Level 3 RepairDistribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.Confidential and proprietary-the contents in this service guide subject to change without prior notice.8-67C341ZD301ZD3021710 NCNC1112 NCNC1314 NCNC1516 NCNC556 6778 8NC918 NCNC2324 NC1119 192 2202021 212222334 4CN300R311C343C342 C340R310VAP_IO_1.8VZD300R317R316CP_VSIM_3.0VSIM_RSTSIM_CLKSIM_IOSIM_DETECTBH106BH111C143C144 C148C160C340C341C342C343C411C414C426C428C429C430C502C503C506507C508C512C513C514C681C682C683C687C688C689C690C7001C754C755C760C761C762C783C784C785C786C791D500 D501D502D703L121L125L402L404L500L600L707 OSCR108R109R110R310R311R316R317R402R415R420R504R505R506R507R510R511R526R527R528R529R530R532R533R534R535R536R538R670R671 R674R691R726R732R746R747R750R751R752R757R758SLC500TP400TP401TP402TP403TP40TP701U106U402U501 U502U504U506U603U605U707U716VAR400VAR401ZD300ZD301ZD302 ZD406ZD501ZD502ZD503 ZD504ZD505ZD506ZD507U610U103ANT100 ANT101C909C910C911C914C915C916C920C921C9 35C936CN300L901R926TP900TP901U9058-3-25. Sim PartCheck the Voltage of SIM(Left side of R311 : 1.8V,R310 : 3.0V)Insert SIM cardCheck the Pin Solderingof CN300YesYesYesNoENDCheck the Voltage ofdetection PIN(Right side of R310 : 0V)Resoldering and recheckChange to the new SIM cardCheck the voltage from PMIC and CP.Unless power, Change the PBAYesNoNo