SAMSUNG SD_606FE Service Manual

DVD-ROMDRIVE

SD-606F

Manual

DVD-ROM

DVD-ROM DRIVE

Service

CONTENTS

1.Precautions

2.Specifications

3.Generalinformation
3-1.Externalpartname

3-2.Cricuitdescription
3-3.Troubleshooting
3-4.ICinternalblockandICpinoption

4.DisassemblyandReassembly

5.Alignmentandadjustment

6.Explodedviewsandprats

7.CricuitPartlist

8.Blockdiagram

9.Electricalboard

10.Schematicdiagrams

¨ÏSamsungElectronicsCo.,Ltd.

May.1999 PrintedinKorea
CodeNo.:BG68-00091A

1.Precautions

1-1.Generalitems

1)Becarefulnottohaveeyesorapartof
bodytouchwithlaserdiodeatrepairbecause
thisproductuseslaserdiode.

2)DonotdisassemblePick-upatrepair.

Ifthelaserdiodeisbad,replacethe

entirePick-up.

3)KeepawayfromTVorotherelectricalunits

atrepairtopreventainfluencefrom

surroundingunits.

4)Ifyouwanttoreplacethepartsduring

repair,besuretoplugoffpowercable
beforereplacement.

5)IfyouinsertadiscintoCDplayer,beg

suretoloaditcorrectly.

1-2.Electricitysensingdevice

Somesemiconductorunitsmaybedamagedeasilyby
electricity.Theseelementsarecalledaselectricity
sensingdevice(ESD)ingeneral.Forexample,
integratedcircuit,fieldeffecttransister,
semiconductchip.
Thefollowingmethodshavetobeusedtoreducethe
accidentofelementdamagegeneratedbyelectricity.

1)Emitallelectricchargesinyourbodythrough
contactwithearthingmaterailatoncebefore
handlingasemiconductorfactorordevice
includingit.
Inotherway,makeuseofcommercialwristlet
againstelectIC101ty.Itshallbedetachedbefore
powerimpressiontotheunitontestingbecause
ofshock.

2)Afterdetachinganelectricaldeviceincluding
ESD,itshallbeplacedonconductiveurfacesuch
asaluminiumtopreventthechargeacummulation
andunitexposure.

3)Utilizeonlythesolderingironwithearthedend
forESDsolderingorrelease.

4)Makeuseofonlyanti-staticsolderingrelease
unit.Asolderingreleaseunitnottobe
classifiedasanti-staticmaygeneratetheenough
chargetodamageESDunit.

5)NeveruseaFreon-propellingchemicalproduct.
ItmaygeneratetheenoughchargetodamageESD.

6)Becausethisunitcan'tbeusedbyitself,surely
mountitonPC(pentiumormore)andcheckthe

operationsinuseofprivatedevicedrivefloppy
diskettd.RefertoInstructionmanual.

7)Thisunithasmanypartswithfeaturesrelatedto

safetyandespecially,foressentialparts,the

importanceisindicatedoncircuitdiagramandpart
list.Becertaintousethepartswithsame
specificationsatreplacingtheseparts.

6)UntillinstallingESDunitforreplacement,never
itfromprotectionpackage.(MostofESDunitfor
replacementhaveleadcomposedofpackageshorted
electricallybyconductivefoam,aluminiumor
similarconductivematerial.

7)ContactwithshassisincludingESDorprotection
materialincircuitpartshustbeforedetachingthe
protectionmeterialfromleadofESDunitfor
replacement.

NOTE:Besuretoavoidthepowerimpression
totheshassisorcircuitandobservethesafey
instruction

8)Minimizethebodyactionathandlinganunpacked
ESDunitforreplacement.
(Otherwise,anunconsciousaction,sotospeak,
frictionbetweenclothesorfootliftingfrom
carpetfloormaygeneratetheenoughchargeto
damageESDunit.)

SamsungElectronics

1-1

1-3.Safetyinstructions

1)Readallsafetyandoperationalmanualsbefore
operatingthisproduct.

2)Keepthesafetyandoperationalmanualsforfuture

reference.

3)Observeallprecationsandoperationalinstuctions
inoronthesufaceofthisproduct.

4)Followalloperationandmaintenancecautions.

5)Besuretoplugoffthepowercablebeforecle­aning.Useadryclohtocleanadustycoverof
cabinetinsteadofInsteadofliquidoraersol
cleaner.

6)Neveruseaattachmentnottoberecommended

bythiscompany.Itmayresultindangerand
damage.

7)Neverusethisproductaroundwatersuchas
bathtub,washbasin,laundrymachine,swimming
poolorlakeside.

8)Neverplacethisproductonbed,sofaoraround
radiatorandheater.

9)Power:Utilizetheonlypowerdisplayedonlebel
Ifthepowertypecan'tbechecked,calltodea­lerofKoreaElectricity,Co,Ltd.Refertoopera­tethisproductbybatteryorotherpower.

10)Lightning:Plugoffthepowercableforproduct

protectionduringthunderandlightningflashesor
thisproductisunusedforalongtime.

11)Overload:Becarefulthatthewalloutletand
expandedcordisoverloadedduetodangerof
fireandelectricshock.

12)Neverinsertasubstanceorliquidintothis

prouct.Itmaycausefireorshorckbycontact
withvoltagepointorshort.

13)Partreplacement:Theserviceengineerhasto
usethepartsofsamespecificationatreplace­ment.Otherwire,Otherwire,fire,shockorother
dangersmaybeoccurred.

14)Safetycheck:Besuretoperformthesafety
checkatserviceorrepaircompletion.

Importance

:

Thisproductincludesspecialimpotrant
partsonsafety.Thesepartsareindicated
by onschematicdiagram.
Atreplacementoftheseparts,usethe
partsofsamespecificationduetoshock,
fireorotherdangers.
Nevertransformtheoriginaldesign
withoutpermissionofthiscompany.

1-4.EarthingcautionsathandlingPick-up

BecausethelaserdiodeinopticalPick-upissubject
togetoutoforderduetothepotentialdifference
occurringbyelectricityloadchargedinclothesor
bodies,observethefollowingeathingitemsat
handling.

1)Bodyearthingatrepair:Besuretowearawrist
stripwithonesideearthed.(Impedance:Below

4

10§Ù).Itremovestheelecticityformedinbody.

2)Wiretableearthing:Puttheearthedconductive
Plate(Impedance:Below10§Ù)suchascopperplate
onworktable.

4

3)Cautionsforclothes:Donothaveanyclothesis
destroyedeasily.

4)FFCoperationbecarefultohandleFFCbecause

itmaybedamagedeasily.

1-2

SamsungElectronics

2.Specifications

Thespecificationanddesignmaybealteredwithoutpreviousnoticeandthebelowweightanddimensions
areapproximatevalues.

Drivetype Computerbuilt-in
Powerconsumption DC+5V,1.5A.DC+12V,1A(MAX)

General

option

Electrical

feature

Weight 830g
Dimension 149mm(W)*200mm(D)*42.5mm(H)
Allowableoperational

temperature

+5C~+45C

Allowableoperationalhumidity: 8%~80%
Standardmode CD-ROMMode1,2
Interface ATAPIBUS(IDE)
Datatransferrate CD-ROM:4,800Kbyte/sec,DVD-ROM:6,800Kbyte/sec

1/3stokeBelow:100ms

ACCESS

TIME

CD-ROM

fullstokeBelow:180ms
1/3stokeBelow:110ms

CD-ROM

fullstokeBelow:200ms

Buffercapacity 512KB

-12

-9

Errorratio

Mode1:Below10

CD-ROM

Mode1:Below10

DVD-ROM Below10

-15

Frequencyresponse 20Hzto2KHz:Below+/-¾3dB

LINEOUTover:75dB

Signaltonoiseratio

H/PHONEover:65dB

Distortionfactor Below0.15%(1KHz)

LINEOUT:0.7Vrms +/-¾20%

Signaloutputlevel

H/PHONE:0.6Vrms +/-¾20%

UsedLaser Semiconductorlaser

SamsungElectronics

2-1

4.DisassemblyandReassembly

4-1.ExteriorandPCBdisassembly

4-1-1Door-tray

1)Supplypowertoopenthetray indirectionofarrow"A"

2)Liftupthedoor indirectionofarrow"B"

3)Closethetray andpoweroff.
Reference:Ifthetray doesn'topen,pushtheclip intospecifiedholeshownindetailedfigure

toopenitcompulsorily.

DOOR

¡°B¡±

TRAY

¡°A¡±

BYSY

70mm

CLIP

Figure4-1Doortray

4-1

SamsungElectronics

4-1-2Panelfront

1)Remove6hooks

2)Takeoutthepanel-front forward.

DisassemblyandReassembly

Panel-front

SamsungElectronics

6Hooks

Figure4-2Panel-front

4-2

DisassemblyandReassembly

4-1-3Top-cabinet

1)Remove4screws inthebottom

2)Liftupthetop-cabinet

Top-cabinet

4-3

4Screws

Figure4-3Top-cabinet

SamsungElectronics

4-1-4Ass'y-frameLow

1)Liftuptheass'yframe

DisassemblyandReassembly

Ass'yframe

SamsungElectronics

Figure4-4Ass'y-frameLow

4-4

DisassemblyandReassembly

4-1-5MAIN-PCB

1)Remove4hooks forPCBfixingindeck.

2)DisassembletheMAIN-PCB

3)DisassembletheStepMotorFPC inPCB.

4)Removesolderingatmotorconnectionwire inPCB.

5)DisassembletheFPC betweenMainPCBandFrontPCB.

6)DisassembletheFPC betweenMainPCBandFrontPCB.

4hooks

MOTORWire

PickupFFC

PCB-MAIN

4-5

Figure4-5Disassemblyconnector

SamsungElectronics

4-3.Deckdisassembly

4-3-1Tray,Clamper

1)Remove4hooks

2)Liftuptheass'yclamper

3)Push2hooks

4)Litupthetray

Ass'yclamper

Tray

4hooks

2hooks

SamsungElectronics

Figure4-6Tray

4-6

DisassemblyandReassembly

4-3-2Ass'y-DeckDVD

1)Movetheslidecam inleftdirection.

2)Disassembletheass'y-deckDVD inarrow"B"directionwithpushingthe2hooks in

directionofarrow"A"

Ass'y-DeckDVD

Slidecam

"B"

¡°A¡±

hook

<Detailedfigure>

4-7

Figure4-7Ass'y-DeckDVD

SamsungElectronics

DisassemblyandReassembly

4-3-3Chassis-mainindividualmaterials

1)Removescrew ,andliftuptheGEARTRAY

2)LiftuptheGEARB

3)Removescrew ,andliftuptheGEARA ,GEARD

4)LiftuptheASSS'YOPENLEVER

5)LiftuptheSLIDECAM

6)Remove2screws ,andremovetheMOTORASS'Y in"A"direction

GEARTRAY

GEARD

GEARB

2Screws

GEARA

ASS'YOPENLEVER

SLIDECAM

SamsungElectronics

¡°A¡±

MOTORASS'Y

Assemblingthemotorandpulley:Theheightof
pulleyshallbesameastheendofmotorshaft.

Figure4-8Chassis-mainindividualmaterials

4-8

4-3-4Ass'y-deck

1)Remove4screws

2)Liftuptheass'y-deck

3)Removethepick-upFFC in"A"

¡°A¡±

DisassemblyandReassembly

PickupFPC

DECKFPC

Ass'y-deck

4-9

Figure4-9Ass'y-deck

SamsungElectronics

DisassemblyandReassembly

4-3-5Ass'y-deckindividualmaterials

1)Remove4dampers

2)Rotate180¡£theSHAFTCOVER inCCWdirection.

3)Remove2screws ,andremovethe2CAMs ,andliftupSHAFTP/U

4)LiftuptheAss'y

5)Remove3screws ,andremovevtheMOTORSPINDLE ,anddisassembletheDECK-FFC

6)Remove2screws ,anddisassembletheSTEPMOTOR

7)Remove1screwanddisassemblethespringplate

Figure4-10Ass'y-deckindividualmaterials

4-10Samsungelectronics

5.PLLADJUSTMENT

5-1.PLLadjustment(FORDVD)

1)InsertDVDdisk,makeitfullstrokeonCDT.MakinguseofSVR1,andthenturnitCW
withatthecontroller.NextturnVRCCWatthepoint¨Íofstopingstroke.Againcheckup
thepoint¨ÎofstopingstrokeVR¨Îlocatedbetweenpoint¨Íand¨Î.VRisliedhalfway
betweentwopoint.

ex)

¨Í position

ccw

<Afteradjustmentposition>

¨Î position

<MAIN-PCB:operationalpositiondiagram>

5-1

Samsungelectronics

3-4. ICinternalblockandICpinoption

3-4-1IC301(KS88C4504)

SamsungElectronics 3-25

ICinternalblockandICpinoption

3-4-2IC101(TA1293F)

3-26 SamsungElectronics

3-4-3IC201(TC9453AF)

ICinternalblockandICpinoption

SamsungElectronics

3-27

ICinternalblockandICpinoption

3-4-4IC501(TC9469F)

3-28

SamsungElectronics

3-4-5IC401(M56788FP)

ICinternalblockandICpinoption

SamsungElectronics

3-29

ICinternalblockandICpinoption

3-4-6IC402(BA6849FP)

3-4-7IC502(MIIB416256A)

3-30

SamsungElectronics

3-4-8IC203(V53C16258HK25)

ICinternalblockandICpinoption

PinDescriptions:

3-4-9IC701(BH3543F)

SamsungElectronics

3-31

IC internal block and IC pin option

3-4-10 IC111,IC460(NJM 3414)

3-4-11 IC801, IC802(PQ20WZ51)

PIN FUNCTION

1. A OUTPUT

2. A-INPUT

3. A+INPUT

4. GND

5. B+INPUT

6. B-INPUT

7. B OUTPUT

8. V+

20WZ51

SHA RP

3-4-12 IC102(TC4 S66F)

¨ç DC INPUT(Vin)
¨è ON/OFF CONTROL(Vc)
¨é DC OUTPUT(Vo)
¨ê Output Voltage Adjustment(Vadj)
¨ë GND

3-32

Samsung Electronics