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HCD-EP414
6-1. Block Diagram – CD Section –
: CD
• Signal Path
E
B
C
D
A
CD +5V
F
DETECTOR
IC103
RF AMP,
FOCUS/TRACKING ERROR AMP
Q101
AUTOMATIC
POWER
CONTROL
LD
PD
LASER DIODE
IC101 (1/2)
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
S101
(LIMIT)
M101
(SPINDLE)
M
M
M103
(SLED)
IC102
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
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
OPTICAL PICK-UP
BLOCK
(KSM-213EDP)
Summary of Contents for HCD-EP414
Page 41: ...41 HCD EP414 MEMO j o m i ...