1..remove this coil mark in (1)..if u want to check the light ic is short.... 2..remove ringer ic mark in (2)..if u want to check shoting remove it and check if shoting is gone replace it because ringer ic also got +b volt from battery.... 3..remove the network ic n7100 mark in (1)...if u want to check this ic is short remove it and check shoting...if it is shot then replace it... 4..at end check the power ic d2901 mark in (4) and reemove it to check shoting is there or not... all the component which are mark in pink colur these all are coils these are place in series and +b of batery is gone throw them so if u remove the coil u not have to remove ic to check the shorting in pcb it save time and ur ic.
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