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CD servo control section
5
4
3
2
1
A
B
R564
R563
R562
R566
8.2k( 1/10W)
!
Q561
CN501
2SB1322
QGB2027M1-26S
LD
SW4
VD
SW3
VB
SW1
VC
SW2
VA
MD
LOADING-
VREF
LOADING+
VE
R561
VCC
VF
C562
FOCUS+
0.01
TRACKING-
TRACKING+
FOCUS-
FEED+
REST
C509
C508
100/10
SPINDLE+
FEED-
SPINDLE-
TP1
C512
VREF
R513
1k
82p
C513
R514
R512
R511
R515
0.01
27k
2k
10k
100
R510
C511
C510
47k
0.1
C514
0.1
5p
VD
R501
82k
VC
R502
82k
VA
R503
82k
R509
VB
R504
82k
82k
VE
R505
150k
VF
R506
150k
C501
0.01
100/10
C505
R507
22
C502
C503
0.01
100/10
R508
22
C504
Q501
0.01
2SB1241
C
6.8k
DMO
5.6k
FMO
R574
6.8k
FOO
150
C561
47/6.3
C574
820p
C584
820p
D561
DSK10C-T1
R584
150
10k
TRO
C563
22/10
0.01
C553
10p
C554
C555
10p
120p
R533
TP2
1M
X521
R517
L521
47u
47k
L523
47u
CD-RW
C547
0.1
C548
100/10
C549
0.01
C507
0.0068
R516
820
BUCK
BUS0
BUS1
CCE
BUS2
RST
BUS3
Q521
UN2111
L522
R538
SW5V
10k
47u
Q522
UN2211
CDON
D
E
R572
33k
R575
10k
C572
R571
C573
CD.L
R573
12k
15k
120p
4.7/25
C571
820p
C581
820p
R593
R591
22k
22k
C582
C583
R581
R583
12k
15k
10k
120p
R585
4.7/25
R582
CD.R
33k
9V
C591
100/10
C594
0.001
C538
0.047
C537
0.047
C534
470p
C533
470p
R530
0
SEL
R529
0
TEB
R526
0
RFGC
!
IC521
TC9490FA
C530
0.033
TE
RFDC
FE
C528
RFRP
R525
0.033
10k
C527
0.01
C526
0.0027
RF
C525
0.01
C524
R524
33k
0.015
R523
470k
R539
R522
2.2M
47k
C523
R521
5.6k
47p
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
F
G
KD-S687
9V
3.3V
FEED+
FEED-
LM1
LM0
REST
SW1
SW2
SW3
SW4
CD.L
A-GND
CD.R
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
RST
SW5V
CDON
CD-RW
CD8V
CD signal
2-3
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