Samsung Precaution free download

File name Precaution.pdf

- - - This Document can not be used without Samsung's authorization - 1. Precautions 1-1. General After-Sales Service Precautions 1. Donotletcustomersrepairtheproductthemselves. Thereisadangerofinjuryandtheproductlifetimemaybeshortened. 2. Makesuretodisconnectthepowercordfromthewalloutletbeforerepairingtheproduct(especiallyforafter-salesserviceof electricparts). Thereisadangerofelectricshock. 3. Donotletcustomersplugseveralelectrichomeappliancesintoasinglewalloutletatthesametime There is a danger of fire due to overheating. 4. Checkifthepowerplugorwalloutletaredamagedinanyway. fadefectisfound,repairorreplaceitimmediately.(Thereisa I danger of electric shock or fire) 5. Makesurethatitisproperlygrounded.(Checkthegroundofthe walloutlet) Electricityleakagemaycauseelectricshock. 6. Donotspraywaterontotheproducttocleanit. There is a danger of electric shock or fire and it may shorten the lifetimeoftheproduct. 7. Checktheassemblystatusoftheproductaftertheafter-sales service. Theassemblystatusoftheproductmustbethesameasbefore theafter-salesservice. 8. Unplugthepowercordholdingthepowerplug(andnotthecord). If the cord is disconnected, it may cause electric shock or fire. 9. Repairtheproductusingonlyauthorizedparts. 10. Keeptheproductawayfromheatingdevicessuchasheaters. Exposure to heaters may cause deformation of the product or fire. 1-1 - - - 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.Sincethesetypesof devicesarehighlysusceptibletostaticelectricityorcurrentleakage,anisolationbreakmaybecaused.Thereforereadandfollowthe instructionsbelow. 1) henhandlinganLSIorMSI,makesureyourbodyisgroundedthroughafewmega-ohmsofresistance.Inaddition,weargloves W and a jacket made of cotton and not of synthetic fibers that easily generate static electricity. 2)Whenrepairingtheproduct,placeaconductivematerial(e.g.aluminumfoil)groundedtotheearthontheworktable. 3)Youmustuseasolderingironwithoutaleakagecurrent. 4)DonottouchthepinofanICandcarefullyinserttheICintotheblackplasticpackage. 5) heninsertinganICintoaPCB,becarefulwiththedirectionoftheIC.WheninstallinganICinthewrongdirection,itmight W becomedamaged. 6) hencarryinganIC,packagetheICwithconductingmaterialsuchasaluminumfoilorconductingspongesoastokeepthe W voltagelevelofeachoftheterminalsthesame. 7)SincethestoragetemperatureofanICisbetween-20~+70degrees,keepitatroomtemperature,ifpossible. 8)SincethestoragetemperatureofanICisbetween-20~+70degrees,keepitatroomtemperature,ifpossible. 9)WhensolderinganIC,solderitinasshortatimeaspossibleso