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ICF-CD873
1-3.
SCHEMATIC DIAGRAM – MAIN Section (1/2) –
CN401
10P
KR0
KS3
KR1
KS2
KR2
KS1
KR3
KS0
KR4
GND
S424
(CD LID OPEN/CLOSE DET)
E
D
A
DETECTOR
B
C
F
LASER DIODE
LD
PD
(TRACKING)
2-AXIS
DEVICE
(FOCUS)
(1/2)
LCD401
LIQUID CRYSTAL DISPLAY
A14
A15
(CND)
(US)
(IT)
(AUS)
A16
A17
A18
A19
A20
A21
(US)
A22
D401
1SS120RX
B1
A23
A24
D402
1SS120RX
B2
C427
0.01
D403
1SS120RX
B3
R456
1k
R455
1k
D404
1SS120RX
B4
R454
1k
R453
1k
R448
470k
R452
1k
R447
470k
C468
C471
100p
100p
R498
C465
C470
C473
10k
100p
100p
100p
R446
10k
X601
4.19MHz
CSV
R617
(COMPUTER SOUND VOICE)
R603
1k
1k
PROCESSOR
IC601
MSM6654A
R616
1k
R602
1k
R615
1k
R601
1k
R608
22k
C601
C603
0.01
0.01
R606
1k
C602
R607
1k
220
10V
R605
1k
R604
100
L601
10µH
(US)
R523
22
C525
R519
0.01
22k
C524
Q501
RV501
47
2SC2412K
22k
16V
E-F BALANCE
CONTROL
R521
R520
Q502
22k
22k
2SB1013
AUTOMATIC
POWER
CONTROL
CN501
16P
R525
VC
820k
VCC
R534
82k
E
D
R535
47k
C523
C526
1000p
4700p
A
R536
47k
B
R537
47k
C
R538
47k
R529
150k
R530
220k
F
R539
100k
GND
C527
0.047
R531
470k
R532
100k
LD
C533
1000p
VR
C531
R533
C529
C528
JC501
C530
0.01
330k
0.022
47p
0
0.1
PD
F +
G1
T +
G2
TP504
T -
G3
F -
G4
BP
R501
2.2k
RV502
22k
R502
R504
4.7k
10k
C535
C534
100
0.1
10V
R415
1k
(US)
R401
1k
SEG12
BASS ON
R468
R416
1k
1k
SEG11
COM0
R467
1k
SEG10
COM1
R466
1k
SEG9
COM2
R465
1k
R418
SEG8
COM(NC)
1k
R464
1k
SEG7
BIAS
R463
1k
SEG6
VLC0
R462
1k
SEG5
VLC1
R461
1k
SEG4
VLC2
R460
1k
SEG3
CD ADJ
R459
1k
SEG2
SYSTEM CONTROLLER
CLOCK
R458
1k
IC401
SEG1
XTL
µPD753012AGC-
F17-3B9
SO(NC)
DATA
RESET
VSS
KEYRET4
X RESET
KEYRET3
POWER ON
KEYRET2
CD ON
KEYRET1
R LAT
KEYRET0
AC IN
DOOR IN
CK
COLOR
DATA
SHIFT
CK
R457
1k
R444
R445
1k
10k
TP401
(4.194MHz)
RESET SIGNAL
R443
R441
1k
100k
GENERATOR
C424
18p
Q401,402
L401
10µH
SHIFT
C439
CLOCK
C423
18p
X402
4.194MHz
Q401
CT401
2SD596
C437
10p
0.01
TP GND
C467
C435
C426
C421
C436
C413
R442
R436
C434
Q402
10p
100
(SHIELD)
0.01
27p
0.01
100p
10k
1k
0.47
2SD596
10V
C519
C518
C522
0.047
0.01
10p
R517
TP503
R518
10k
4.7k
R516
C521
15k
2p
C517
C516
0.047
0.01
E1
FEBIAS
SENS
C556
0.1
F
C,OUT
E
XRST
E2
C568
EI
DATA
0.01
E3
VEE
XLT
RF AMP,
E4
TEO
FOCUS/TRACKING
CLK
SERVO,
LPI
VCC
SLED SERVO
R514
150k
TET
ISTE
IC501
CXA1782BQ
ATSC
SL O
TZC
SL N
C515
TDFCT
SL P
47p
VC
TA O
R510
100k
R512
100k
C508
10p
R513
22k
R508
82k
C506
C509
0.047
0.1
R503
10k
R505
470k
R506
R511
100k
47k
C505
C510
C501
C502
C503
C504
R507
C507
4.7
4.7
1000p
0.1
0.1
0.1
470k
0.01
50V
50V
R552
10k
C514
C512
C513
C511
100
0.01
0.1
0.01
10V
4
4
D419
TLYE262A
D420
D417
TLYE262A
1SS355-TE-17
D421
TLYE262A
R419
C402
15k
0.1
R420
C403
15k
0.1
R421
A3
15k
Q406
DTA124EKA
R417
1k
A2
MEGA BASS
C401
A1
0.1
ON DRIVE
C444
1000p
R472
BP
1k
(EXCEPT US)
R480
10k
R474
10k
R476
10k
R477
10k
R423
10k
D1
Q403
R478
10k
R424
1k
D2
2SC2412K
R479
10k
R425
1k
D3
(US)
Q403-405
LED DRIVE
R489
1k
BP
C407
C445
JC401
R473
0.01
1000p
0
100
R490
1k
R426
1k
I2
R427
1k
J1
R428
1k
I4
R429
100
J2
R431
1k
R430
1k
J3
C411
C409
C408
C410
100p
0.01
100p
100p
C429
D414
1SS355-TE-17
C412
C428
330
0.01
0.01
6.3V
TP
(+5V)
Q407
∗
∗
R439
R440
DTA124EKA
2.2k
(US)
1M
(US)
MUTING
D415
47k
(EXCEPT US)
22k
(EXCEPT US)
CONTROL
1SS120RX
R524
D416
SWITCH
47k
1SS355-TE-17
0.022
R438
47k
R439
∗
R610
R611
R612
IC402
PST600L-T
R469
100k
3.3k
Q601,602
10k
470k
R613
ATTENVUTE
1k
SWITCH
Q602
2SC2412K
C432
C433
R440
Q601
C609
R614
470
0.1
∗
2SC2412K
0.01
1k
6.3V
(US)
(US)
L501
4.7µH
G2
G3
G1
G4
C558
100
10V
C557
0.1
R559
47k
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
MOTOR DRIVE
IC503
BA6196FP
C553
R549
R551
0.1
100k
1k
The components identified by mark 0 or dotted
Les composants identifiés par une marque 0 sont
line with mark 0 are critical for safety.
critiques pour la sécurité. Ne les remplacer que
Replace only with part number specified.
par une pièce portant le numéro spécifié.
(EXCEPT US)
D422
SLR-342-MCT31
R486
100
D423
SLR-342-MCT31
R483
R487
D422-424
470
100
D424
(LCD BACK LIGHT)
SLR-342-MCT31
R484
R488
470
100
D419-421
R485
(LCD BACK LIGHT)
470
L403
10µH
(US)
S423
S421
BRIGHTNESS
HIGH
LOW
SOUND
Q405
2SC2412K
MODE
S422
BUZZER
BIRD
R471
SOUND
1k
RIVER
LEVEL
R475
LOW
MID
10k
HIGH
Q404
2SC2412K
A1
C464
0.1
A2
A3
A4
A5
A6
A7
R541
10k
A8
I1
I3
A9
A10
A11
A12
A13
A14
(Page 5)
A15
A16
A17
A18
R555
10k
A19
C555
R556
0.022
22k
20
R557
22k
C554
R558
1000p
47k
A21
A22
A23
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