Cd Servo Circuit - Panasonic SA-AK310GC Service Manual

SCHEMATIC DIAGRAM -1
OPTICAL
PICKUP CIRCUIT
LASER DIODE
6
8
11 C
C
12
10
5
1 GND NBOUT
8
4
9
2 VCC 7
GND
2
3 NAOUT 6
BIN
3
4 VREF 5
AIN
C
C

CD SERVO CIRCUIT

R701
4.7
1 1
VCC
2 2
PDF
Q701
3 3
PDE
4 4
LD
R750
4.7
5 5
LD GND
6 6
GND
C
7 7
NB
8 8
GND
9 9
C713
NA
0.1
10 10
VREF
11 11
LPD
12 12
GND
13 13
T-
C750
14 14
T+
0.1
15 15
F-
16 16
F+
CN701
C751
0.1
15 16
C735
0.1
C734
10V220
14 13
C737
36
0.1
M
M702
SP MOTOR
C736
38
0.1
M
M701
TRV MOTOR
: +B SIGNAL LINE
C701
6.3V33
Q701
B1ADCF000001
LASER POWER DRIVE
C714
6.3V100
1 2 3 4
28 27 26 25
C747
180P
C712 R744
0.1 120K
C749
C711
2200P
0.1
R708 R707 R706
22K 39K 1K
33
17 18 19 20 21 29 22
GND
IC703
GND
12 11 10 9 8 30 7
35
IC703
37 AN8739SBTE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
: CD-DA SIGNAL LINE
29
30
C703
6.3V100
C704
0.1
C707
0.027
5 6 7 8 9 10 11 12 13
IC701
AN8885SBE1
SERVO AMP
24 23 22 21 20 19 18 17 16
C710
120P
R702 R705
10K 150K
C742
0.027
R704
1K
23 24 25 26 27 28
6 5 4 3 2 1 R736
R725
390
R724
C715
18K
2700P
R715
R727
1K 3.9K
14
15
28
100
C752 C738 C739
1000P 0.01 1500P
R729 R728
3.9K 3.9K
R749
4.7K
R723 R731
6.8K 6.8K