Samsung MX-HS8500, MX-HS8500ZA Service Manual

PremiumHI-FI ComponentSystem

ModelNameMX-HS8500

ModelCodeMX-HS8500/ZA

SERVICE

PremiumHI-FIComponentSystem

MX-HS8500

MANUAL

RefertotheservicemanualintheGSPN(seetherearcover)formoreinformation.

1.Precaution

DEVICE UNDER

TES T

LEAKAGE

CUR RE NT

TES TER

TES T ALL

EXPO SED ME TAL

SU RFACES

2-WIRE CORD

ALSO TE S T WITH

PLUG REVERS ED

(US ING AC

ADAPTER P LUG

AS R EQ UIRED)

EARTH

GR OUND

(RE ADING SH OULD NOT BE ABOVE 0.5m A)

FollowthesesafetyinstructionswhileservicingtheESDtopreventdamageandtoprotectagainstpotentialhazards suchaselectricalshockandX-rays.

1.1.SafetyPrecautions

1)Whenreinstallingthechassisanditsassemblies,besuretorestorealloftheprotectivedevices,includingthecontrol knobsandthecompartmentcovers.

2)Makesurethattherearenocabinetopeningsthroughwhichpeople(particularlychildren)canmakecontactwith dangerousinternalcomponents.

3)DesignAlterationWarning:

Neveralteroraddtothemechanicalorelectricaldesignoftheunit.

Example:Donotaddauxiliaryaudioorvideoconnectors.Suchalterationsmightcreateasafetyhazard.

Also,anydesignchangesoradditionswillvoidthemanufacturer’swarranty.

1.Precaution

4)LeakageCurrentHotCheckFigure1.1

ACLeakageTest:

WARNING

Donotuseanisolationtransformerduringthistest.Usealeakage-currenttesterorameteringsystemthatcomplies.

Withtheunitcompletelyreassembled,plugtheACcorddirectlyintoaACoutlet.Withtheunit’spowerswitchedfrom theONtotheOFFposition,measurethecurrentbetweenaknowngroundandallexposedmetalparts.

KnownGrounds-Earth

KnownMetalparts-screwheads,metalcabinets,etc.

Figure1.1ACLeakageTest

1.Precaution

Ante nna

Term inal

ohm

Expo sed

Meta l Part

Ohmmet er

5)InsulationResistanceColdCheck:

(1)Withtheunit’sACplugdisconnectedfromtheACsource,connectanelectricaljumperacrossthetwoACprongs. (2)SetthepowerswitchtoON.(3)MeasuretheresistancebetweentheshortedACplugandanyexposedmetallicparts.

Example:screwheads,metalcabinets,antennaport,etc.Ifanyoftheexposedmetallicpartshasareturnpathtothe chassis,themeasuredresistanceshouldbebetween1and5.2megohms.Ifthereisnoreturnpath,themeasured resistanceshouldbe“innite.”Iftheresistanceisoutsidetheselimits,ashockhazardmightexist.SeeFigure1.2

InsulationResistanceTest

Figure1.2InsulationResistanceTest

6)Components,partsandwiringthatappeartohaveoverheatedorthatareotherwisedamagedshouldbereplacedwith partsthatmeettheoriginalspecications.Alwaysdeterminethecauseofdamageoroverheating,andcorrectany potentialhazards.

7)Observetheoriginalleaddress,especiallynearthefollowingareas:Antennawiring,sharpedges,andespeciallytheAC andhighvoltagepowersupplies.Alwaysinspectforpinched,out-of-place,orfrayedwiring.

Donotchangethespacingbetweencomponentsandtheprintedcircuitboard.ChecktheACpowercordfordamage. Makesurethatnowiresorcomponentstouchthermallyhotparts.

8)ProductSafetyNotice:

Someelectricalandmechanicalpartshavespecialsafety-relatedcharacteristicswhichmightnotbeobviousfromvisual inspection.Thesesafetyfeaturesandtheprotectiontheygivemightbelostifthereplacementcomponentdiffersfrom theoriginal—evenifthereplacementisratedforhighervoltage,wattage,etc.

9)Componentsthatarecriticalforsafetyareindicatedinthecircuitdiagrambyshading,

or.Usereplacement componentsthathavethesameratings,especiallyforameresistanceanddielectricstrengthspecications.A replacementpartthatdoesnothavethesamesafetycharacteristicsastheoriginalmightcreateshock,reorother hazards.

1.Precaution

1.2.ServicingPrecautions

1)Servicingprecautionsareprintedonthecabinet.Followthem.

2)Alwaysunplugtheunit’ sACpowercordfromtheACpowersourcebeforeattemptingto: (a)Removeorreinstallanycomponentorassembly,(b)Disconnectanelectricalplugorconnector,(c)Connecta testcomponentinparallelwithanelectrolyticcapacitor .

3)Somecomponentsareraisedabovetheprintedcircuitboardforsafety.Aninsulationtubeortapeissometimesused. Theinternalwiringmaybeclampedtopreventcontactwiththermallyhotcomponents.Reinstallallsuchelements totheiroriginalposition.

4)Afterservicing,alwayscheckthatthescrews,componentsandwiringhavebeencorrectlyreinstalled.Makesurethat theportionaroundtheservicedparthasnotbeendamaged.

5)ChecktheinsulationbetweenthebladesoftheACplugandaccessibleconductiveparts(examples:metalpanels, inputterminalsandearphonejacks).

6)InsulationCheckingProcedure: DisconnectthepowercordfromtheACsource.Connectaninsulationresistancemeter(500V)tothebladesofthe ACplug.TheinsulationresistancebetweeneachbladeoftheACplugandaccessibleconductiveparts(seeabove) shouldbegreaterthan1megohm.

7)NeverdefeatanyoftheB+voltageinterlocks.DonotapplyACpowertotheunit(oranyofitsassemblies)unlessall solid-stateheatsinksarecorrectlyinstalled.

8)Alwaysconnectatestinstrument’ sgroundleadtotheinstrumentchassisgroundbeforeconnectingthepositivelead; alwaysremovetheinstrument’sgroundleadlast.

CAUTION

Firstreadthe“SafetyPrecautions”sectionofthismanual.Ifsomeunforeseencircumstancecreatesaconictbetweenthe servicingandsafetyprecautions,alwaysfollowthesafetyprecautions.

1.Precaution

1.3.PrecautionsforElectrostaticallySensitiveDevices(ESDs)

Somesemiconductor(“solidstate”)devicesareeasilydamagedbystaticelectricity . SuchcomponentsarecalledElectrostaticallySensitiveDevices(ESDs). Examplesincludeintegratedcircuitsandsomeeld-effecttransistors. Thefollowingtechniqueswillreducetheoccurrenceofcomponentdamagecausedbystaticelectricity:

1)Immediatelybeforehandlinganysemiconductorcomponentsorassemblies,draintheelectrostaticchargefromyour bodybytouchingaknownearthground.Alternatively ,wearadischargingwrist-strapdevice.(Besuretoremoveit priortoapplyingpower–thisisanelectricshockprecaution.)

2)AfterremovinganESD-equippedassembly,placeitonaconductivesurfacesuchasaluminumfoiltoprevent accumulationofelectrostaticcharge.

3)Donotusefreon-propelledchemicals.ThesecangenerateelectricalchargesthatdamageESDs.

4)Useonlyagrounded-tipsolderingironwhensolderingorunsolderingESDs.

5)Useonlyananti-staticsolderremovaldevice.Manysolderremovaldevicesarenotratedas“anti-static”(thesecan accumulatesufcientelectricalchargetodamageESDs).

6)DonotremoveareplacementESDfromitsprotectivepackageuntilyouarereadytoinstallit. MostreplacementESDsarepackagedwithleadsthatareelectricallyshortedtogetherbyconductivefoam,aluminum foilorotherconductivematerials.

7)ImmediatelybeforeremovingtheprotectivematerialfromtheleadsofareplacementESD,touchtheprotectivematerial tothechassisorcircuitassemblyintowhichthedevicewillbeinstalled.

8)MinimizebodymotionswhenhandlingunpackagedreplacementESDs.Motionssuchasbrushingclothestogether,or liftingafootfromacarpetedoorcangenerateenoughstaticelectricitytodamageanESD.

2.ProductSpecication

2.1.ProductFeature

■Power

•2.2CH:2500WT otalRMS/27500WPMPO(Front:625W/CH,Subwoofer:625W/CH)

•IRAmp

■MainFunction

•3DDisplay

•BigSizeSpeakerUnit

•DJBEAT

•LEDLighting

2.ProductSpecication

•IntegratedSPK

■Connectivity

•USBHost(TwinUSB)

•PortableAudioIn(3.5phiPhoneJack(L/R))

•MICInput(3.5phiPhoneJack)

•FM/AM(Optional)

•Bluetooth(BTpoweron)

■Disc

•Type:1SlotIn(12cmCD)

•Compatible:MP3,CD,CD-R,CD-RW,WMA

2.ProductSpecication

2.2.Specications

■BasicSpecication

PowerRequirementsAC110-120V~50/60Hz

PowerConsumption137W

Weight

General

Dimensions

OperatingT emperatureRange+5°C~+35°C

OperatingHumidityRange10%to75%

Signal/Noiseratio55dB

Usablesensitivity10dB FMT uner

Totalharmonicdistortion1%

CDDisc

Amplier

CD:12cm (CompactDisc)

Frontspeakeroutput625W/CH(4Ω)

Subwooferoutput625W/CH(4Ω)

Frequencyrange22Hz~20KHz

S/NRatio65dB

Channelseparation60dB

Mainunit76.9Ibs

Speaker63.9Ibs

Mainunit23.9(W)x33.5(H)x19.3(D)inches

Speaker23.9(W)x27.8(H)x19.3(D)inches

ReadingSpeed:4.8~5.6m/sec.

MaximumPlayTime:74min.

InputsensitivityAUXIN11.2V ,AUXIN22V

NOTE

*:Nominalspecication

•SamsungElectronicsCo.,Ltdreservestherighttochangethespecicationswithoutnotice.

•Weightanddimensionsareapproximate.

•Designandspecicationsaresubjecttochangewithoutpriornotice.

•Forinformationonthepowersupplyandpowerconsumption,refertothelabelattachedtotheproduct.

2.3.SpecicationsAnalysis

ModelNameMX-HS8500MX-FS8000MX-FS9000

Photo

2.ProductSpecication

MAXOUTPUT

POWER

SPKCHANNEL2.2ch2.2ch2.2ch

FRONTDISPLA Y1C-FLT[Dot]1C-FL T[Dot]1C-FLT[Dot]

3DDISPLAY3D2D3D

GIGASOUNDOOO

SPKLED

LIGHTING

DJEFFECTOOO

BEATW A VINGOOO

COMPATIBLE

DISC

COMPATIBLE

FILE

USBHOST2.0222

CDRIPPINGOOO

BLUETOOTHOOO

AUDIOIN (RCA/3.5ø)

2500W(PMPO:27500W)2300W(PMPO:27600W)2560W(PMPO:30720W)

ALLALLALL

CD-R/CD-R W/MP3-CDCD-R/CD-R W/MP3-CDCD-R/CD-R W/MP3-CD

WMA/MP3WMA/MP3WMA/MP3

OOO

MICINOOO

HEADPHONE

OUT

VIDEOOUTXXX

FM/AM

(option)

SPKIMPEDANCEFront:4ohm/Woofer:4ohmFront:4ohm/W oofer:4ohmFront:4ohm/Woofer:4ohm

POWER

CONSUMPTION

MAINSIZE

(mm)

SPKSIZE

(mm)

WEIGHT

608(W)X851(H)X490(D)550(W)X212(H)X367(D)588(W)X238(H)X388(D)

608(W)X706(H)X490(D)648(W)X652(H)X440(D)588(W)X882(H)X577(D)

63.9Kg(MAIN:34.9Kg

XXX

OOO

STBY:0.45W↓STBY:0.45W↓STBY:0.45W↓

/SPK:29Kg)

77Kg(MAIN:7Kg/SPK

:65Kg)

83Kg(MAIN:8Kg/SPK

:70Kg)

2.ProductSpecication

TIP

O:FeatureIncluded

X:NotIncluded

2.4.Accessories

2.4.1.SuppliedAccessories

2.ProductSpecication

AccessoriesItemItemcode

Batteries(AAA)4301-000116

RemoteControlAH59-02613A

User’sManualAH68-02706A

FMAntennaAH42-00021A

PowerCable3903-000467

3.DisassemblyandReassembly

3.1.MainDisassemblyandReassembly

CAUTION

•Becarefultofollowthedisassemblysequencedescribedinthemanual.Otherwise,theproductmaybedamaged.

•BesuretocarefullyreadandunderstandthesafetyinstructionsbeforeperforminganyworkastheICchipson thePCBarevulnerabletostaticelectricity.

•Inordertoassemblereversetheorderofdisassembly .

DescriptionDescriptionPhoto

1.CoverScrewCap2EApullout(Highlighted)onFrontCover.

CAUTION

Becarefulnottomakeanyscratchesasyouremovethem.

2.Unfasten2Screws(Highlighted)onFrontCover.

:BH,+,B,M4,L12,ZPC(BLK),SWRCH18A,(THINHEAD)T1.9

3.Unfasteneach3Screws(Highlighted)onSideCoverL/R.

:BH,+,B,M4,L12,ZPC(BLK),SWRCH18A,(THINHEAD)T1.9

3.DisassemblyandReassembly

Lift U p

DescriptionDescriptionPhoto

4.Unplug3Cables(Highlighted)onRearCover.

(FRONTR/SUBWOOFERR/SPKLIGHTINGR)

5.LiftuptheMAIN-SETtoSeparateditfromASSYSPK-R.

DescriptionDescriptionPhoto

P u ll

6.Unfasten4Screws(Highlighted)onCoverHandleL/R.

:BH,+,B,M4,L12,ZPC(BLK),SWRCH18A,(THINHEAD)T1.9

7.SeparateCoverHandleL/RfromSETfront.

3.DisassemblyandReassembly

8.Unfasten7Screws(Highlighted)onSetbackside.

:BH,+,B,M3,L10,ZPC(BLK)

9.Unfasteneach1Screws(Highlighted)onSideCoverL/R.

:BH,+,B,M4,L12,ZPC(BLK),SWRCH18A,(THINHEAD)T1.9

PullCover-Side-L/RbackandSeparatethemfromSET.

3.DisassemblyandReassembly

Lift U p

DescriptionDescriptionPhoto

10.LiftthetopcovertoSeparateitfromCover-RearandCover-Front.

11.Unfasten2Screws(Highlighted)onFrontCoverupperside. :BH,+,B,M3,L10,ZPC(BLK)

12.Unfasten8Screws(Highlighted)onFrontCoversidebothsides. :BH,+,B,M4,L12,ZPC(BLK),SWRCH18A,(THINHEAD)T1.9

13.UnplugallWireandCable.(Highlighted)

DescriptionDescriptionPhoto

P u ll

14.PullCover-FrontforwardandSeparateditfromHolder-sideL/R.

15.UnplugtwoWire.(Highlighted)

PullCover-FrontforwardandSeparateditfromCover-Bottom.

3.DisassemblyandReassembly

16.Unfasten3Screws(Highlighted)betweenHOLDER-DECK& ASSY-DECK. :BH,+,B,M3,L10,ZPC(BLK)

LifttheASSY-DECKtoSeparateditfrom HOLDER-DECK-DECK.

3.DisassemblyandReassembly

DescriptionDescriptionPhoto

17..Unfasten3Screws(Highlighted)betweenHOLDER-DECK& ASSY-DECK. :BH,+,B,M3,L10,ZPC(BLK)

LifttheASSY -DECKtoSeparateditfromCover-Bottom.

18.UnplugCable.(Highlighted)

DescriptionDescriptionPhoto

19.Unfasten7Screws(Highlighted)ontheSMPSboard.

3.DisassemblyandReassembly

:BH,+,B,M3,L6,ZPC(WHT)(

:BH,+,B,M4,L8,ZPC(WHT)(

)

20.Unfasten1Screws(Highlighted)OnbackofCover-Rear.

LifttheSMPS-PCBtoSeparateditfromCover-Bottom.

21.UnplugFANCable.(Highlighted)

3.DisassemblyandReassembly

DescriptionDescriptionPhoto

22.Unfasten5Screws.(Highlighted) :BH,+,B,M3,L6,ZPC(WHT)

23.Unfasten8Screws(Highlighted)OnbackofCover-Rear. :BH,+,B,M3,L10,ZPC(BLK)

LifttheMain-PCBandFANtoSeparateditfromCover-Bottom.

24.Unfasten3Screws(Highlighted)OnbackofCover-Rear. :BH,+,B,M3,L10,ZPC(BLK)

25.Unfasteneach3Screws(Highlighted)onSideHolderL/R. :BH,+,B,M3,L10,ZPC(BLK)

DescriptionDescriptionPhoto

K n o b -Vo lu m e

Le n s -Vo lu m e

B u t t o n -F u n c t io n

26.SeparateCover-BottomFrombothsidesofSideHolderL/R.

CAUTION

Cautiontohooklockingstructureatbothsides. (Highlighted)

SeparateSideHolderL/RFromCover-Bottom.

27.SeparateKnob-V olumefromCover-Front.

3.DisassemblyandReassembly

28.Unfasten2Screws(Highlighted)onLens-V olume. :BH,+,B,M3,L10,ZPC(BLK)

SeparateLens-V olumefromCover-Front.

29.SeparateButton-FunctionfromCover-Front.

3.DisassemblyandReassembly

DescriptionDescriptionPhoto

30.Unfasten21Screws(Highlighted)OnFront-PCB. :BH,+,B,M3,L10,ZPC(BLK)

31.UnplugWire.(Highlighted)

32.UnlockWireSaddle.(Highlighted)

33.SeparateVFDAssyfromFront-PCB.(Highlighted)

SeparateFront-PCBfromCover-Front.

34.Separate8Button&Deco(Red)FrombackofCover-Front.

SeparateMIC-Pcb(Y ellow)FrombackofCover-Front.

SeparateLens-Ir(Green)FrombackofCover-Front.

DescriptionDescriptionPhoto

De c o r a t i o n -Win d o w

C o v e r -Wi n do w

35.SeparateDeco-WindowfrombackofCover-Front.

(Unfasten6HookPoint(Highlighted)usingTool)

PullDeco-WindowouttoSeparateForwardingdirectionof Cover-Front.

36.SeparateCover-WindowFromForwardofCover-Front.

SeparateBadge-Brand(Highlighted)FromForwardof Cover-Front.

3.DisassemblyandReassembly

37.Unfasten2Screws(Highlighted)OnbackofCover-Front. :BH,+,B,M3,L10,ZPC(BLK)

SeparateDeco-DiscfromCover-Front.

38.Unfasten2Screws.(Highlighted) :BH,+,B,M3,L10,ZPC(BLK)

SeparateCover-ReectorFromVFDAssy .

3.DisassemblyandReassembly

39.Unfasten3Screws.(Highlighted) :BH,+,B,M3,L10,ZPC(BLK)

SeparateLens-DisplayFromVFDAssy.

DescriptionDescriptionPhoto

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