5
KVT-514/524DVD/534DVD
/534DVDM/54DVDR/554DVD
In assembling the Traverse UD arm, Drive cam assembly,
Drive gear 5 and Drive gear 4C, align register marks on
these components.
GEAR POSITION IN A DVD MECHANISM
BLOCK DIAGRAM
Drive gear 5
Drive cam assembly
Do not forcibly press gears to engage their teeth
but freely let the gears fall under their own weight
and engage their teeth.
Traverse UD arm
Drive gear 4C
Inscriptions
(register marks)
on gears
Align 6 marks as
shown in the
figure
U,V
,W COIL
HALL BIAS
HALL SENSOR
DVD LD/CD LD
VREFH
IMON/VR DVD/VR CD
PDIC I/V OUT
FO+/-,TR+/-
THERMISTER
FO5,RO5
P5V
FO2,RO2
3
3
H1H,H1L,HB
A1,A2,A3
P5V
VHALF
FG
A5V
D5V
A3.3V
7
3
VHALF
VHALF(1.65V)
TRCRS
TE
SEN,SCK,STDI
FBAL,JLINE,
ARF,NARF
TSTSG
FG,EXCNT1
SDA,SCL
DR
V.MUTE,LO.MTE,
FADR0-17,
TRDR
V,PWM8,
BMS,STEP A,STEP B
NCE,NWE,NOE
FTD0-7
2
8
D5V A3.3V
1.5V
D3.3V
16.897849MHz
NRST
D3.3V
ATAPI IF
D5V
P5V
DISC DET
A5V
LIM-SW
4
SEN,SCK,STDI
VREF,EC
RF,FE1,FE2
A,B,C,D,E,F,
9
3
FE,AS,RFENV,RFDIFO
OFTR,BDO,VREF2
21
D3.3V
D3.3V
9
DVDON/
CDON
TEMP
DET(AD)
2
D3.3V
2
VR
SPDR
V,FODR
V,
LPC1,2
VREFH
4
FO3,RO3
FO4,RO4
FO6,RO6
BMS,MUTE
HFM3.3V
PDIC VCC
HFM
SW EJEND
STBY,SPIN,IN2-6
A5V
SW
4
SPINDLE
MOTOR
DISC
OPTICAL PICKUP
STEPPING
2 PHASE
CN1
30PIN
28PIN
CN3
MOTOR &
DRIVER
ACTUATOR
M
DC MOTOR
LO/EJ
PROCESSOR
FRONT-END
IC1
Q12,13
OPTICAL DISC
CONTROLLER
RESET IC
CN2
50PIN
3.3V REG
IC14
D3.3V
A3.3V
A5V
D5V
1.5V REG
IC13
1.5V
to
MAIN
Tr
APC
IC10
Q16
IC4
IC3
FLASH ROM
EEPROM
IC11
HALL
IC
D7
SW LOEND
SW LOST
UNIT
IC5
DVS-8220V/W BLOCK DIAGRAM (X37-123/125)
