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SCHEMATIC DIAGRAM -1
: +B SIGNAL LINE : CD-DA SIGNAL LINE
OPTICAL
PICKUP CIRCUIT CD SERVO CIRCUIT
R701
4.7
LASER DIODE 1 1 C701
6 VCC <3.2V> 6.3V33
2 2 ((0V)) <2.7V>
8 PDF ((2.3V)) Q701
11 C 3 3
PDE
Q701 2SA1037AKSTX 29 30
<0.9V> C703
C 4 4 LASER POWER DRIVE 6.3V100
12 LD R750 ((2V))
5 5 4.7
10 LD GND
5 6 6
1 GND NBOUT 8 C704
C GND
4 0.1
2700P
7 7 C714
C706
9 NB 6.3V100
2 VCC GND 7
8 8
GND
C702
C707
0.1
2 3 BIN NAOUT 6 9 9 0.027
NA C713
3 10 10 0.1
VREF
4 AIN VREF 5
11 11
LPD
((0.2V))
((3.1V))
((2.3V))
((1.4V))
<1.6V>
<1.6V>
<3.2V>
<1.6V>
<1.6V>
<2.7V>
<0.9V>
<0.7V>
<1.9V>
<1.6V>
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
<0V>
<0V>
<0V>
<0V>
12 12
GND
13 13
C C T- 1 2 3 4 5 6 7 8 9 10 11 12 13 14
C750
PDE
PDF
VCC
PDA
PDB
LPD
LD
RF
RFIN
CSBRT
CEA
BDO
LDON
GND
14 14
T+ 0.1
15 15
F-
16 16
IC701
F+ AN8885SBE1
CN701 SERVO AMP
PDOWN
/RFDET
C751
FEOUT
TEOUT
OFTR
VREF
FBAL
TBAL
0.1
ENV
FEN
TEN
NC
NC
NC
28 27 26 25 24 23 22 21 20 19 18 17 16 15
<0V>
((0V))
<0V>
((3.2V))
<0V>
((0V))
<1.6V>
((0V))
<1.6V>
((0V))
<1.6V>
((0V))
<1.6V>
((0V))
<1.6V>
((0V))
<1.6V>
((0V))
<1.6V>
((0V))
<0V>
((0V))
<1.6V>
((0V))
<0V>
((0V))
<0V>
((0V))
C747 C710
180P 120P
C712 R744 R702 R705
0.1 120K 10K 150K
C711 C749
0.1 2200P
C742
R708 R707 R706 R704 0.027
22K 39K 1K 1K
33
28
((3.5V))
<3.3V>
<3.3V>
<3.3V>
<3.3V>
<3.3V>
<7.3V>
<7.3V>
<7.3V>
<1.6V>
<1.6V>
<1.6V>
((3V))
((3V))
((3V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
<0V>
<0V>
<0V>
<0V>
15 16 17 18 19 20 21 29 22 23 24 25 26 27 28
D3+
D4+
PVCC2
NC
VCC
VREF
D3-
D4-
IN4
IN3
RSTIN
PGND2
NC
GND
NC
C735
0.1
IC703
PGND1
PVCC1
/RST
PC2
D2+
D1+
C734
D2-
D1-
IN1
IN2
NC
NC
NC
NC
10V220 GND
14 13 12 11 10 9 8 30 7 6 5 4 3 2 1 R736
100
<3.3V>
((0V))
<3.7V>
((4.1V))
<0V>
((0V))
<3.3V>
((3.5V))
<3.7V>
((3.5V))
<0V>
((0V))
<0V>
((0V))
<0V>
((0V))
<0V>
((0V))
<0V>
((0V))
<1.6V>
((0V))
<1.6V>
((0V))
<0V>
((0V))
<1.6V>
((0V))
<1.6V>
((0V))
R735
R725
100
390
36 C737 35 C752 C738 C739
0.1 1000P 0.01 1500P
M R724
18K C715
2700P
R729
3.9K
R728
3.9K
M702
SP MOTOR R715 R727 R749
1K 3.9K 4.7K
IC703
38 C736
0.1
37 AN8739SBE2
FOCUS COIL/
TRACKING COIL/
M TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
R723 R731
6.8K 6.8K
M701
TRV MOTOR
SCHEMATIC DIAGRAM - 2
: +B SIGNAL LINE : CD-DA SIGNAL LINE : CD SIGNAL LINE
CD SERVO CIRCUIT
20
18
19
23
R717 C727
1K C725 50V1
R721 1000P 22
100
C726
C731 1000P
6.3V220 21
C730 R718 C728
0.1 1K 50V1
C754 C732 C733
470P 6.3V220 0.1 19
LCH OUT
18
A.GND
17
17 RCH OUT
C753
470P 16
<3.2V>((0V))
<3.2V>((0V))
<2.9V>((0V))
<1.5V>((0V))
<1.5V>((0V))
<2.9V>((0V))