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17
17
HCD-EP515
6-1. Block Diagram – CD Section –
: CD
• Signal Path
43
40
39
E
B
C
D
A
CD +5V
F
DETECTOR
IC103
RF AMP,
FOCUS/TRACKING ERROR AMP
LD
PD
LASER DIODE
IC101 (1/2)
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
S101
(LIMIT)
(SPINDLE)
M
M
(SLED)
IC102
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
OPTICAL PICK-UP
BLOCK
KSM-213EDP
I-V AMP
FILTER
X101
16.9344MHz
R-CH
PWM3
PWM2
PWM3
PWM2
CD
L-CH
+7V
+7V
+5V
+3.3V
REG
Q102
CD +5V
REG
Q317