Samsung PS51E450A1W - Precaution; Safety Precautions

1.Precaution
1.Precaution
Toavoidpossibledamage,electricshocksorexposuretoradiation,followtheinstructionsbelowwithregardtosafety,
installation,serviceandESD.
1.1.SafetyPrecautions
1)Makesureallprotectivedevicesareproperlyinstalledincludingnon-metallichandlesandcompartmentcoverswhen
installingorre-installingthechassisorchassisassemblies.
2)Makesurethatnogapsexistbetweenthecabinetsforchildrentoinserttheirngersintopreventchildrenfrom
receivingelectricshocks.GapsmentionedaboveincludeventilationholesofatoogreatmagnitudebetweenthePDP
moduleandthecabinetmask,andtheimproperinstallationoftherearcabinet.
Errorsmayoccurwhentheresistanceisbelow1.0MΩorover5.2MΩ.Inthesecases,makesurethatthedeviceis
repairedbeforesendingitbacktothecustomer.
3)CheckforElectricityLeakage(ACLeakageTest)
WARNING
Donotuseaninsulatedtransformerforcheckingtheleakage.Useonlythosecurrentleakagetestersormirroring
systemsthatcomplywithANSIC101.1andtheUnderwriterLaboratory’sspecications(UL1410,59.7).
DEVICE
UNDER
TEST
LEAKAGE
CURREN T
TESTER
TES T ALL
EXPOSED ME TAL
SUR FACES
2-WIRE CORD
ALSO TES T WITH
PLUG REVERSED
(US ING AC
ADAPTER PLUG
AS REQU IRED)
EARTH
GROUND
( R E A D I N G
SHOULD NOT BE
ABOVE 0.5mA)
Figure1.1ACLeakageTest
4)Ahighvoltageismaintainedwithinthespeciedlimitsusingsafetyparts,calibrationandtolerances.Whenvoltage
exceedsthespeciedlimits,checkeachspecialpart.
5)WarningforEngineeringChanges:
Nevermakeanychangesoradditionstothecircuitdesignortheinternalpartforthisproduct.
Ex:Donotaddanyaudioorvideoaccessoryconnectors.Thismightcausephysicaldamage.
Furthermore,anychangesoradditionstotheoriginaldesign/engineeringwillinvalidatethewarranty.
6)Warning-HotChassis:
SomeTVchassisaredirectlyconnectedtooneendoftheACpowercordforelectricalreasons.Withoutinsulated
transformers,theproductcanonlyberepairedsafelywhenthechassisisconnectedtotheearthedendoftheAC
powersource.
TomakesuretheACpowercordisproperlyconnected,followtheinstructionsbelow.Usethevoltmetertomeasurethe
voltagebetweenthechassisandtheearthedground.Ifthemeasurementisover1.0V ,unplugtheACpowercordand
changethepolaritybeforereinsertingit.Measurethevoltagebetweenthechassisandthegroundagain.
1-1Copyright©1995-2012SAMSUNG.Allrightsreserved.