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Old 08-10-2012, 16:10   #28
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answer: Solution of identify nokia phone shorting

check shoting in nokia 6131,6133,6126......

imp*****to check shoting in this model first remove flex slider from main pcb if ur shoting is gone then there is shoting is in ur uper display portion because there are some ic in upper portion which got +b from batery. through flex..*****



1..remove this coil mark in (1)...if u want to check is pf is short,.....


2..remove this coil mark in (2)..if u want to check rf ic is short because rf ic also got +b volt from battery....


3..remove the resistance mark in (3) ..if u want to check irda module ... because irda module got +b from batery....


4..remove this coil mark in (4)..if u want to check the light ic is short....because light ic got +b from batery....


5..remove this coil mark in (5) if u want to check memory card driver ic n3200 it also got +b from batery.......


6..remove this coil mark in (6)..if u want to check blutooth ic is short because bluetooth ic also got +b volt from battery....


7..remove this ic n3300 mark in (7)..if u want to check the v.cam maker ic ..this v.cam maker ic got +b from batery....this ic make volt for camera .....



8...remove this ic n1200 mark in (8).....this ic also got +b from batery....



9....at end remove retu and tahvo ic to check shoting is gone or not....



all the component which are mark in pink colur these all are coils and resistance these are place in series and +b of batery is gone throw them so if u remove the coil and resistance u not have to remove ic to check the shorting in pcb it save time and ur ic ....



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