Samsung PS43D450A2W - User Instructions; Screen Image Retention; Heat on the Top of the Plasma TV; Cracking Noise

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
SURFACES
2-WIRE CORD
ALSO TEST WITH
PLUG REVERSED
(USING 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.
Copyright©1995-2011SAMSUNG.Allrightsreserved.1-1
www.freeservicemanuals.info
8/6/2016
Published in Heiloo Holland