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OPTICAL PICKUP UNIT
GND
E
F
Vref
A
Vcc
B
NC
C3
LPD
LD
0.22
GND
LDG
VR1
TRACKING COIL
FOCUS COIL
C735
0.1
C734
10V220
SCHEMATIC DIAGRAM - 1
CD SERVO CIRCUIT
R701
C701
4.7
6.3V33
Q701
1
VCC
1
2
F
2
R754
3
E
3
5.6
C1
LD
4
4
0.47
5
LD GND
5
6
6
GND
7
A
7
GND
8
8
(GUARD)
B
9
9
VREF
10
10
11
LPD
11
GND
12
12
(GUARD)
13
T-
13
C751
0.1
14
T+
14
F-
15
15
C750
0.1
16
F+
16
CN701
15
16
17
18
19
20
14
13
12
11
10
9
C737
36
0.01
C736
M702
39
38
SP MOTOR
0.1
M
M701
TRV MOTOR
M
Q701
2SA1037AKSTX
LASER POWER DRIVE
C714
6.3V100
C713
0.1
1
2
3
4
32
31
30
29
C711
R737
C712
R738
21
22
23
24
25
26
IC703
8
7
6
5
4
3
IC703
37
BA5948FPE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
: +B SIGNAL LINE
TJ701
TJ
R742
10K
5
6
7
8
9
10
11
12
IC701
AN22004A-NF
SERVO AMP
28
27
26
25
24
23
22
21
C747
C710
470P
470P
R744
0.1
39K
R702
6.8K
4.7K
0.1
6.8K
C749
R708
R707
R706
R704
0
0
1K
1K
32
33
40
42
R729
1K
R728
R727
1K
R749
R725
330
C739
C752
0.018
0.018
27
28
C738
0.056
2
1
R735
100
R723
R731
3.3K
22K
: CD SIGNAL LINE
C716
680P
C703
6.3V100
C704
0.1
R743
4.7K
13
14
15
16
20
19
18
17
R705
39K
3900P
C742
0.047
18K
18K
R715
3.3K
C715
0.47
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