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