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Old 08-10-2012, 18:45   #44
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answer: Solution of identify nokia phone shorting

check shorting in nokia 2220s rm-590.......new.......


1..remove the pf n7700 mark in (1)...if u want to check is pf is short remove it and check shoting...if it is shot then replace it...


2..remove ringer ic n2150 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 this coil l2401 mark in (3)..if u want to check the light ic n2400 is short....


4..remove this v.camdig ic n3301 mark in (4)..if u want to check the v.camdig maker ic ..this v.camdig maker ic got +b from batery.....to make v,cam for camera.....


at end remove uem clite ic this is power ic based on new tecnology and differ from uemclite which are placed in nokia 2330,2680,7100....

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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