27
27
HCD-GNX60/GNX70/GX9900
HCD-GNX60/GNX70/GX9900
7-2. BLOCK DIAGRAM – CD SECTION –
MP3 STB
MP3 REQ
XTCN
MP3 CLK
MP3 ACK
MP3 DATA
MP3 LP
MP3 CS
MP3 RST
SCOR
SENS
CLOCK
XLT
DATA
XRST
R-CH
CD-L
IC731
(TABLE SENSOR)
IC701
(LD)MOTOR DRIVER
IC712
TBL MOTOR DRIVER
Q731
M751(LOADING)
M741(TBL)
RE701
S751
(LEVER SW)
ROTARY
ENCODER
E-3
E-2
E-1
INVERTER
M
M
D+3.3V
OPTICAL PICK-UP
BLOCK
(KSM-215DCP/C2NP)
LD
DRIVER
Q10
CD DIGITAL
OUT
OPTICAL
CD MUTE
Q250,251
+3.3V
LD
GND
FOCUS
COIL
F+
F
T+
T
TRACKING
COIL
IC251
X171
16.9MHz
SL/SP MOTOR
DRIVER
VR
PD
M
M
M101
(SPINDLE)
M102
(SLED)
S101
(LIMIT)
VCC
VC
A
B
C
D
E
F
DETECTOR
DIGITAL SIGNAL
IC301
PROCESSOR
IC210
XTCN
XRST
DATA
XLT
CLOCK
SENS
+3.3V
GNX60/GNX70
IC303
SCOR
CD MUTE DRIVE
Q540, 541
NO402
CN402
IIC-CLK
IIC-DATA
IIC-CLK
IIC-DATA
3
4
CNVSS
TXD1
RTS1
ON BOARD
PROGRAM
CLK1
RXD1
CN VSS
RESET
RESET
VMUTE
3
2
6
9
7
8
CDG/-POWER
CDG/_BGC
CDG/-DET
VMUTE
CDG/_BGC
CDG-DET
CDG-POWER
CNVCC
: CD
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.