Schematic Diagram - Main Section (3/4) - Sony ICF-CD523 Service Manual

ICF-CD523
Ver. 1.1
6-5. SCHEMATIC DIAGRAM – MAIN Section (3/4) –
(3/4)
S701
DISC TRAY
OPEN/CLOSE
DETECT
CN701 W701
CLOSE
5P 5P
CL-SW CL-SW
OPEN
OP-MO OP-MO
OP-SW OP-SW
L702
47µH
OP-MO OP-MO
+6V +6V
M701 C708 L703
0.1
47µH
(LOADING)
Q501
AUTOMATIC
POWER CONTROL
Q501
KTA1271
CN501
16P C527
1000p
CD-VC CD-VC
CD-VCC CD-VCC
DETECTOR
E E R523 82k
D D R524 100k
A A R525 100k
B B R526 100k
C C R527 100k
F F R528 82k
GND GND
LASER
DIODE LD LD
VR VR JC503 0
PD PD
LD F+ F+ X1
PD T+ T+ X2
T- T- X3
F- F- X4
BP502
(TRACKING)
R531
150k
(FOCUS)
2-AXIS
DEVICE
C530
0.01
C532
0.01
W501 CN503
6P 6P
M591 SP+ SP+ Y1
(SPINDLE)
SP- SP- Y2
SW SW
S591
GND GND
(LIMIT)
SL+ SL+ Y3
SL- SL- Y4
M592
(SLED)
ICF-CD523
• See page 25 for Waveforms. • See page 26 for IC Block Diagrams.
MOTOR DRIVE
C705 R703
0.1 33
C703 C704 R701
0.01 0.01 10k
C701
470
10V
C526
C521
47
47
10V
10V
R522
10
TP513
R519
C524 (RF)
R520 15k
TP568 22
1M
25V
(GND)
C518
0.033
C525 12p R521 4.7k
FE BIAS SENS2(O)
F SENS1(O)
E C.OUT(O)
EI XRST(I)
VEE DATA(I)
TEO XLT(I)
RF AMP,
LPFI FOCUS/TRACKING CLK(I)
SERVO,SELD SERVO
TEI LOCK(I)
R530 150k IC501
ATSC CXA1992BR VCC
C528
C534
0.047 TZC ISET
0.022
TDFCT SL O
C535 0.1
R529
VC SL M
330k
FZC SL P
C501
0.1
C533 R506 68k
C508
47 BP501
0.033
10V C510 10p
C502 R502 R501
R505 510k
0.033 10k 7.5k
C507
C503 2200p
10
50V C509
R503 8.2k
C504 0.018
0.1
R592 220k
R597 330k
C537 C592
1000p 0.01
C591 2200p
R591
3.3k
R593
22k
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
MOTOR DRIVE
R595 C593
IC591
33k 0.015
BA5826P
C596 R596
4.7 12k
50V
(Page 20)
LOADING
IC701
BA6208
R702
10k
C702 D701 L701
0.01 1N4002B 47µH
R515
10k
C523
Q301
0.01
KTA1271
CD B+
SWITCH
R517
270k
R516
10k
C587
BP505
0.01
C517
100p
D1
C516
0.01
D2
D3
R514 D501
10k 1SS119
D4
D5
R557 C557
47k 0.022
R513
150k
R579
10k
R512
180k
C513
47p
R508 C514
MDP
150k 0.01
PWMI
TES0
C515 TES1
R510 47
R509
12k 10V VPCOI
47k
VCK1
C511 R558
VI6M
3.3 C539 C538 47k
50V 100p 100p
VCTL
C585
0.01 R559
PCO
3.3k
FILO
C588
(US,CND)
C558 R560 1k
0.1
0.47 FILI
C559 100 10V
JC502 R561
AVSS
0 R594 10k
33k
CLTV
AVDD
JC504 0
RF
BIAS
R562
ASYI
1M
ASYO
C561 R563 R564
LRCK
220p 220k 10k
LRCKI
C562 C563
0.22 0.01
C594 C595
470 100
10V 10V
R580
1k
22 22
R302
470
R301 D301
47k 1SS119
L301
2.2µH
R303 D302 R104
12k 1SS119 1.5k
C301 C302
0.01 100
10V R204
1.5k
C586
0.1
R578
10k
VDD
C581
XRST
AVSS
AVDD
R576
AOUT2
R575
AIN2
R574
LOUT(R)
C577 150p
AVSS
X501
XVSS
16.9344MHz 33p
XTAO
R572 220
DIGITAL SIGNAL PROCESSOR,
XTAI
CLV SERVO,D/A CONVERTER
C574
XVDD
IC551
CXD2589Q
AVSS
C571 150p
LOUT(L)
AIN1
AOUT1
AVDD
AVSS
SYSM(MUTE)
VDD
C564
0.01 R565
1k
C598 C599
(US,CND) (AEP)
100p 100p
101
102
103
104
JC501
JC501 (US,CND) (AEP)
0
C584
100
10V
C583
1000p
C582
0.1
(Page 23)
C580
100
10V
0.01
C579
0.01
12k
C578 JC552
680p 0
12k
12k
105
C575
C573
0.01
JC551
0
33p
R570
12k
106
R569 12k
R568 12k
C569
0.01
C570 680p
107
R566
10k
C4
C568 C567
0.01 0.01
C566
100
10V
C565
100p C3
108