22
22
HCD-CQ1
6-2. Block Diagram – CD Section –
64 15
A+3.3V
DETECTOR
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
LD
PD
LASER DIODE
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
14
5
6
26
7
8
3
18
20
1 2
9 21
27
M101
(SPINDLE)
M
M
M102
(SLED)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
OPTICAL PICK-UP
BLOCK
(KSS-213D/Q-RP)
FILTER
60
R-CH
PWM2
PWM3
PWM2
PWM1
XLAT
CD CLOK
CD DATA
• signal path
: CD
• R-CH is omitted due to same as L-ch.
CD
L-CH
When the optical
pick-up is inner
position
ON :
67
66
X101
16.9344MHz
S101
(LIMIT)
D+3.3V
Summary of Contents for HCD-CQ1
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