Samsung BD-E8900 - Page 5

1.Precautions
d)InsulationResistanceTestColdCheck—(1)Unplugthepowersupplycordandconnectajumperwirebetween
thetwoprongsoftheplug.(2)Turnonthepowerswitchoftheinstrument.(3)Measuretheresistancewith
anohmmeterbetweenthejumperedACplugandallexposedmetalliccabinetpartsontheinstrument,suchas
screwheads,antenna,controlshafts,handlebrackets,etc.Whenanexposedmetallicparthasareturnpathtothe
chassis,thereadingshouldbebetween1and5.2megohm.Whenthereisnoreturnpathtothechassis,thereading
mustbeinnite.Ifthereadingisnotwithinthelimitsspecied,thereisthepossibilityofashockhazard,andthe
instrumentmustberepairedandrecheckedbeforeitisreturnedtothecustomer.See
2)Readandcomplywithallcautionandsafetyrelatednotesonorinsidethecabinet,oronthechassis.
3)DesignAlterationWarning—Donotalteroraddtothemechanicalorelectricaldesignofthisinstrument.
Designalterationsandadditions,includingbutnotlimitedto,circuitmodicationsandtheadditionofitemssuchas
auxiliaryaudiooutputconnections,mightalterthesafetycharacteristicsofthisinstrumentandcreateahazardtothe
user.Anydesignalterationsoradditionswillmakeyou,theservicer,responsibleforpersonalinjuryorproperty
damageresultingtherefrom.
4)Observeoriginalleaddress.Takeextracaretoassurecorrectleaddressinthefollowingareas:
(1)nearsharpedges,(2)nearthermallyhotparts(besurethatleadsandcomponentsdonottouchthermallyhotparts),
(3)theACsupply,(4)highvoltage,and(5)antennawiring.Alwaysinspectinallareasforpinched,out-of-place,or
frayedwiring,Donotchangespacingbetweenacomponentandtheprinted-circuitboard.ChecktheACpowercord
fordamage.
5)Components,parts,and/orwiringthatappeartohaveoverheatedorthatareotherwisedamagedshouldbereplacedwith
components,partsand/orwiringthatmeetoriginalspecications.
Additionally,determinethecauseofoverheatingand/ordamageand,ifnecessary,takecorrectiveactiontoremove
anypotentialsafetyhazard.
6)ProductSafetyNotice—Someelectricalandmechanicalpartshavespecialsafety-relatedcharacteristicswhichare
oftennotevidentfromvisualinspection,norcantheprotectiontheygivenecessarilybeobtainedbyreplacingthemwith
componentsratedforhighervoltage,wattage,etc.Partsthathavespecialsafetycharacteristicsareidentiedbyshading,
an(
)schematicsandpartslists.Useofasubstitutereplacementthatdoesnothavethesamesafetycharacteristics
astherecommendedreplacementpartmightcreateshock,reand/orotherhazards.Productsafetyisunderreview
continuouslyandnewinstructionsareissuedwheneverappropriate.
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