A) Cd Servo Circuit - Panasonic SA-AK230GCP Service Manual

SA-AK23 0GCP

17.1. (A) CD Servo Circuit

SCHEMATIC DIAGRAM - 1
OPTICAL
PICKUP CIRCUIT
LASER DIODE
6
8
11 C
C
12
10
5
1 GND NBOUT
4
9
2 VCC GND
2
3
BIN NAOUT
3
4 AIN VREF
C
C
CD SERVO CIRCUIT
CP701
VCC
1 1
F
2 2
E
3 3
LD
4 4
LD GND
5 5
GND
6 6
8
C
A
7 7
7
GND
8 8
B
9 9
6
VREF
10 10
LPD
5
11 11
C7613
GND
0.1
12 12
T-
13 13
T+
14 14
F-
15 15
F+
16
16
CN7001
C7335
0.1
C7334
10V220
14
13
36
37
: +B SIGNAL LINE
Q7601
B1ADCF000001
LASER POWER DRIVE
R7650
5.6
C7614
6.3V100
15 16 17 18 19 20
GND
IC7003
GND
12 11 10 9 8 7
35
M M702
SP MOTOR
38
M
M701
TRV MOTOR
60
: CD-DA SIGNAL LINE
R7601
C7670
4.7
C7204
C7601
0.1
0.1
6.3V33
Q7601
R7329 1.5K
R7327
1.5K
21 24 25 26
22 23
C7352
0.01
6 5 4 3 2 1
R7336
10
R7335
100
C7338
C7315
0.22
0.22
R7325
R7323
560
5.6K
C7203
6.3V220
R7328 18K
R7349
15K
C7339
0.01
R7339
1K
IC7003
AN8739SBTE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
R7315
R7331
2.7K
22K