JVC CH-X550 Service Manual page 45

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