48
48
HCD-M333
6-2. Block Diagrams
–
CD Section
–
: CD
• Signal Path
SYSTEM CONTROL
IC101 (1/2)
(A-MAX.3)
OPTICAL PICK-UP
BLOCK
PD1
PD2
I5-10
I1-6
LD
VC
+5V
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
Q101
RF AMP
IC103
IC102
MOTOR/COIL DRIVE
F-
F+
T-
T+
DIGITAL SIGNAL PROC.
IC101
DIGITAL SERVO
LIMIT SW
X201
33.8688MHz
DIN-CD
2
4
IC105
CTRL1(1-2)
1-4
10
9
IC104
SELECTOR
+5V
M
M901
(SPINDLE)
IC201
+3.3V
+5V
Q230, 231
SWITCH
Q236, 237
SWITCH
Q232-235
BUFFER
MOTOR DRIVE
IC220
(OPEN/CLOSE)
M
M201
(LOADING)
S1
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
6
7
3
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299