HCD-GT111/GT222/GT444/GT555
HCD-GT111/GT222/GT444/GT555
23
23
SECTION 7
DIAGRAMS
7-1. BLOCK DIAGRAM - CD SERVO, USB Section -
SYSTEM CONTROLLER
IC401 (1/4)
2-AXIS
DEVICE
(TRACKING)
A
+3.3V
DETECTOR
BCK
A-IN
BUS1-U
BUS0-U
BUS2-U
BUS3-U
BUCK-U
LRCK
GATE
ST-REQ
R-CH
LD
PD
LASER DIODE
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
B
C
D
E
F
I-V AMP
M401
(SPINDLE)
M402
(SLED)
7
M
M
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC401
S201
(LIMIT)
+3.3V
X102
16.9344MHz
CD-L
R-CH
USB_REC-L
R-ch is omitted due to same as L-ch.
VCC
A
B
C
D
E
F
LD
PD
SP+
VC
SP–
SL+
SL–
T+
T–
F+
CLK
DATA
BUS SWITCH
IC670
BUS SWITCH
IC672
Q671
DATA SELECTOR
IC673
CCE-U
REQ-U
CLK
DATA
S-RAM
IC921
USB CONTROLLER
IC901
CN1000
(USB)
3
2
1
D+
D–
VBUS
VBUS POWER
ON/OFF SWITCH
IC915
VBUS
+5V
57 BUS2
58 BUS3
59 /BUCK
60 /CCE
96 REQ
7 – 10, 13 – 16,
18 – 25, 28 – 35
44 – 42, 27 – 24,
37 – 43, 46 – 54
X901
9MHz
AUTOMATIC
POWER
CONTROL
Q301
BCK
A-IN
LRCK
GATE
ST-REQ
BUS1-U
BUS0-U
BUS2-U
BUS3-U
BUCK-U
CCE-U
REQ-U
A/D CONVERTER
IC501
DATA SELECTOR
IC502
CD MECHANISM
DECK
M1-
M2+
M2-
M1+
MOTOR
DRIVE
Q640, 641,
Q643 - 648
SW3
SW2
SW7-CHACK
SW1
SW5-STOCK
SW8-OPEN
SW6-CLOSE
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
9
9
4
2
0
5
1
3
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299