HCD-CPX1
21
21
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – CD SERVO Section –
A+3.3V
DETECTOR
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
AUTOMATIC
POWER
CONTROL
Q101
LD
PD
LASER DIODE
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
M101
(SPINDLE)
M
M
M102
(SLED)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
FILTER
60
R-CH
PWM1
PWM3
PWM2
PWM3
PWM2
PWM1
XLAT
CLOK
DATA
IN
OUT
S1
LOADING IN/OUT
DETECT
LOADING MOTOR
DRIVER
IC201
M201
(LOADING)
M
• SIGNAL PATH
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL OUT)
• R-ch is omitted due to same as L-ch.
CD DIGITAL OUT
OPTICAL
CD
When the optical
pick-up is inner
position
ON :
MUTING
Q201
MUTING CONTROL
SWITCH
Q203, 204
R-CH
X101
16.9344MHz
A+3.3V
S101
(LIMIT)
D+3.3V