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Q Q
3 7 6 3 1 5 1 5 0
CD servo control section
5
4
T E
L
1 3 9 4 2 2 9 6 5 1 3
3
2
w w w
1
.
A
R566
8.2k( 1/10W)
!
CN501
QGB2027M1-26S
LD
SW4
VD
SW3
VB
SW1
VC
SW2
VA
MD
LOADING-
VREF
LOADING+
VE
VCC
VF
FOCUS+
TRACKING-
TRACKING+
FOCUS-
FEED+
REST
SPINDLE+
FEED-
SPINDLE-
TP1
C512
VREF
R513
1k
82p
C513
R514
R512
R511
R515
0.01
27k
2k
10k
100
C511
C510
0.1
C514
0.1
5p
VD
R501
82k
VC
R502
82k
VA
R503
82k
VB
R504
82k
VE
R505
150k
VF
R506
150k
C501
0.01
C502
C503
0.01
100/10
C504
Q501
0.01
2SB1241
x
a o
y
i
B
C
http://www.xiaoyu163.com
8
R564
6.8k
DMO
R563
5.6k
FMO
R562
6.8k
FOO
C561
47/6.3
Q561
2SB1322
D561
DSK10C-T1
R561
10k
TRO
C562
C563
0.01
22/10
C509
C508
100/10
0.01
C555
120p
TP2
R517
R510
L521
47u
47k
47k
L523
47u
CD-RW
C547
0.1
Q
Q
3
7
6
3
C548
100/10
C549
0.01
C507
0.0068
R516
R509
82k
820
BUS0
BUCK
BUS1
CCE
BUS2
RST
BUS3
Q521
C505
100/10
L522
UN2111
R538
SW5V
10k
R507
22
47u
R508
Q522
22
UN2211
CDON
u 1 6 3
.
D
E
2
4
9
9
8
R572
33k
R575
10k
C572
R574
R571
C573
R573
12k
150
15k
120p
4.7/25
C574
C571
820p
820p
C581
C584
820p
820p
R593
R591
22k
22k
C582
R584
C583
R581
R583
12k
10k
150
15k
120p
R585
4.7/25
R582
33k
C591
100/10
C594
0.001
C538
0.047
C537
0.047
C553
C534
470p
10p
C554
C533
470p
10p
R533
1M
R530
0
SEL
R529
0
TEB
R526
0
X521
RFGC
!
IC521
TC9490FA
1
5
1
5
0
8
9
2
4
C530
0.033
TE
RFDC
FE
C528
RFRP
R525
0.033
10k
C527
0.01
RF
C526
0.0027
C525
0.01
C524
R524
0.015
33k
R523
470k
R539
R522
2.2M
47k
C523
R521
5.6k
47p
m
c o
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
F
KD-S680
2
9
9
CD.L
CD.R
9V
9V
3.3V
FEED+
9
8
2
9
9
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
G
2-3
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