Samsung SGH-I607 Service Manual - Page 5

Safety Precautions - charger

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1. Safety Precautions 1-1. Repair Precaution ● Repair in Shield Box, during detailed tuning. Take specially care of tuning or test, because the specification of cellular phone is sensitive for surrounding interference(RF noise). ● Be careful to use a kind of magnetic object or tool, because performance of parts is damaged by the influence of magnetic force. ● Surely use a standard screwdriver when you disassemble this product, otherwise screw will be worn away. ● Use a thicken twisted wire when you measure level. A thicken twisted wire has low resistance, therefore error of measurement is few. ● Repair after separate Test Pack and Set because for short danger (for example an overcurrent and furious flames of parts etc) when you repair board in condition of connecting Test Pack and tuning on. ● Take specially care of soldering, because Land of PCB is small and weak in heat. ● Surely tune on/off while using AC power plug, because a repair of battery charger is dangerous when tuning ON/OFF PBA and Connector after disassembling charger. ● Don't use as you pleases after change other material than replacement registered on SEC System. Otherwise engineer in charge isn't charged with problem that you don't keep this rules. 1-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

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SAMSUNG Proprietary-Contents may change without notice
1.
Safety Precautions
1-1
This Document can not be used without Samsung's authorization
1-1. REpAI± ²±ECAUTION
● REpAI± IN ³hIEld BOx, dU±INg dETAIlEd TUNINg.
´AkE µpECIAllY CA±E OF TUNINg O± TEµT, bECAUµE ThE µpECIFICATION OF CEllUlA± phONE Iµ µENµITIvE
FO± µU±±OUNdINg INTE±FE±ENCE(R¶ NOIµE).
● BE CA±EFUl TO UµE A kINd OF mAgNETIC ObjECT O± TOOl, bECAUµE pE±FO±mANCE OF pA±Tµ Iµ dAmAgEd bY
ThE INFlUENCE OF mAgNETIC FO±CE.
● ³U±ElY UµE A µTANdA±d µC±Ewd±IvE± whEN YOU dIµAµµEmblE ThIµ p±OdUCT, OThE±wIµE µC±Ew wIll bE
wO±N AwAY.
● ·µE A ThICkEN TwIµTEd wI±E whEN YOU mEAµU±E lEvEl.
¸ ThICkEN TwIµTEd wI±E hAµ lOw ±EµIµTANCE, ThE±EFO±E E±±O± OF mEAµU±EmENT Iµ FEw.
● REpAI± AFTE± µEpA±ATE ´EµT ²ACk ANd ³ET bECAUµE FO± µhO±T dANgE± (FO± ExAmplE AN
OvE±CU±±ENT ANd FU±IOUµ FlAmEµ OF pA±Tµ ETC) whEN YOU ±EpAI± bOA±d IN CONdITION OF
CONNECTINg ´EµT ²ACk ANd TUNINg ON.
● ´AkE µpECIAllY CA±E OF µOldE±INg, bECAUµE LANd OF ²¹B Iµ µmAll ANd wEAk IN hEAT.
● ³U±ElY TUNE ON/OFF whIlE UµINg ¸¹ pOwE± plUg, bECAUµE A ±EpAI± OF bATTE±Y ChA±gE± Iµ
dANgE±OUµ whEN TUNINg º»/º¶¶ ²B¸ ANd ¹ONNECTO± AFTE± dIµAµµEmblINg ChA±gE±.
● DON'T UµE Aµ YOU plEAµEµ AFTE± ChANgE OThE± mATE±IAl ThAN ±EplACEmENT ±EgIµTE±Ed ON ³¼¹ ³YµTEm.
ºThE±wIµE ENgINEE± IN ChA±gE IµN'T ChA±gEd wITh p±OblEm ThAT YOU dON'T kEEp ThIµ ±UlEµ.