HCD-J300
42
42
7-2. BLOCK DIAGRAM – CD SECTION –
IC503
• Signal Path
: CD (DIGITAL)
:DIGITAL IN (OPTICAL)
OPTICAL PICK-UP
BLOCK
A
B
E
F
LD
VC
VCC
+5V
GND
PD
VR
LD
DRIVE
Q101
RF AMP
IC103
C
D
IC702
MOTOR/COIL DRIVE
M
SLED
MOTOR
M
SPINDLE
MOTOR
F+
F-
T+
DIGITAL SIGNAL PROCESSOR
IC101
DIGITAL SERVO,
+3.3V
DATA
CLK
XLT
SQSO
SENS
MASTER CONTROL
IC306(1/3)
SCLK
SCOR
CTRL1(1-2)
LDON
XRST
PWM1
PWM2
PWM3
SWITCH
Q102
IC551
+3.3V
REG
Q103,D101
SELECTOR
1
6
12
13
X101
33.8MHz
S101
LIMIT
IN
SWITCH
+5V
+5V
+3.3V
DIN
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
7
3
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299