Block Diagram; Cd Servo Block - Panasonic SA-PM31P Service Manual

15 Block Diagram

15.1. CD Servo Block

OPTICAL PICKUP
SEMICONDUCTOR
LASER
POWER DRIVE
B
PHOTO DETECTOR
E E E E
D C
A B
D C
F E E F
F+
FOCUS
COIL
F-
T+
TRACKING
COIL
T-
M701
TRAVERSE
MOTOR
M702
SPINDLE
MOTOR
Q701
LASER
B
IC703
BA5948FPE2
4CH DRIVE
15 D3-
[CH3]
16 D3+
17 D4-
[CH4]
18 D4+
14 D2+
M
[CH2]
13 D2-
12 D1+
M [CH1]
11 D1-
VREF 26
IN3 28
LEVEL
SHIFT
IN4 27
LEVEL
SHIFT
IN2 1
LEVEL
SHIFT
IN1 3
LEVEL
SHIFT
MUTE PC1 4
[CH1]
MUTE PC2 2
[CH2]
63
SA-PM31P / SA-PM31PC
B
FOP
TRP
TVD
ECS
PC