A) Cd Servo Circuit - Panasonic SA-AK220GCP Service Manual

SA-AK220GCP

17.1. (A) CD Servo Circuit

SCHEMATIC DIAGRAM - 1
OPTICAL
PICKUP CIRCUIT
12
E GND
11 F
VREF
10 A VCC
B
9 NC
8
LD
LPD
7
GND LDG
VR1
CD SERVO CIRCUIT
1 1
VCC
2 2
F
3 3
E
4 4
LD
1
5 5
LD GND
2
6 6
GND
7 7
B
C1
3
8 8
GND
5.6P
9 9
4
A
10 10
VREF
5
11 11
LPD
C713
0.1
12 12
6
GND
13 13
T-
14 14 C750
T+
0.1
15 15
F-
16 16
F+
CN701
C751
0.1
C735
0.1
C734
10V220
36
37
: +B SIGNAL LINE
R701
4.7
C701
Q701 6.3V33
R750
5.6
C714
6.3V100
1 2 3
32 31 30
C712
0.1
R738
6.8K
C711
0.1
R737
6.8K
14 15 16 17 18 19 20
GND
IC703
GND
13 12 11 10 9
8 7
C737 0.1
35
M
M702
SP MOTOR
C736 0.1
38
M
M701
TRV MOTOR
50
: CD-DA SIGNAL LINE
C770
Q701
0.1
B1ADCF000001
LASER POWER DRIVE
C703
C704
29 RF VOLT 30
C716
R742 10K
C706
10
4 5 6 7 8 9 10 11 12
IC701
AN22004A-NF
SERVO AMP
29 28 27 26 25 24 23 22 21
C747 C710
470P 470P
R702
R744
4.7K
39K
34
R706
1K
R704
1K
39
R708 0
R707
0
41
R729
R727
1.5K
21 22 23 24 25 26
R736
10
6 5 4 3 2 1
R735
100
C738
0.047
R725
R723
560
5.6K
6.3V100
0.1
680P
R743
4.7K
13 14 15 16
20 19 18 17
R705
39K
C749 C742
0.047
3900P
32
33
42 40
1.5K
R728
18K
R749
18K
C752
C739 R739
0.01
0.01 1K
IC703
AN8739SBTE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
C715
0.22 SPINDLE MOTOR DRIVE
R715
R731
2.7K
22K