C413
R442
K A
D320
E C B
Q120
C120
C324
R221
R324
R325
R222
C559
D416
AK B C E
0407
1
15
16
30
1
8
9
16
8
5
1
4
1
12
13
24
25
36
37
48
1
24
25
40
41
64
65
80
1
7
8
14
15
22
21
28
1
20
21
40
41
60
61
80
1
4
8
5
1
7
8
14
CN401
C26
+
+
C28
+
C24
CF1
T1
D403
D404
D401
D402
+
+
C19
C21
+
C18
CF3
RV1
L4
AM OSC
S423
CT2
CT3
C60
C63
+
CT4
CT1
+
C51
C17
+
+
+
C52
L2
FM
OSC
L1
FM RF
CF2
C505
+
+
C510
+
C514
+
C535
+
C540
L501
+
C524
Q502
E C B
1
CN501
15
2
15
16
RV502
RV501
L503
X501
BPF1
IC402
C434
L504
C432
+
L401
D415
C429
+
+
C435
CT401
X402
X401
L502
D501
FB501
+
+
C546
C302
+
C558
CN502
1
6
+
C121
C320
+
+
C221
CN301
1
2
6
7
10
1
W707
10
1
W706
L301
+
C303
1
24
LCD401 LIQUID CRYSTAL DISPLAY
1
2
9
10
D407
L3-1
(MW)
L3-2
(LW)
L3
MW/LW
FERRITE-ROD ANTENNA
X50
L505
(COMPONENT SIDE)
VOLUME BOARD
(COMPONENT SIDE)
MAIN BOARD
(CONDUCTOR SIDE)
MAIN BOARD
(CONDUCTOR SIDE)
VOLUME BOARD
(COMPONENT SIDE)
MOTOR BOARD
(CONDUCTOR SIDE)
MOTOR BOARD
POWER
BOARD
CN303
A
POWER
BOARD
CN304
B
(14)
14
1-673-800-
(14)
14
1-673-804-
(14)
14
1-673-800-
(14)
14
1-673-804-
OPTICAL
PICK-UP
PICK-UP
(KSS-213B)
TP401
(X2)
TP
GND
TP (+15)
TP503
(RF)
TP504
(VREF)
TP13
(FM IN GND)
TP12
(FM IN)
TP50
(VT GND)
TP53
(VT)
TP8
TP7
POWER BOARD
W8
C
LOW
HIGH
BRIGHTNESS
S423
(1/3)
(3/3)
(2/3)
6
5
1
4
D4
BP
(FEO)
BP
(CD TEST MANUAL)
1
2
1
2
PUSH SWITCH
BOARD
S424
CD LID
OPEN/CLOSE
DET
(14)
14
1-673-802-
(14)
14
1-673-803-
3
2
1
1
2
3
LED BOARD
ANT1
FM WIRE
ANTENNA
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
J
K
L
R107
C103
R121
R438 C439
C424
JW571
JW570
JW573
JW572
(14)
14
1-673-798-
(14)
14
1-673-798-
TO KEY BOARD
R58 E C B
Q51
L51
1
3
C428
BP
(CD TEST AUTO)
R475
(AEP)
(UK)
C473
D1
L-12
D2
J-12
D3
J-12
D4
K-13
D320
J-6
D321
J-6
D401
H-11
D402
H-11
D403
H-12
D404
H-12
D412
G-9
D413
G-9
D414
I-8
D415
I-9
D416
H-6
D417
H-6
D419
H-15
D420
H-14
D421
H-14
D422
H-16
D423
H-15
D424
H-14
D501
I-8
IC1
J-12
IC50
K-12
IC301
J-7
IC320
K-6
IC401
H-7
IC402
H-9
IC501
J-10
IC502
I-9
IC503
K-8
Q1
L-13
Q2
K-13
Q50
L-12
Q51
L-12
Q120
J-6
Q220
J-6
Q320
J-6
Q321
J-6
Q401
H-9
Q402
H-8
Q403
I-6
Q404
I-6
Q405
I-6
Q406
H-6
Q407
I-6
Q501
K-9
Q502
K-2
1-2.
PRINTED WIRING BOARDS – MAIN Section –
• Semiconductor
Location
Ref. No.
Location
(Page 6)
(Page
6)
(Page
6)
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