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25
25
HCD-EX5
6-1. Block Diagrams
– CD Section –
• Signal Path
: CD DIGITAL OUT
: CD
• R-CH is omitted due to same as L-CH.
OPTICAL PICK-UP
BLOCK
PD1
5
PD2
I5-10
I1-6
LD+
VC
VCC
VCC
CD+5V
GND
PD
SW
LD
DRIVE
Q101
IC103
RF AMP
IC102
MOTOR/COIL DRIVER
M
M
F-
FOCUS
COIL
TRACKING
COIL
F+
TR-
TR+
IC101
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
CD+5V
RV101
XRST
IC701 (1/2)
MASTER CONTROLLER
9
4
10
8
6
11
7
2
M102
SLED
MOTOR
M101
SPINDLE
MOTOR
LIMIT IN
SWITCH
CD+5V
+3.3V
REG
Q103,D101
RIPPLE
FILTER
Q391
B+
SWITCH
Q781, 782
+3.3V
+3.3V
IC301
IC371
IC381
CD+5V
IC371
D OUT
IC711
LO MOTOR DRIVER
IC721
L SENSOR
IC731
D SENSOR
M701
(LO)
M
IC701
CK MOTOR DRIVER
S741
M
M702
(CK)
ROTARY
ENCODER
S731
L MOTOR
C MOTOR
R-CH
CD-L
IC302
LPF
IC301
DAC
6
5
4
2
X381
16.934MHz
OSCILLATOR
IC381
IC106
CD DIGITAL OUT
OPTICAL
CD+5V
B+
SWITCH
Q701
SECTION 6
DIAGRAMS
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
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299