Samsung HT-E5550 - Getting Started; Disk and Format Compatibility

1.Precaution
1.3.PrecautionsforElectrostaticallySensitiveDevices(ESDs)
Somesemiconductor(“solidstate”)devicesareeasilydamagedbystaticelectricity.
SuchcomponentsarecalledElectrostaticallySensitiveDevices(ESDs).
Examplesincludeintegratedcircuitsandsomeeld-effecttransistors.Thefollowingtechniqueswillreducetheoccurrence
ofcomponentdamagecausedbystaticelectricity:
1)Immediatelybeforehandlinganysemiconductorcomponentsorassemblies,draintheelectrostaticchargefromyour
bodybytouchingaknownearthground.Alternatively,wearadischargingwrist-strapdevice.(Besuretoremoveit
priortoapplyingpower–thisisanelectricshockprecaution.)
2)AfterremovinganESD-equippedassembly,placeitonaconductivesurfacesuchasaluminumfoiltoprevent
accumulationofelectrostaticcharge.
3)Donotusefreon-propelledchemicals.ThesecangenerateelectricalchargesthatdamageESDs.
4)Useonlyagrounded-tipsolderingironwhensolderingorunsolderingESDs.
5)Useonlyananti-staticsolderremovaldevice.Manysolderremovaldevicesarenotratedas“anti-static”(thesecan
accumulatesufcientelectricalchargetodamageESDs).
6)DonotremoveareplacementESDfromitsprotectivepackageuntilyouarereadytoinstallit.
MostreplacementESDsarepackagedwithleadsthatareelectricallyshortedtogetherbyconductivefoam,aluminum
foilorotherconductivematerials.
7)ImmediatelybeforeremovingtheprotectivematerialfromtheleadsofareplacementESD,touchtheprotectivematerial
tothechassisorcircuitassemblyintowhichthedevicewillbeinstalled.
8)MinimizebodymotionswhenhandlingunpackagedreplacementESDs.Motionssuchasbrushingclothestogether,or
liftingafootfromacarpetedoorcangenerateenoughstaticelectricitytodamageanESD.
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