Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Samsung_NP-R510 Precaution
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1. Precautions
1-1. General After-Sales Service Precautions
1. Donotletcustomersrepairtheproductthemselves.
Thereisadangerofinjuryandtheproductlifetimemaybeshortened.
2. Makesuretodisconnectthepowercordfromthewalloutletbeforerepairingtheproduct(especiallyforafter-sales
serviceof
electricparts).
Thereisadangerofelectricshock.
3. Donotletcustomersplugseveralelectrichomeappliancesintoasinglewalloutletatthesametime
Thereisadangeroffireduetooverheating.
4. Checkifthepowerplugorwalloutletaredamagedinany
way.
fadefectisfound,repairorreplaceitimmediately.(There
I
isadangerofelectricshockorfire)
5. Makesurethatitisproperlygrounded.(Checkthegroundof
thewalloutlet)
Electricityleakagemaycauseelectricshock.
6. Donotspraywaterontotheproducttocleanit.
Thereisadangerofelectricshockorfireanditmay
shortenthelifetimeoftheproduct.
7. Checktheassemblystatusoftheproductaftertheafter-sales
service.
Theassemblystatusoftheproductmustbethesameas
beforetheafter-salesservice.
8. Unplugthepowercordholdingthepowerplug(andnotthecord).
Ifthecordisdisconnected,itmaycauseelectricshockorfire.
9. Repairtheproductusingonlyauthorizedparts.
10.Keeptheproductawayfromheatingdevicessuchasheaters.
Exposuretoheatersmaycausedeformationoftheproductorfire.
1-1
1_Precautions_eng.indd 1
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- This Document can not be used without Samsung's authorization -
1. Precautions
1-2. Safety Precautions
(1) EMI
ThisdevicehasbeenregisteredregardingEMIforresidentialuse.Itcanbeusedinallareas.
(2) Circuit Test (Logic Test) Precautions
TheLSIandMSIusedinthisproductaresemiconductorintegratedcircuitsbasedonMOS-FETorCMOS.Sincethesetypes
ofdevicesarehighlysusceptibletostaticelectricityorcurrentleakage,anisolationbreakmaybecaused.Thereforeread
andfollowtheinstructionsbelow.
1) henhandlinganLSIorMSI,makesureyourbodyisgroundedthroughafewmega-ohmsofresistance.Inaddition,
W
wearglovesandajacketmadeofcottonandnotofsyntheticfibersthateasilygeneratestaticelectricity.
2)Whenrepairingtheproduct,placeaconductivematerial(e.g.aluminumfoil)groundedtotheearthontheworktable.
3)Youmustuseasolderingironwithoutaleakagecurrent.
4)DonottouchthepinofanICandcarefullyinserttheICintotheblackplasticpackage.
5) heninsertinganICintoaPCB,becarefulwiththedirectionoftheIC.WheninstallinganICinthewrongdirection,it
W
mightbecomedamaged.
6) hencarryinganIC,packagetheICwithconductingmaterialsuchasaluminumfoilorconductingspongesoasto
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keepthevoltagelevelofeachoftheterminalsthesame.
7)SincethestoragetemperatureofanICisbetween-20~+70degrees,keepitatroomtemperature,ifpossible.
8)SincethestoragetemperatureofanICisbetween-20~+70degrees,keepitatroomtemperature,ifpossible.
9)WhensolderinganIC,solderitinasshortatimeaspossiblesothatunnecessaryheatisnotappliedtothedevice.
10)AvoidleavingexcessiveamountsoffluxwithinacustomICorbetweenthepinswhensolderingacustomIC.
11)TakecaretonotdamagetheboardwheninstallingorseparatinganOptionBoard.
12)TakecaretonotbreaktheprintedcircuitpatternonthePCBwhenseparateanIC.
1-3. Ground
Theproductmustbegroundedtoprotectitfromstaticelectricityandotherdangers.Whenusingamultitap,pleaseusea
multitapwithagroundterminalonly.
Ifyouusea220Vwalloutletwithagroundterminal,youdonotneedtogrounditadditionally.Avoidusingwalloutletsifthey
arenotgroundedeveniftheyhaveagroundterminal.
Togroundtheproduct,connectthegroundtoanexclusivegroundterminalormetalwaterpipe.Connectthegroundcable
tothegroundterminalattherearofthemainbody.Togroundtheproduct,connectthegroundterminaloftheproducttoa
metalwaterpipe,walloutletorexclusivegroundterminalwithanelectricwireequaltoorthickerthan#18.
NevergroundtheproducttoaPVCwaterpipe,phoneline,TV,radioantenna,aluminumwindoworgaspipe,becausethis
doesnotactuallygroundtheproductandmaybedangerous.
1-4. Static Electricity Precautions
Manypartsofthesystemaresusceptibletostaticelectricity.Usinganelectrostaticdischarge(ESD)deviceisveryimportant
forthesafetyoftheuserandtheuser'ssurroundings.UsinganESDdeviceincreasestheprobabilityofasuccessfulrepair
andlowerstheexpensesfordamagedparts.
Topreventstaticelectricity,followtheinstructionsbelow.
1)Performtherepairinalocationwithoutstaticelectricity.
2) ouchyourhandstoametalwaterpipeorsomemetalobjectconnectedtothegroundtodischargeanystatic
T
electricity
fromyourbodybeforehandlingtheparts.
3)Touchonlytheedgesoftheboard,ifpossible.
4)Donottouchanypartsunlessabsolutelynecessary
5)Disassemblethepartsontheanti-static-electricitypad.
1-2
1_Precautions_eng.indd 2
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