Samsung PA43H4100AR - Safety and Precautions; General Safety and ESD Handling

1.Precautions
1.Precautions
1.1.SafetyPrecautions
Followthesesafety,servicingandESDprecautionstopreventdamageandtoprotectagainstpotentialhazardssuch
aselectricalshock.
1.1.1.Warnings
Forcontinuedsafety,donotattempttomodifythecircuitboard.
DisconnecttheACpowerandDCpowerjackbeforeservicing.
1.1.2.ServicingthePDPTV
1)WhenservicingthePDPTV ,DisconnecttheAClinecordfromtheACoutlet.
2)Itisessentialthatservicetechnicianshaveanaccuratevoltagemeteravailableatalltimes.Checkthecalibration
ofthismeterperiodically.
1.1.3.FireandShockHazard
BeforereturningthePDPTVtotheuser,performthefollowingsafetychecks:
1)Inspecteachleaddresstomakecertainthattheleadsarenotpinchedorthathardwareisnotlodgedbetweenthe
chassisandothermetalpartsinthePDPTV.
2)Inspectallprotectivedevicessuchasnonmetalliccontrolknobs,insulatingmaterials,cabinetbacks,adjustmentand
compartmentcoversorshields,isolationresistorcapacitornetworks,mechanicalinsulators,etc.
3)LeakageCurrentHotCheck(Figure1-1):
Donotuseanisolationtransformerduringthistest.
UsealeakagecurrenttesterorameteringsystemthatcomplieswithAmericanNationalStandards
Institute(ANSIC101.1,LeakageCurrentforAppliances),andUnderwritersLaboratories(ULPublication
UL1410,59.7).
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