4
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
BLOCK DIAGRAM
DVD MECHANISM ASS'Y
( X92-4730-0x : DVS-301x / X92-4750-0x : DVS-303x )
UNIT
LOADING SW
DVD UNIT (X37-1020-01)
VM1
SPINDLE
MOTOR
DISC
OPTICAL LASER
PICKUP
LD(650nm)
VPU1
STEPPING MOTOR
2 PHASE
CN1 :
30PIN
CN3 :
11PIN
4PIN
CN2 :
MOTOR &
DRIVER
ACTUATOR
IC6
FEED
VM2
MOTOR
LA6505
5V AVR.
Q6
M
MOTOR
LOADING
VM3
IC7
PROCESSOR
FRONT END
AN8703FH
IC1
IC2
IOP
DET
MICROPROCESSOR
DF2328VTE25Q5
TH1
THERMISTER
EEPROM
IC11
S-24C04BMFN
Q2,4,5
HD74LV2G66A
ANALOG SW
IC4
OPTICAL DISC
CONTROLLER
MN103S26E
S-80829CLBB
IC5
RESET IC
CN4 :
50PIN
4PIN
CN4 :
4PIN
S4 : DOWN SW
S5 : SLT
3.3V REG
NJM2880U33
IC10
D3.3V
A3.3V
D5V
A5V
1.8V REG
UPC2918T
IC9
1.8V
VOLTAGE DET
S-80815CLBB
IC8
to
MAIN
UNIT
Tr
APC
U.
V
.W
COIL
HALL BIAS
HALL SENSOR
DVD LD/CD LD
VC(2.2V)
MD(DVVD/CD)
I/V OUT(DVD/CD)
FO+/-,TR+/-
HFM VCC
A5V
PD VCC
PWMx2
7V
BTLx2
8
3
PWM
SOFT-SW
7V
VHALF(1.65V)
FG
D/A
SLED
MUTE
LO/EJECT
DRV1.65
A/D
(D
VD ONL
Y)
2
A5V
to A/D
5V
A3.3V
A/D
A/D
A/D
IOP DET
VHALF(1.65V)
SD
A
SCK
EEPON
WP
D3.3V
4
SEN
STBY
STDIO
SCK
7
4
BALANCE TRANSFER
HFM ON
VHALF(1.65V)
NARF
TSTSG
VHALF(1.65V)
TRCRS
TE
TRDRV
ARF
JLINE
FBAL
TMBAL
FE
OFTR
RFENV
AS
BDO
VREF2
FODRV
SPDRV
FG
CLK
OUT
NRESET
A0-A17
D0-D7
XWR
XINT0
CPU IREQ
XCS
XRD
XINT1
XW
AIT ODC
MON(TZC
,OFTR,DRDT)
18
8
3
4
16.897849MHz
RESET
DATA BUS
ADDRESS BUS
MONITOR
D3.3V
D5V A3.3V
1.8V
D3.3V
16.897849MHz
X1
NRST
D3.3V
ATAPI IF
5V
7V
DISC DET
A
B
C
D
4
SW
SW
ON/OFF
A5V
