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SCHEMATIC DIAGRAM-6
OPTICAL PICKUP
CIRCUIT
8
3
LD
11
12
2
10
5
4
9
6
1
2
3
4
8
7
6
5
TRACKING
COIL
FOCUS
COIL
A
M701
M
TRAVERSE
MOTOR
B
C
M702
M
SPINDLE
MOTOR
D
CD SERVO CIRCUIT
R701
2SA1037AKSTX
4.7
LASER POWER DRIVE
3.3V
(2.5V)
R754
Vcc
CN701
2.9V
5.6
1
1
(2V)
PDF
0.9V
A
2
2
PDE
3
3
B
E
D
LD
4
4
C
LD
A
GND
5
5
B
GND
6
6
NB
7
7
C
GND
8
8
NA
D
9
9
E
VREF
10
10
LPD
11
11
GND
12
12
C712
0.1
T-
13
13
T+
C711
14
14
0.1
F-
15
15
C750
C751
0.1
0.1
F+
16
16
D
C B
A
VREF
C713
C714
0.1
6.3V100
D
C
B
A
(3V)
(3.7V)
(3.5V)
3.3V
7.6V
3.3V
3.3V
3.3V
15
16
17
18
19
14
13
12
11
10
3.3V
3.3V
3.7V
3.7V
(3.5V)
(3.3V)
(4.1V)
A
B
C
D
C734
C735
10V220
0.1
Q701
PLAY
0.5 s. 0.2V/DIV.
IC701
AN8885SBE1
SERVO AMP
(0.2V)
1.6V
1.6V
3.3V
1.6V
1.6V
0V
1
2
3
4
5
6
PLAY
0.2V
P-P
2ms. 0.1V/DIV.
2ms. 0.1V/DIV.
28
27
26
25
24
23
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
C747
C710
180P
120P
R744
R702
120K
C749
10K
2200P
R708
R707
R706
R704
22K
39K
1K
1K
A
B
C
IC703
BA5948FPE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
7.6V
20
21
22
23
24
25
9
8
7
6
5
4
R723
R735
10K
100
7.6V
: +B SIGNAL LINE
: CD SIGNAL LINE
3.3V
3.3V
0.8V
(RF)
P-P
TJ701
C716
1000P
C704
0.1
C702
0.1
(2.3V)
(1.4V)
(2.3V)
0.7V
1.6V
0V
2.7V
0.9V
2.1V
7
8
9
10
11
12
13
PLAY
0.6V
P-P
22
21
20
19
18
17
16
1.6V
0V
0V
1.6V
0V
R705
150K
C742
0.027
D
L
K
E
F
R736
100
A
B
7.6V
1.6V
1.6V
1.6V
26
27
28
A
3
2
1
3.2V
1.6V
1.6V
(0V)
R727
R729
2.7K
2.7K
R732
1K
R725
C715
680
2700P
C752
C738
R724
R715
1500P
15K
1K
0.056
R749
2.7K
R731
J
H
I
(3.1V)
0V
14
15
(3.1V)
0V
G
B
A
J
R728
2.2K
B
C
D
E
F
10K
G
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