HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
16
16
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM - CD SERVO Section -
SYSTEM CONTROLLER
IC301 (1/5)
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
A
AVDD
+3.3V
DETECTOR
BCK
A-IN
BUS1
BUS0
BUS2
BUS3
BUCK
LRCK
GATE
ST-REQ
R-CH
AUTOMATIC
POWER CONTROL
Q301
LD
PD
LASER DIODE
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
B
C
D
E
F
I-V AMP
M401
(SPINDLE)
M402
(SLED)
M
M
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC401
S201
(LIMIT)
DVDD
+3.3V
24
23
X102
16.9344MHz
M
CD-L
DATA, CLOCK,
A-IN, BCK, LRCK,
GATE, ST-REQ
BUS0 – BUS3,
BUCK, CCE, REQ
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: USB
VCC
A
B
C
D
E
F
LD
PD
SP+
VC
SP–
SL+
SL–
T+
T–
F+
F–
BUS SWITCH
IC754
BUS SWITCH
IC753
DATA SELECTOR
IC751
Q352
CCE
REQ
S001
DISC TRAY
OPEN/CLOSE DETECT
OPEN
CLOSE
M001
(LOADING)
CLOCK
DATA