1.Precaution
7)SomeTVchassisareshippedwithanadditionalsecondarygroundingsystem.Thesecondarysystemisadjacentto
theACpowerline.Thesetwogroundingsystemsareseparatedinthecircuitusinganunbreakable/unchangeable
insulationmaterial.
8)Whenanyparts,materialorwiringappearoverheatedordamaged,replacethemwithnewregularonesimmediately.
Whenanydamageoroverheatingisdetected,correctthisimmediatelyandmakearegularcheckofpossibleerrors.
9)Checkfortheoriginalshapeofthelead,especiallythatoftheantennawiring,anysharpedges,theACpowerandthe
highvoltagepower.Carefullycheckifthewiringistootight,incorrectlyplacedorloose.Neverchangethespace
betweenthepartandtheprintedcircuitboard.ChecktheACpowercordforpossibledamages.Keepthepartorthe
leadawayfromanyheat-emittingmaterials.
10)SafetyIndication:
Someelectricalcircuitsordevicerelatedmaterialsrequirespecialattentiontotheirsafetyfeatures,whichcannotbe
viewedbythenakedeye.Ifanoriginalpartisreplacedwithanotherirregularone,thesafetyorprotectivefeatureswill
belostevenifthenewonehasahighervoltageormorewatts.
Criticalsafetypartsshouldbebracketedwith(
,).Useonlyregularpartsforreplacements(inparticular,ame
resistanceanddielectricstrengthspecications).Irregularpartsormaterialsmaycauseelectricshockorre.
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