Daewoo DS-2000D Schematic

MODEL

SERVICE MANUAL

CAUTION : Before servicing this chassis, read the "PRODUCT SAFETY SERVICE FOR VIDEO PRODUCTS" section
on page 2 of this manual.

DS-2000D

DVD and CD
PLAYER

DVD VIDEO PLAYER

SEPECIFICATION

Signal system
Laser
Frequency response
Signal/Noise ratio

Audio distortion+noise
Channel Separation
Dynamic range

OUTPUTS

Video outputs
S-video outputs

Audio outputs (digital audio)
Audio outputs (analog audio)

GENERAL

Power supply
Power consumption
Dimensions
Operating temperature
Weight

NTSC/AUTO/PAL
Wavelength 650nm
20Hz 20kHz

85dB

-80dB(1kHz)
90dB(1kHz)
85dB(1kHz)

1.0V(p-p), 75ohm, negative sync.
(Y)1.0V(p-p), (C)0.286V(p-p)
75ohm, negative sync.

0.5V(p-p), 75ohm

2.0V rams(1KHz, 0.8dB), 10Kohm

AC230V, 50Hz

20W
435 x 90 x 280 (mm)
540
Around 4kgs

PRODUCTSAFETYSERVICINGGUIDELINESFORVIDEOPRODUCTS

CAUTION:DONOTATTEMPTTOMODIFYTHISPRODUCTINANYWAYAND
NEVERPERFORMCUSTOMIZEDINSTALLATIONSWITHOUT
MANUFACTURER'SAPPROVAL.UNAUTHORIZEDMODIFICATIONSWILLNOT
ONLYVOIDTHEWARRANTY,BUTMAYLEADTOYOURBEINGLIABLEFOR
ANYRESULTINGPROPERTYDAMAGEORUSERINJURY.

SERVICEWORKSHOULDBEPERFORMEDONLYAFTERYOUARE
THOROUGHLYFAMILIARWITHALLOFTHEFOLLOWINGSAFETYCHECKS
ANDSERVICINGGUIDELINES.TODOOTHERWISE,INCREASESTHERISKOF
POTENTIALHAZARDSANDINJURYTOTHEUSER.

WHILESERVICING,USEANISOLATIONTRANSFORMERFORPROTECTION
FROMA.C.LINESHOCK.

SAFETYCHECKS

AFTERTHEO RIGINALSERVICEPROBLEMHASBEENCORRECTED,ACHECK
SHOULDBEMADEOFTHEFOLLOWING.

SUBJECT:FIRE&SHOCKHAZARD

1.BESURETHATALLCOMPONENTSAREPOSITIONEDINSUCHAWAYAS
TOAVOIDPOSSIBILITYOFADJACENTCOMPONENTSHORTS.THISIS
ESPECIALLYIMPORTANTONTHOSEMODULESWITCHARE
TRANSPORTEDTOANDFROMTHEREPAIRSHOP.

2.NEVERRELEASEAREPAIRUNLESSALLPROTECTIVEDEVICESSUCHAS
INSULATORS,BARRIERS,COVERS,SHIELDS,STRAINRELIEFS,POWER
SUPPLYCORDS,ANDOTHERHARDWAREHAVEBEENREINSTALLEDPER
ORIGINALDESIGN.BESURETHATTHESAFETYPURPOSEOFTHE
POLARIZEDLINEPLUGHASNOTBEENDEFEATED.

3.SOLDERINGMUST BEINSPECTEDTODISCOVERPOSSIBLECOLD
SOLDERJOINTS,SOLDERSPLASHESORSHARPSOLDERPOINTS.BE
CERTAINTOREMOVEALLLOOSEFOREIGNPARTICLES.

4.CHECKFORPHYSICALEVIDENCEDFDAMAGEORDETERIORATIONTO
PARTSANDCOMPONENTS,FORFRAYEDLEADSANDDAMAGED
INSULATION(INCLUDINGA.C.CORD),ANDREPLACEIFNECESSARY
FOLLOWORIGINALLAYOUT,LEADLENGTHANDDRESS.

5.NOLEADORCOMPONENTSHOULDTOUCHARECEIVINGTUBEORA

RESISTORRATEDAT1WATTORMORE.LEADTENSIONAROUND
PROTRUDINGMETALSURFACESMUSTBEAVOIDED.

6.ALLCRITICALCOMPONENTSSUCHASFUSES.FLAMEPROOFRESISTORS,

CAPACITORS ,ETC.MUSTBEREPLACEDWITHEXACTFACTORYTYPES,
DONOTUSEREPLACEMENTCOMPONENTSOTHERTHANTHOSE
SPECIFIEDORMAKEUNRECOMMENDEDCIRCUITMODIFICATIONS.

7.AFTERRE-ASSEMBLYOFTHESET,ALWAYSPERFORMANA.C.LEAKAGE
TESTONALLEXPOSEDMETALLICPARTSOFTHECABINET,(THE
CHANNELSELECTORKNOB,ANTENNATERMINALS.HANDLEAND
SCREWS)TOBESURETHESETISSAFETOOPERATEWITHOUTDANGER
OFELECTRICALSHOCK.DONOTUSEALINEISOLATIONTRANSFORMER
DURINGTHISTEST,MAKESURETOUSEANA.C.VOLTMETER.HAVING
5000OHMSPERVOLTORMORESENSITIVITY,INTHEFOLLOWING
MANNER;CONNECTA1500OHMS10 WATTRESISTOR,PARALLELEDBY
A.15MFD.150VA.C.TYPECAPACITORBETWEENAKNOWNGOODEARTH
GROUND(WATERPIPE,CONDUIT,ETC.)ANDTHEEXPOSEDMETALLIC
PARTS,ONEATATIME.MEASURETHEA.C.VOLTAGEACROSSTHE
COMBINATIONOF1500OHMRESISTORAND15MFDCAPACITOR.
REVERSETHEA.C.PLUGANDREPEATA.C.ANYVOLTAGE
MEASUREMENTSFOREACHEXPOSEDMETALLICPART.VOLTAGE
MEASUREDMUSTNOTEXCEED75VOLTSR.M.S.THISCORRESPONDS
TO0.5MILLIAMPA.C.ANYVALUEEXCEEDINGTHISLIMITCONSTITUTESA
POTENTIALSHOCKHAZARDANDMUSTBECORRECTEDIMMEDIATELY.

GOODEARTHGROUND
SUCHASTHEWATER
PIPE,CONDUIT,ETC.

PLACETHISPROBE
ONEACHEXPOSED
METALPART

SUBJECTGRAPHICSYMBOLS

THELIGHTNINGFLASHWITHAPROWHEADSYMBOL.WI THINAN
EQUILATERALTRIANGLE,ISINTENDEDTOALERTTHESERVICE
PERSONNELTOTHEPRESENCEOFUNINSULATED"DANGEROUS
VOLTAGE"THATMAYBEOFSUFFICIENTMAGNITUDETO
CONSTITUTEARISKOFELECTRICSHOCK.

THEEXCLAMATIONPOINTWITHINANEQUILATERALTRIANGLEIS
INTENDEDTOALERTTHESERVICEPERSONNELTOTHE
PRESENCEOFIMPORTANTSAFETYINFORMATIONINSERVICE
LITERATURE.

SUBJECT:X-RADIATION

1.BESUREPROCEDURESANDINSTRUCTIONSTOALLSERVICEPERSONNEL
COVERTHESUBJECTOF
X-RAYSINCURRENTT.V.RECEIVERSISTHEPICTURETUBE.HOWEVER,
THISTUBEDOESNOTEMITX-RYSWHENTHEHIGHVOLTAGEISATTHE
FACTORYSPECIFIEDLEVEL.THEPROPERVALUEISGIVENINTHE
APPLICABLESCHEMATIC.OPERATIONATHIGHERVOLTAGESMAYCAUSEA
FAILUREOFTHEPICTURETUBEORHIGHVOLTAGESUPPLYAND,UNDER
CERTAINCIRCUMSTANCES,MAYPRODUCERADIATIONINEXCESSOF
DESIRABLELEVELS.

2.ONLYFACTORYSPECIFIEDC.R.TANODECONNECTORSMUSTBEUSED.

DEGAUSSINGSHIELDSALSOSERVEASANX-RAYSHIELDINCOLORSETS,
ALWAYSRE-INSTALLTHEM.

3.ITISESSENTIALTHATSERVICEPERSONNELHAVEAVAILABLEAN

ACCURATEANDRELIABLEHIGHVOLTAGEMETER.THECALIBRATIONOF
THEMETERSHOULDBECHECKEDPERIODICALLYAGAINSTA
REFERENCESTANDARD,SUCHASTHEONEAVAILABLEATYOUR
DISTRIBUTOR.

4.WHENTHEHIGHVOLTAGECIRCUITRYISOPERATINGPROPERLY,THEREIS

NOPOSSIBILITYOFAN
CHASSISISSERVICED,THEBRIGHTNESSSHOULDBERUNUPANDDOWN
WHILEMONITORINGTHEHIGHVOLTAGEWITHAMETERTOBECERTAIN
THATTHEH IGHVOLTAGEDOESNOTEXCEEDTHESPECIFIEDVALUEAND
THATITISREGULATINGCORRECTLY.WESUGGESTTHATYOUANDYOUR
SERVICEORGANIZATIONREVIEWTESTPROCEDURESSOTHATVOLTAGE
REGULATIONISALWAYSCHECKEDASASTANDARDSERVICING
PROCEDUREANDTHATTHEHIGHVOLTAGEREADINGBERECORDEDON
EACHCUSTOMER'SINVOICE.

5.WHENTROUBLESHOOTINGANDMAK INGTESTMEASUREMENTSINA

PRODUCTWITHAPROBLEMOFEXCESSIVEHIGHVOLTAGEAVOIDBEING
UNNECESSARILYCLOSETOTHEPICTURETUBEANDTHEHIGHVOLTAGE
SUPPLYDONOTOPERATETHEPRODUCTLONGERTHANITISNECESSARY
TOLOCATETHECAUSEOFEXCESSIVEVOLTAGE.

6.REFERTOHV.B+ANDSHUTDOWNADJUSTMENTPROCEDURES

DESCRIBEDINTHEAPPROPRIATESCHEMATICANDDIAGRAMS(WHERE
USED).

X-RADIATION.THEONLYPOTENTIALSOURCEOF

X-RADIATIONPROBLEM.EVERYTIMEACOLOR

SUBJECT:IMPLOSION

1.ALLDIRECTVIEWEDPICTURETUBESAREEQUIPPEDWITHANINTEGRAL

IMPLOSIONPROTECTIONSYSTEM,BUTCARESHOULDBETAKENTO
AVOIDDAMAGEDURINGINSTALLATION,AVOIDSCRATCHINGTHETUBE.IF
SCRATCHEDREPLACEIT.

2.USEONLYREC OMMENDEDFACTORYREPLACEMENTTUBES.

SUBJECT:TIPSONPROPERINSTALLATION

1.NEVERINSTALLANYPRODUCTINACLOSED-INRECESS.CUBBYHOLEOR

CLOSELYFITTINGSHELFSPACE,OVERORCLOSETOHEATDUCT,ORIN
THEPATHOFHEATEDAIRFLOW.

2.AVOIDCONDITIONSOFHIGHHUMIDITYSUCHAS:OUTDOORPATIO

INSTALLATIONSWHEREDEWISAFACTOR,NEARSTEAMRADIATORS
WHERESTEAMLEAKAGEISAFACTOR,ETC.

3.AVOIDPLACEMENTWHEREDRAPERIESMAYOBSTRUCTREARVENTING.

THECUSTOMERSHOULDALSOAVOIDTHEUSEOFDECORATIVE
SCARVESOROTHERCOVERINGSWHICHMIGHTOBSTRUCTVENTILATION.

4.WALLANDSHELFMOUNTEDINSTALLATIONSUSINGACOMMERCIAL

MOUNTINGKI T,MUSTFOLLOWTHEFACTORYAPPROVEDMOUNTING
INSTRUCTIONS.APRODUCTMOUNTEDTOASHELFORPLATFORMMUST
RETAINITSORIGINALFEET(ORTHEEQUIVALENTTHICKNESSINSPACERS)
TOPROVIDEADEQUATEAIRFLOWACROSSTHEBOTTOM.BOLTSOR
SCREWSUSEDFORFASTENERSMUSTNOTTOUCHANYPARTSOR
WIRING.PERFORMLEAKAGETESTONCUSTOMIZEDINSTALLATIONS.

5.CAUTIONCUSTOMERSAGAINSTTHEMOUNTINGOFAPRODUCTON

SLOPINGSHELFORATILTEDPOSITION,UNLESSTHEPRODUCTIS
PROPERLYSECURED.

6.APRODUCTONAROLL-ABOUTCARTSHOULDBESTABLEONITS

MOUNTINGTOTHECARTCAUTIONTHECUSTOMERONTHEHAZARDSOF
TRYINGT OROLLACARTWITHSMALLCASTERSACROSSTHRESHOLDS
ORDEEPPILECARPETS.

7.CAUTIONCUSTOMERSAGAINSTTHEUSEOFACARTORSTANDWHICH

HASNOTBEENLISTEDBYUNDERWRITERSLABORATORIES,INC.FORUSE
WITHTHEIRSPECIFICMODELOFTELEVISIONRECEIVEROR
GENERICALLYAPPROVEDFORUSEWITHTV'SOFTHESAMEORLARGER
SCREENSIZE.

8.CAUTIONCUSTOMERSAGAINSTTHEUSEOFEXTENSIONCORDS.EXPLAIN
THATAFORESTOFEXTENSIONSSPROUTINGFROMASINGLEOUTLET
CANLEADTODISASTROUSCONSEQUENCESTOHOMEANDFAMILY.

SERVICINGPRECAUTIONS

CAUTION:BeforeservicingtheDVDcoveredbythis
servicedataanditssupplementsandADDENDUMS,read
andfollowthe:if
unforeseencircumstancescreateconflictbetweenthe
followingservicingprecautionsandanyofthesafety
precautionsinthispublications,alwaysfollowthesafety
precautions.

RememberSafetyFirst:

SAFETYPRECAUTIONSNOTE

GeneralServicingPrecautions

1.AlwaysunplugtheDVDACpowercordfromtheAC
powersourcebefore:

(1)Removingorreinstallinganycomponent,circuitboard,

module,oranyotherassembly.

(2)Disconnectionorreconnectinganyinternalelectrical

plugorotherelectricalconnection.

(3)Connectingatestsubstituteinparallelwithan

electrolyticcapacitor

Caution:

polarityinstallationofelectrolyticcapacitorsmay
resultinanexplosionhazard.

2.DonotspraychemicalsonornearthisDVDoranyofits

assemblies.

3.Unlessspecifiedotherwiseinthisservicedata,clean

electricalcontactsbyapplyinganappropriatecontact
cleaningsolutiontothecontactswithapipecleaner,
cotton-tippedswab,orcomparablesoftapplicator.

Unlessspecifiedotherwiseinthisservicedata,
lubricationofcontactsisnotrequired.

4.Donotdefeatanyplug/socketB+vo ltageinterlockswith

witchinstrumentscoveredbythisservicemanualmight
beequipped.

5.DonotapplyACpowertothisDVDand/oranyofits

electricalassembliesunlessallsolid-statedeviceheat
sinksarecorrectlyinstalled.

Awrongpartsubstitutionorincorrect

ElectrostaticallySensitive(ES)Devices

Somesemiconductor(solidstate)devicescanbedamaged
easilybystaticelectricity.Suchcomponentscommonlyare
calledElectrostaticallySensitive(ES)Devices.Examplesof
typicalESdevicesareintegratedcircuitsandsomefield
effecttransistorsandsemiconductorchipcomponents.

Thefollowingtechniquesshouldbeusedtohelpreducethe
incidenceofcomponentdamagecausedbystaticelectricity.

1.Immediatelybeforehandlinganysemiconductor
componentorsemiconductor-equippedassembly,drain
offanyelectrostaticchargeonyourbodybytouchinga
knownearthgro und.Alternatively,obtainandweara
commerciallyavailabledischargingwriststrapdevice,
whichshouldberemovedforpotentialshockreasons
priortoapplyingpowertotheunitundertest.

2.AfterremovinganelectricalassemblyequippedwithES

devices,placetheassemblyonaconductivesurface
suchasaluminumtoil,topreventelectrostaticcharge
builduporexposureoftheassembly.

3.UseonlyaGROUNDED-tipsolderingirontosolderor

unsolderESdevices.

4.Useonlyananti-staticsolderremovaldevice.Some

solderremovaldevicesnotclassifieda"anti-static"can
genera teelectricalchargessufficienttodamageES
devices.

5.Donotusefreon-propelledchemicals.Thesecan

generateelectricalchargesufficienttodamageES
devices.

6.DonotremoveareplacementESdevicefromits

protectivepackageuntilimmediatelybeforeyouare
readytoinstallit.(MostreplacementESdevicesare
packagedwithleadselectricallyshortedtogetherby
conductivefoam,aluminumfoil,orcomparable
conductivematerial.)

6.Alwaysconnecttestinstrumentgroundleadtothe
appropriategroundbeforeconnectionthetest
instrumentpositivelead.Alwaysremovethetest
instrumentgroundleadlast.

InsulationCheckingProcedure

DisconnecttheattachmentplugtromtheACoutletandturn
thepoweron.Connectaninsulationresistancemeter(500V)
tothebladesoftheattachmentplug.Theinsulation
resistanc ebetweeneachbladeoftheattachmentplugand
accessibleconductiveparts(Note1)shouldbemorethan
1Mohm.

Note1:

panels,inputterminals,Earphonejacks,etc.

AccessibleConductivePartsincludingMetal

7.Immediatelybeforeremovingtheprotectivematerial
fromtheleadsofareplacementESdevice,touchthe
protectivematerialtothechassiso rcircuitassembly
intowhichthedevicewillbeinstalled.

Caution:Besurenopowerisappliedtothechassisor
circuit,andobserveallothersafetyprecautions.

8.Minimizebodilymotionswhenhandlingunpackaged

replacementESdevices.(Normallyharmlessmotion
suchasthebrushingtogetherofyourclothesfabricorthe
liftingofyourfootfromacarpetedfloorcangenerate
staticelectricitysufficienttodamageanESdevice.)

TABLEOFCONTENTS

1.CONTROLSANDFUNCTIONS1

2.ELECTRICALADJUSTMENTS

3.ELECTRICALTROUBLESHOOTINGGUIDE

4.WAVEEFORMSON VIDEOCIRCUIT

5.ACTIONOF PORT

6.VOLTAGECHART

7.CIRCUIT DIAGRAM

8.COMPONENTSLOCATIONGUIDEONPCBBOTTOMVIEW

9.DISASSEMBLY

10.ELECTRICALPARTS LIST

4

5
16
22
26
30
34
40
41

1. CONTROLS AND FUNCTIONS

FRONT PANEL

3 7 4 5

1

1

POWER

2

DISC TRAY

3

OPEN/CLOSE

4

PLAY

5

STOP

6

SKIP/SEARCH

9

7

PAUSE

8

DISPLAY

9

REMOTE SENSOR

628

1

DISPLAY

program indicator

CD indicator

Press , the brightness of the display is reduced by half; press it once more, the display

pause indicator

play indicator

DVD indicator

DIMMER

title indicator

remain indicator

chapter/track

indicator

title/chapter/track

indicator

lock indicator

hour

indicator

indicator

minute

indicator

angle

Dolby digital

indicator

DIGITAL

second

indicator

repeat play

indicator

disc recording

resume

indicator

track calendar

format

becomes dark. Press the button again, the display resumes brightness.

REAR PANEL

1

4

1

AUDIO OUT1 R

2

AUDIO OUT1 L
VIDEO OUT1

3
4

AUDIO OUT2 R
AUDIO OUT2 L

5

2 3

5

6

7

9

8

10

11

6

VIDEO OUT2
S-VIDEO

7

COAXIAL

8
9

OPTICAL
POWER SUPPLY CORD

10

EURO AV JACK

11

2

NAMES AND LAYOUT OF REMOTE CONTROLS

30

1

2

3

4

5

6

7
8

9

10

11
12

13

14

29

28

27
26

25
24

23

22

21

20

19

18

17

16

15

OSD

1

1
2

DIMMER

3

NUMBER BUTTONS

4

FF/FR

5

SET UP

6

TITLE

7

PLAY/ENTER

8

PREV/NEXT(SKIP/SEARCH)

9

STOP

10

DIRECTIONS

11

SYSTEM

12

LANGUAGE

13

MUTE

14

VOLUME(-/+)

15

SUBTITLE

16

AUDIO MODE

17

A-B REPEAT

18

REPEAT

19

MENU

20

PAUSE/STEP

21

SLOW PLAY
ZOOM

22
23

REMAIN

24

RESUME

25

TIME SEARCH

26

DIGEST

27

PLAY MODE

28

ANGLE

29

OPEN/COLSE

30

REMOTE TRANSMITTER

3

2.ELECTRICALADJUSTMENTS

ALLCIRCUITSNEEDN'TADJUSTIFYOUFINDCLOCK(27.000MHz)

ISCHANGED,ONLYTRIMCAPC004BESIDETHECRYSTALOSCG102.

4

3.ElectricalTroubleShootingGuide

Connectionoftheunitiscorrect.

Settingoftheunitiscorrect

Ispowernormal?

Yes

Isfluorescedisplaycorrect?

Yes

Isopen/closenormal?

Yes

Candiscberead?

Yes

Isvideonormal?

Yes

No

No

No

No

No

Refertopowerguide.

Refertodisplay.guide

Refertoopen/close.guide

Refertoreaddisc.guide

Refertovideo.guide

Isaudionormal?

Yes

Normaloperation.

No

Refertoaudio.guide

5

APowerCircuitabnormal

START

IsC328AC220V?

Yes

F301isopen.

No

Powercordisn'tinsertedfirmly

XP301isopen.
XP302isopen.

orpowercordisopen.

IsC301DC310V?

Yes

Are2,3pinofN301resistance

highimpedance?

Yes

Aretransformersecondary

6V,15Voutput?

Yes

IsXP303normal?

Yes

No

No

No

No

Checkcommutecircuit.

CheckL301andL302.

ReplaceN301.

Checkiftransformerisdamaged.
Checksecondarycommutecircuit.
Check secondaryfeedbackcircuit.

Checkifsecondaryshort.

CheckV304.

Checkregulatedcircuit.

CheckN302andperipheral

components.

Normal

6

BDisplayabnormal

START

Doesthescreen

appear?

Yes

Isdisplaynormal?

Yes

Normal

No

No

CheckifvoltageofscreenF1andF2is3.3V.

Checkifvoltageof34pinofUPD16311is-24V.

CheckgroundednegativevoltageofscreenF1andF2.

ReplaceUPD16311.

Checkifconnectioncordbetweenscreenand

mainboardisbroken?

CheckifUPD16311pinisconnected.

Checkifpinofscreenisconnected.

7

COpen/closeabnormal

8

DReaddiscabnormal

DISCIN

Focuson?

Yes

Islasernormal?

Yes

Doesthediscturn?

Yes

CanTOCberead?

Yes

Normal

No

No

No

No

Refertofocusguide.

Refertolaser.guide

Refertofocus.guide

RefertoTOC.guide

9

EVideoabnormal

IsvoltageofXS109normal?

Yes

Nopicture,nosound.

Nopicture,havesound.

Havepicture,nocolororcolor
disappearedduringplayback.

Havepicture,butpicture

disappearedduringplayback.

No

Checkconnectionbetween

videoencoderandXS109.

Replacemainboard.

Checkjackofoutputboard

orreplacemainboard.

Checkmainboardandreplace

G102(27MHz).

Checkmainboardandreplace

G102(27MHz).

10

FAudioabnormal

Havepicture,nosound

CheckifvoltageofR,Lpin

ofXP202isnormal

Yes

IsN202andN203signal

output?

Yes

IstransistorV208and

V209formuteusage

brokendown?

Yes

Normal

No

No

No

CheckconnectionbetweenR,LpinofXP202

andPCM1723

Check4558andsurroundingcomponents

Replacetransistor

11

GFocusabnormal

Nofocus

CheckFCS+andFCS-

ofXS100.

No

Doesnormalvoltageat

D107pin33,34?

Yes

Doesdataoutputat

D101pin93?

No

Doesdataoutputat

D108pin27-31?

No

Yes

Yes

Yes

1.Checkconnectioncord.

2.Replacepickup.

1.Checkconnectionbetween33,34pinof
CXD3008QandFCS+,FCS-ofXS100.

2.CheckifG101,G102normaloperation.

3.CheckCXD3008Qandperipheral
components.

1.CheckconnectionbetweenCXD1866
andCXD3008.

2.CheckCXD1866andperipheral
components.

1.CheckconnectionbetweenCPU

andCXD1866.

2.CheckCPUandperipheral

components.

No

Normal

12

HLaserabnormal

Nolaser

IsLDpinofXS100

4.5V?

No

DoesvoltageatD111

pin22?

No

Doesnormalvoltage

atD108pin7?

Yes

Yes

Yes

No

1.Checkconnectionbetweenpickup
andmainboard.

2.Replacepickup.

1.CheckconnectionbetweenCXD1889
ofpinLDandXS100.

2.CheckCXD1889andperipheral
components.

1.CheckconnectionbetweenCPU
pin7andCXD1889pin25.

2.CheckCPUandperipheral
components.

Normal

13

ITurnabnormal

Discdoesn'tturn.

CheckifvoltageofSP+and

SP-ofXS103aredifferent.

Yes

Checkifvoltageof11and

12pinofD113aredifferent.

Yes

Checkifvoltageof144pin

ofD101isnormal.

Yes

No

No

No

Checkconnectionofmechanism.

1.CheckconnectionsbetweenBA5983
andXS103.

2.CheckBA5983andperipheral
components.

1.CheckconnectionsbetweenCXD1866
pin144andBA5983pin6.

2.CheckCXD1866andperipheral
components.

Checkifvoltageof91-99pin,

24-31pinofD108isnormal.

Yes

Normal

14

No

1.CheckconnectionsbetweenCPUaddress
bus,databusandCXD1866.

2.CheckCPUandperipheralcomponents.

JTOCabnormal

TOCdoesn'tread.

Limitedswitchisclosed.

Islaseron?

IsFOKnormal?

Yes

Doesnormalvoltageat

D111pin57?

Yes

Havesound,

nopicture.

Yes

Havepicture,

nosound.

No

No

No

No

1.Refertolaserguide.

2.Checkslidemotorandconnections
tomainboard.

1.Checkconnectionbetween57pinof
CXD1899andXS100pin.

2.CheckconnectionbetweenXS100and
pickup.

3.Replacepickup.

1.CheckATAPIchannel.

2.CheckSVD3811andperipheralcomponents.

3.CheckBT865andperipheralcomponents.

4.CheckconnectionbetweenSVD3811and
BT865.

1.CheckATAPIchannel.

2.CheckSVD3811andperipheralcomponents.

3.CheckBT865andperipheralcomponents.

4.CheckconnectionbetweenSVD3811and
BT865.

Yes

Normal

15

4.WAVEFORMSONVIDEOCIRCUIT

1617181920

21

5. ACTION OF PORT

PIN No. PIN NAME I/O

16~21,24,25 Y[0:7] I

22,36,45 GND -

23,37,46 ADD -

28~35 P[0:7] I

51,52 AGND -

BT865 PINDESCRIPTION

1 FSADJUST I
2 VBIAS O
3 VREF O
4 V AA ­5 COMP O
6 CVBS/B AGND
7 CVBS/G AGND
8 CVBS/B O

9 C/R AGND
10 CVBS/G O
11 Y/CVBS AGND
12 C/R O
13 Y/CVBS O
14 RGBOUT I
15 FIELD O

26 ALTADDR I
27 TTXDAT I

38 TTXRREQ O
39 SLEEP I
40 SDA I/O
41 SCL I
42 SLAVE I
43 CLK I
44 VDD3V I
47 RESET* I
48 BLANK* I
49 VSYNC* I/O
50 HSYNC* I/O

22

CXD 1866PIN DESCRIPTION

PIN No. PIN NAME I/O

1 MDB3 I/O
2 VSS
3 MDB4 I/O
4 MDB5 I/O
5 MDB6 I/O
6 MDB7 I/O
7 XMWR O
8 XRAS O

9 VDD
10 VSS
11 MA0 O
12 MA1 O
13 MA2 O
14 MA3 O
15 MA4 O
16 MA5 O
17 MA6 O
18 VSS
19 MA7 O
20 MA8 O
21 MA9 O
22 MA10 O
23 MA11 O
24 VDD
25 XMOE O
26 XCAS O
27 MDB8 I/O
28 MDB9 I/O
29 MDBA I/O
30 VSS
31 MDBB I/O
32 MDBC I/O
33 VDD5V
34 MDBD I/O
35 MDBE I/O
36 MDBF I/O

PIN No. PIN NAME I/O

37 VDD
38 VSS
39 XHRS I
40 HDB7 I/O
41 HDB8 I/O
42 VDDS
43 HDB6 I/O
44 HDB9 I/O
45 HDB5 I/O
46 VSS
47 HDBA I/O
48 HDB4 I/O
49 HDBB I/O
50 HDB3 I/O
51 VDDS
52 VDD
53 HDBC I/O
54 HDB2 I/O
55 VSS
56 HDBD I/O
57 HDB1 I/O
58 HDBE I/O
59 HDB0 I/O
60 HDBF I/O
61 HDRQ O
62 VDDS
63 VSS
64 XHWR I
65 XHRD I
66 REDY O
67 VDD
68 XHAC I
69 HINT I/O
70 XS16 I
71 VSS
72 HA1 I//O

23

PIN No. PIN NAME I/O

73 XPDI I
74 VDDS
75 HA0 I
76 HA2 I
77 HCS0 I
78 HCS1 I
79 DASP I/O
80 VSS
81 C2PO I
82 XRCI I
83 WFCK I
84 SCOR I
85 SBIN I
86 VDDS
87 EXCK O
88 GRST O
89 SENIN I
90 VSS
91 VDD
92 SCLKOUT O
93 DATOUT O
94 XLTOUT O
95 CLKOUT O
96 GSCOR I
97 IFS0 I
98 IFS1 I
99 TST0 I

100 TST1 I
101 MONITOR2 O
102 VSS
103 VDDS
104 XTAL I
105 VSS
106 MONTOR1 O
107 LINK O
108 PLCK O
109 VDD5V

PIN No. PIN NAME I/O

110 VDD

111 RFTTLIN I
112 DASYO O
113 GNDA
114 ASF1 O
115 ASF2 O
116 DASY1 I
117 AMPOUT O
118 RFDCC I
119 FRIN I
120 RCTST2 I
121 RCTST1 I
122 RCTST0 I
123 VCCA
124 VCCA
125 VCOR2 I
126 VCOR1 I
127 VCOIN I
128 GNDA
129 GNDA
130 LPFDC I
131 LPF5 O
132 LPF4 I
133 VC1 I
134 LPF3 O
135 LPF2 O
136 LPF1 I
137 VCCA
138 VCCA
139 FDO O
140 FDO O
141 PDHVCC I
142 GNDA
143 GNDA
144 SPO O
145 VC2 I
146 MDIN2 I

24

PIN No. PIN NAME I/O

147 MDIN1 I
148 VCCA
149 CLVS O
150 MDSOUT O
151 MDPOUT O
152 APEO O
153 VSS
154 GFS O
155 VCOIN-EXT I
156 VDD
157 VSS
158 DBCK O
159 BLCK I
160 VDD
161 DDA T O
162 MDAT I
163 DLRC O
164 LRCK I
165 VDD5V
166 XTL2 O
167 VSS
168 XTL1 I
169 XRST I
170 VDDS
171 D0 I/O
172 D1 I/O
173 D2 I/O
174 D3 I/O
175 D4 I/O
176 D5 I/O
177 D6 I/O
178 D7 I/O
179 VSS
180 A0 I
181 A1 I
182 A2 I
183 A3 I

PIN No. PIN NAME I/O

184 A4 I
185 VDD
186 A5 I
187 A6 I
188 A7 I
189 A8 I
190 VSS
191 A9 I
192 A10 I
193 A11 I
194 A12 I
195 A13 I
196 A14 I
197 VDD5V
198 XWAT O
199 XRD I
200 XWR I
201 XCS I
202 VSS
203 VDD
204 XINT0 O
205 XINT1 O
206 MDB0 I/O
207 MDB1 I/O
208 MDB2 I/O

25

6. VOLTAGE CHART

DOO1 VS2811E

Pin No. V oltage

1 3.8V
9 3.8V

11 3.8V
18 3.8V
27 3.8V
35 3.8V
44 3.8V
51 3.8V
59 3.8V
68 3.8V
75 3.8V
83 3.8V
92 3.8V
99 3.8V

104 3.8V
121 3.8V
130 3.8V
139 3.8V
148 3.8V
157 3.8V
164 3.8V
172 3.8V
183 3.8V
193 3.8V
201 3.8V

D008 BT865

Pin No. V oltage

1 1.34V
2 2.9V
3 1.34V
4 4.8V
5 3.5V
6 15mV

Pin No. V oltage

7 15mV
8 /

9 78mV
10 /
11 20mV
12 /
13 0.15V
14 15mV
15 2.4V
16 16mV
17 16mV
18 16mV
19 16mV
20 16mV
21 16mV
22 16mV
23 4.8V
24 16mV
25 16mV
26 16mV
27 19mV
28 1.2V
29 1.3V
30 1.3V
31 1.3V
32 1.7V
33 1.1V
34 1.5V
35 1.3V
36 20mV
37 4.8V
38 20mV
39 20mV
40 4.8V
41 4.8V
42 24mV
43 1.6V

26

Pin No. V oltage

44 22mV
45 22mV
46 4.8V
47 4.8V
48 4.8V
49 4.8V
50 4.5V
51 16mV
52 12mV

D009 74HC04.

Pin No. V oltage

1 24mV
2 3.8V
3 24mV
4 3.8V
5 24mV
6 3.8V
7 24mV
8 3.8V
9 9.3

10 16V

11 /
12 /
13 /
14 3.8V

D101 1866

Pin No. V oltage
1,3~8,11~17,19~23,25~29,31,32,34~3
6,97~101,106~108,111,1 12,114~122,
125~127,130~136,139~141,144~147,
149~152,154,155,171~178,180~184,
186~189,191~196,198~201, 204~208,
9,24,37,39~45,47~54,56~62,64~70,72
~79,81~89,91~96,103,104,109,110,
123,124,137,138,148,156,158~165,
169,170,185,197,203

D104 4053

Pin No. V oltage

1 7.16V
2 /
3 3.3V
4 3.3V
5 290mV
6 6.1V
7 5.5V
8 6.8V

9 3.3V
10 3.3V
11 4.8V
12 3.3V
13 1.4V
14 1.4V
15 10mV
16 4.8V

D109 6208

Pin No. V oltage

1 /

2 4.8V

3 4.8V

4 /

5 4.7mV

6 4.8V

7 26mV

8 25mV

9 /

3.3V

5V

27

D111 1889

Pin No. V oltage

1 3.3V
2 3.3V
3 2.4V
4 2.4V
5 3.3V
6 3.3V
7 3.3V
8 3.3V
9 3.3V

10 3.3V

11 2.6V
12 2.5V
13 2.6V
14 2.5V
15 2.8V
16 2.5V
17 4.1V
18 2.4V
19 4.3V
20 4.1V
21 173mV
22 3.2V
23 2.4V
24 4.8V
25 0.5V
26 2.4V
27 2.4V
28 4.8V
29 60mV
30 2.4V
31 2.4V
32 4.8V
33 2.4V
34 2.4V
35 2.4V
36 3.1V

Pin No. V oltage

37 3.4V
38 2.5V
39 0.3V
40 2.4V
41 2.3V
42 2.4V
43 2.4V
44 2.4V
45 3.4V
46 4.8V
47 0.46V
48 5.9mV
49 3.4V
50 3.6V
51 2.V
52 2.1V
53 3.3V
54 3.3V
55 0.6V
56 1.4V
57 2.1V
58 4.8V
59 3.3V
60 3.3V
61 3.5V
62 3.5V
63 /
64 0.9V

28

D113 5983

D114 2901

Pin No. V oltage

1 2.5
2 1.7V
3 1.7V
4 2.4V
5 1.9V
6 1.9V
7 2.4V
8 18mV

9 17mV
10 2.9V
11 7.6V
12 3.8V
13 3.8V
14 3.8V
15 3.8V
16 3.5V
17 3.5V
18 3.6V
19 3.4V
20 7.6V
21 2.98V
22 18mV
23 18mV
24 2.5V
25 1.2V
26 1.2V
27 2.5V
28 2.2V
29 2.2V
30 7.6V

Pin No. V oltage

1 103mV
2 9.2mV
3 4.8V
4 0.5V
5 0.8V
6 2.7V
7 2.4V
8 2.8V

9 2.4V
10 2.5V
11 2.1V
12 4.8V
13 99mV
14 100mV

29

7.CIRCUITDIAGRAM

30

PT2222

InfraredRemoteControlTransmitter(s)

DESCRIPTION

FEATURES

APPLICATIONS

PIN

CONFIGURATIONS

ThePT2222isremotecontroltransmittersutilizingCMOSTechnology
speciallydesignedforusedoninfraredremotecontrolapplications.Itis
pin-to-pincompatiblewithNECuPD6122respectively.PT2222ispac­kagedin24pins,SOandcapableofcontrolling64functionkeysand
3doublekeys.

CMOSTechnologyUsingSELpin,PT2222cansupport
LowPowerConsumption128+6functioncodes
(V=2.05.5V)CustomerCodecanbeselected

DD

uPD6122(pleasecontactPTCfordetails)

AudioEquipmentCassetteDecks
Television(TV)AirConditioners
VideoCassetteRecorder(VCR)

REM

SEL

OSCO

OSCl

Kl
Kl
Kl
Kl
Kl
Kl

2

3

4

5

6

7

1 24
2 23
3 22
4 21
5 20
6 19
7 18

V

DD

8 17
9 16
10 15
11 14

V

SS

12 13

Kl
Kl
CCS
KI/O
KI/O
KI/O
KI/O
KI/O
KI/O
KI/O
KI/O
LMP

1

0

0

1

2

3

4

5

6

0

31

PIN

DESCRIPTION

Pinname I/O

Vss

KIKU

03

KIKU

47

REM
V

DD

SEL

OSCO

OSCI

CCS
LMP

07

Description

­I

I

O

-

I

O

I
I

-

I/O

PowerSupply
KeyInputPinNos.0 3
KeyInputPinNos.4 7

DataOutputPin

PowerSupply

SelectPin
OscillatorPin
OscillatorPin

CustomCodeScanInputPin

OutputLEDIndicator

KeyInput/OutputPinNos.07KI/OKI/O

PinNumber

PT2222-00X

12

23,24,1,2

3 6

7
8
9

10

11
22
13

21 14

APPLICATION

CIRCUITS

PT2222ApplicationCircuit

32

ORDER

INFORMATION

ValidPartNumber

Package

PT2221-001

PT2221-002

PT2222-001

PT2222-002

20Pins,SO

20Pins,SO

24Pins,SO

24Pins,SO

PT2222-00X

VersionNumber:(001,002)

ProductNumber

PTCPrefix

33

8.COMPONENTSLOCATIONGUIDEONPCBBOTTOMVIEW

343536

N203
7805

IN GND OUT

L208 1.8UH

L210 3.3UH

37

38

39

9. DISASSEMBLY

DAEWOO - 2000D

40

10. ELECTRICAL PARTS LIST

DS-2000D TOTAL PARTS LIST

No. PART CODE PART NAME Q’TY

1 S2428 DVD210 LOADER 1
2 D3838K OPERATE BOARD 1
3 DS4.12 DECODING BOARD 1
4 S2096 AD20A POWER B OARD 1
5 S2121 SCART-868-312A OUTPUT BOARD 1
6 DS-2000D INSTRUCTIONS MANUAL 1
7 S3021 RCA CORD AUDIO 1
8 S3022 RCA CORD VIDEO 1

9 a8627 SVD200A LOADER CORD 1
10 a8560 CC-1.0-25 65 1
11 a8643 CC-1.0-12 150 1
12 a8562 CC-1.0-21 220 1
13 S0652 RC-220 REMOTE CONTROLS 1
14 S2701 7# BATTERIES 2
15 S3024 POWER CORD HOL E 1
16 S2658 VDE POWER CORD 1
17 S2643 VDE POWER CORD CONNECTER 1

DVD3838A OPERATE BOARD

REF. PART CODE PART NAME Q’TY

a5571 DVD3838A OP ERATE PCB 1

R501,R502 G0705 RT13 -0.167W-10 5% 2

R503~R510 G0735 RT13 -0.167W-10K 5% 8

C503,C504 a3304 CT4-0.1u+50%-63V 2
C501,C502 a3540 CD11-100u+50%-6.3V 2

VD501,

VD502

a5004 IN4148 DIODE 2

V501 a6765 VFD25-0705 DISPLAY 1

S501~S506 G6434 EVQ20504M(4.5mm) TOUCH 6

U501 a6444 RECEIVE HS0038 1
D501 a4399 UPD 16311 1

XP501 a6783 12 CORD FF LINE SOC KET 1

AD20A POWER BOARD

REF. PART CODE PART NAME Q’TY

RESISTOR
R301 G0017 RT14 -0.25W-47 5% 1
R302 G0028 RT14 -0.25W-220 5% 1
R303 G0735 RT13 -0.167W-10K 5% 1
R304 a0514 RY28 -3W-2.2K 5% 1

R305,R307 G0721 RT13 -0.167W-2K 5% 2

R306 G0036 RT14 -0.25W-470 5% 1

R308,R309,

R312

G0719 RT13 -0.167W-1K 5% 3

R310 G0904 RT13 -0.167W-1.1K 5% 1
R311 G0903 RT13 -0.167W-620 5% 1
R313 G0053 RT14 -0.25W-2.7K 5% 1
R314 G0726 RT13 -0.167W-3.9K 5% 1
R315 G0776 RT13 -0.167W-560 5% 1

CAPACITOR
C301 a3645 CD295-450V-68u 20% 1
C302 a2063 CT81-1KV-2B4-470K 1
C305 a3313 CT7-AC400V-2F-222M-YA 1
C307 a3512 CD11-16V-47u+80% 1
C309 a3588 CD11-50V-1u 20% 1
C310 a3559 CD11-10V-220u+80% 1

REF. PART CODE PART NAME Q’TY

C311,C314 a3607 CD11-50V - 22u+80% 4

C312 a3543 CD11-50V-100u+80% 1
C313 a3519 CD11-25V-100u+80% 1
C315 a3513 CD11-16V-100u+80% 1

C316~C318 a3561 CD11-10V-470u+80% 3

C319 a3558 CD11-10V-100u+80% 1

C320~C322 a3676 CD263-10V-1000u+80% 3

C324 a3336 CT4-63V-0.1u 20% 1
C326 a2064 CT81-2KV-2B4-300K 1
C328 a3447 CIS-280VAC-0.22M 1

C330,C331 a3312 CT7-AC400V-2B4-471K-YA 1

C332 a3350 CIS-280VAC-X2-0.01K 2

DIODE

VD301~

VD304

a5005 IN4007 4

VD305 a1205 RU-1P 1
VD306 a1225 P6KE200 1
VD307 a1203 RU2YX 1

VD308,

VD309

a1204 RU4Z 2

VD310,VD311,

VD313,VD315

a1202 AG01 4

VD314 a1102 2CW-3W 1

TRIODE,CIRCUIT,PHOTO-COUPLER

V301 a4557 KA431LZ 1

V302,V303 a5063 3DA3852 2

V304 a5094 PC123FY2 1
N301 a4584 TOP223Y 1
N302 a4026 LM324 1
N303 a4031 KA7812 1

INDUCTOR
L301 a6686 POWER FILTER 1
L302 a6629 VF2327L-253YOR7 1
L303 a6621 COIL-0.02mH 1
L304 a6767 LGK0305KB-500D150 1

SWITCH TRANSFORMER

T301 a6764 BCK-R800A 1

FUSE

F301 a6763 RT1-20-1.6(T1.6A/250V ) 1

OTHER

XP301,

XP302

a6826 3951P03V SOCKET 2

a6821 FUSE HOLDER 2
a8117 DVD830 MICA SHEET 1

SCART-868-312A OUTPUT BOARD

REF. PART CODE PART NAME Q’TY

a5550 SCART-868-312A PCB

RESISTOR
R201,R202 G0729 RT13 -0.167W-5.1K 5% 2
R203,R204 G0735 RT13 -0.167W-10K 5% 2
R205,R206 G0724 RT13 -0.167W-3K 5% 2
R207,R208 G0735 RT13 -0.167W-10K 5% 2
R209,R210 G0753 RT13 -0.167W-100K 5% 2
R211,R212 G0728 RT13 -0.167W-4.7K 5% 2

R213~R215 G0712 RT13 -0.167W-100 5% 3
R216~R219 G0748 RT13 -0.167W-47K 5% 4

R220,R221 G0719 RT13 -0.167W-1K 5% 2
R222,R223 G0753 RT13 -0.167W-100K 5% 2

41

REF. PART CODE PART NAME Q’TY

R224,R225 G0735 RT13 - 0.167W-10K 5% 2

R226,R227,

R237

G0728 RT13 -0.167W-4.7K 5%

3

R228,R229,

R236

G0748 RT13 -0.167W-47K 5%

3

R230,R231,

R242

G0712 RT13 -0.167W-100 5%

3

R232,R234 G0735 RT13 -0.167W-10K 5% 2

R233,R235,

R260

G0719 RT13 -0.167W-1K 5%

3

R238~R240 G0719 RT13-0.167W-1K 5% 3
R241,R244,

R245

G0717 RT13 -0.167W-330 5%

3

R246,R248,

R249

G0735 RT13 -0.167W-10K 5%

3

R252,R254 G0772 RT13 -0.167W-120 5% 2
R255,W205 G0718 RT13 -0.167W-470 5% 2
R256,R258,

R262

G0735 RT13 -0.167W-10K 5%

3

R250,R259,

R261

G0774 RT13 -0.167W-200 5%

3

R263 a0519 RY15 -1W-15 5% 1
R264 G0778 RT13 -0.167W-680 5% 1
R265 G0774 RT13 -0.167W-220 5% 1

CAPACITOR

C201,C202 a3514 CD11-16V-220u+80% 2
C203~C206 a3509 CD11-16V-10u 20% 4

C207,C208 a2307 CC1-50V-330p 5% 2

C209,C212 a3512 CD11-16V-47u 20% 2
C210,C211,

C245

a3513 CD11-16V-100u+80% 3

C213,C214 a3509 CD11-16V-10u 20% 2

C215,C216 a2024 CC1-63V-51p 10% 2

C217,C218 a3509 CD11-16V-10u 20% 2

C219,C220 a2035 CC1-63V-330p 10% 2

C222,C244 a3336 CT4-63V-0.1u 20% 2
C223~C225 a3513 CD11-16V-100u+80% 3
C226~C228 a3336 CT4-63V-0.1u 20% 3

C229,C230 a2308 CT1-50V-680p 50% 2

C231,C246 a3561 CD11-10V-470u+80% 2
C234,C235,
C239~C241

a3561 CD11-10V-470u+80% 5

C236~C238 a3512 CD11-16V-47u 20% 3

C249,C250 a3009 CL11-63V-3000p 10% 2

INDUCTOR

L201~L205,

L210

a6452 3.3uH 6

L208 a6552 1.8uH 1

L206,L211 a6659 BGH2012B601 2

DIODE

VD201~

VD203

a5004 IN4148 3

TRIODE
V201~V203 a5104 8550D( :200~300) 3
V204~V206 a5014 C8050 3
V207~V215 a5104 8550D( :200~300) 9

IC

D201 a4516 74HCU04A 1

REF. PART CODE PART NAME Q’TY

N201,N202 a4042 AN4558 2

N203 a4571 CW7805 1

OTHER
X201 a6774 CKX06-C JACK 1
X202 a6772 CS-01 SOCKET 1
X203 a6820 SCART SOCKET 1

XP201,

XP203

a6510 B-5B-PH 2

XP202 a6613 52806-2510 SOCKET 1

RC-220

REF. PART CODE PART NAME Q’TY

a5554 RC-220 PCB 1

R1 G0703 RT106-0.0625W-2.2 5% 1

R2~R5 G0758 RT106-0.0625W-200K 5% 4

C1,C2 a2316 CC1-08-06-220p 10%-63V 2

C3 a3594 CD110X-47u-10V+20% 1
V1 a1514 PH303 1
Ic2 a6073 SFE455K 1
V2 a5014 8050C 1
Ic1 a4097 PT2222-002(uPD6122) 1

42