Sony ICF-CD873L Service Manual page 40

ICF-CD873L
1-3. SCHEMATIC DIAGRAM – MAIN Section (1/2) –
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
(AEP) (UK)
R468
1k
A14
A15 R467 1k
A16 R466 1k
A17 R465 1k
A18 R464 1k
A19 R463 1k
A20 R462 1k
CN401
A21 R461 1k
10P
KR0 A22 R460 1k
KS3 D401 1SS120RX B1 A23 R459 1k
KR1 A24 R458 1k
KS2 D402 1SS120RX B2
KR2
KS1 D403 1SS120RX B3 R456 1k
KR3 R455 1k
KS0 D404 1SS120RX B4 R454 1k
KR4 R453 1k
GND R452 1k
R498
10k C471
100p
C427
C468 0.01
100p
Q401
2SD596
TP GND
(SHIELD)
R523
22
C525 R519
C524
0.01 22k
47
16V
Q501
RV501
2SC2412K
22k
E-F
BALANCE R521 R520
22k 22k
CONTROL
Q502
2SB1013
C523
AUTOMATIC 1000p
POWER
CONTROL
R525
820k
CN501
16P
VC
FEBIAS
VCC
R534
F
82k
E
E
D R535 47k
C526
EI
4700p
A R536 47k
VEE
B R537 47k
TEO
C R538 47k R529 150k
R530
LPI
220k
F R539 100k
TET
GND C527 0.047 R531 470k
R532
ATSC
100k
LD
C533 TZC
VR 1000p
C532 C531 R533 C529
C530 TDFCT
1000p 0.01 330k 0.022
PD 0.1
VC
F + G1
C528
TP504
47p
T + G2
T - G3
F - G4
BP
R501
2.2k
R503
10k
RV502
22k
R502 R504 C501
4.7k 10k 1000p
C535
C534
100
0.1
10V
R401
1k
D417
1SS355-TE-17
SEG12 BASS ON
R416
1k
A3
SEG11 COM0
R417 1k A2
SEG10 COM1
R418 1k A1
SEG9 COM2
SEG8 COM(NC)
SEG7 BIAS
SEG6 VLC0
SEG5 VLC1
SEG4 VLC2
SEG3 CD ADJ
R477
SEG2 CLOCK
R478
SYSTEM CONTROLLER
SEG1 XTL
IC401 R479
SO(NC) mPD753012AGC- DATA
F17-3B9
RESET VSS
R489 1k
KEYRET4 X RESET
R490 1k
KEYRET3 POWER ON
R426 470
KEYRET2 CD ON
R427 1k
KEYRET1 R LAT
R428 1k
KEYRET0 AC IN
R429 100
DOOR IN CK
R431 1k
COLOR DATA
SHIFT
CK
TP401 RESET SIGNAL
R444
(X2) 1k GENERATOR
C424
18p
Q401,402
IC402
R443 R441
SHIFT PST600L-T
X402 1k 100k
CLOCK 4.194MHz
L401
CT401
C423 10µH
10p
18p
Q402
2SD596 C467
10p
C437
0.01
C435
C436 C434 C413 R442 C439 R436 R469 R438 R439 R440
100
0.01 0.47 100p 10k 0.022 1k 470k 47k 47k 22k
10V
R457 1k
C522 C519 C518 L501
4.7µH
10p 0.047 0.01
R518 TP503
4.7k R517 C516
10k 0.01
R516 C521
15k 2p
C517
0.047
C556
0.1
C558
E1 100
SENS 10V
C,OUT
C557
0.1
XRST
E2
C568
DATA
0.01
E3
XLT
RF AMP,
E4
FOCUS/TRACKING CLK
SERVO,
VCC
SLED SERVO
ISTE
IC501
CXA1782BQ R514
SL O
150k
SL N
IC503
C515
SL P BA6196FP
47p
TA O
R510
100k
R512
C508 100k
10p
R513
22k
R508
82k
C509
C506
0.1
0.047
R506
100k
R511
47k R552
10k
C505 C510
R507 C507
4.7 4.7
470k 0.01
50V 50V
C514
C512 C513 C511
100
0.01 0.1 0.01
10V
4 4
D422
SLR-342-MCT31
D419 R483 D423
TLYE262A 470 SLR-342-MCT31
D420 R484 D424
TLYE262A 470 SLR-342-MCT31
D421 R485
TLYE262A 470
D422-424
(LCD BACK LIGHT)
D419-421
(LCD BACK LIGHT)
C401 C402
0.1 0.1
Q406
R419 R420 R421 DTA124EKA
15k 15k 15k
MEGA BASS
ON DRIVE
C403
0.1
C428 Q405
Q403
0.01 2SC2412K
BP 2SC2412K
R476
10k
R472
1k
10k R423 1k D1
Q404
10k R424 1k D2
2SC2412K
10k R425 1k D3
C438 R473
0.01 100
C445
BP
1000p
I2
J1
I4
R430 1k J2
J3
C444
1000p
R480 D414
10k 1SS355-TE-17
R541 10k
TP(+5V)
D415
1SS120RX
Q407
DTA124EKA
MUTING
CONTROL
D416
1SS355-TE-17 SWITCH
I3
R524
47k
C432
C433
470 C429
0.1
6.3V 330 6.3V
R481
1k
R470 1k
I1
R555 R556
10k 22k
C555
0.022
R559 R557
47k 22k
C554 R558
1000p 47k
FOCUS/TRACKING
COIL DRIVE, R550
10k
SPINDLE/SLED
MOTOR DRIVE
C553 R549
C552 R551
0.1 100k
0.1 1k
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
R486
100
R487
100
R488
100
R474
10k
L403
10µH
S423
BRIGHTNESS
HIGH LOW
R475
10k
Q403-405
LED DRIVE R471 C464
1k 0.01
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
(Page 5)
A19
A20
A21
A22
A23