
2-5
Block diagram
Spindle motor
Feed motor
Tracking actuator
Focus actuator
IC581
CD & TRAY/DOOR
DRIVER
Audio output
Focus
driver
Tracking
driver
Feed
driver
Spindle
driver
IC501
RF AMP
IC521
DSP & DAC
RF amp.
AGC amp.
Servo
signal
interface
Focus
error
amp.
Tracking
error
amp.
Focus
servo
amp.
Tracking
servo
amp.
Data
slicer
VCO
PLL
TMAX
Synchronous
signal
EFM
demodulator
CLV
servo
Digital
equalizer
auto
adjustment
A/D
PWM
D/A
Servo
control
Sub code
decoding
RAM
Correction
circuit
D/A
converter
Micon
interface
LPF
IC101
CD LPF
Mute
IC601
Micro processor
control
Mecha.detect
switch
Eject switch
IC651
Bus
buffer
J-BUS
Tray motor
driver
Positioning
motor driver
M
M
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299