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Q Q
CD servo control section
3 7 6 3 1 5 1 5 0
FEED-
GND
FEED+
FEED-
T E
VF2
L
1 3 9 4 2 2 9 6 5 1 3
FEED+
VCC
GND
PSW
VT2
SPINDLE-
SW1
SPINDLE+
VT1
SW2
VF1
PSW
VR
SPINDLE-
SW1
LD
SW2
SPINDLE+
FOCUS-
VREF
TRACKING-
FOCUS+
TRACKING+
MD
FOCUS+
TRACKING+
FOCUS-
TRACKING-
LD
GND
MD
VR
VF1
VREF
VT1
GND
VT2
VCC
VF2
w w w
.
C543
0.012
C544
68P
LM
R553
R554
0
51k
CN501
QGB2027M4-22S
FEED-
VF2
FEED+
VCC
VT2
SW1
VT1
SW2
VF1
PSW
R517
150
SPINDLE-
SPINDLE+
LD
FOCUS-
FOCUS+
MD
C522
TRACKING+
TRACKING-
C524
C523
0.022
0.033
0.033
C521
0.022
R515
VT1
47k
VT2
R516
47k
VF2
VF1
IC501
AN22002A-W
MD
VCC
R505
TP
3.3k
RF
Q501
LD
R503
2SA2093/QR/-T
12
C503
0.022
x
a o
y
R506
C506
1.5k
68p
i
http://www.xiaoyu163.com
8
C570
C571
47/6.3
47/10
R558
10K
D561
1A3G-T1
TRV
TVD
IC561
LA6242H-X
ECM
ECS
KICK
TRD
FOD
FBAL
C546
68P
TBAL
FE
R539
270K
R547
TE
R550
2.7k
1K
R548
RFENV
C545
0.1
4.7K
VDET
OFTR
R540
1M
RFDET
C552
C551
0.01
220/10
BDO
LDON
Q
Q
ARF
3
7
6
3
C538
470p
TP
ARF
VREF
TP
TP
R533
FE
C517
120k
C515
0.082
TE
100/10
TP
C514
R510
39k
0.01
C520
C516
270p
68P
C566
0.01
L501
4.7U
u 1 6 3
.
http://www.xiaoyu163.com
2
4
9
9
8
R581
C582
18k
4.7/25
IC521
MN6627482WA
R538
100
C581
0.001
C535
0.01
C534
220/10
1
5
1
5
0
8
9
2
4
L522
4.7U
X521
QAX0714-001Z
C592
4.7/25
R591
18k
R585
22k
R595
22k
C591
0.001
C528
C529
0.01
100/10
m
c o
2
9
9
PSW
SW1
SW2
LM
MSW
GND
CD8V
CD.RESET
STATUS
SUBQ
SQCK
(SHEET 1)
TLOCK
FLOCK
CD.SENSE
MLD
MDATA
MCLK
C583
R584
CD.RCH
1.5k
CD.LCH
150p
9V
A.GND
IC581
9
8
2
9
9
NJM4565M-WE
C593
R594
1.5k
150p
R586
22k
R596
22k
SHEET 2
2-3
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