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Old 08-10-2012, 14:29   #16
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answer: Solution of identify nokia phone shorting

check shoting in nokia n-73.....


1....remove this COIL mark in (1) if u want to check the shoting of pf .......remove the coil and ur shoting is gone then there is shoting in ur pf .......


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 this resistance mark in (3)..if u want to check blutooth ic is short because bluetooth ic also got +b volt from battery....


4..remove the resistance mark in (4) ..if u want to check irda module ... because irda module got +b from batery....


5..remove light ic mark in (5)..if u want to check the light ic is short....


6..remove ic n3500 mark in (6)....it is for memory card ....this ic make volt for memory card..........


7..remove ringer ic mark in (7)..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....


8..remove this ic mark in (8)..if u want to check the shoring cause flash light driver ic n1471 ....because this ic got +b from batery....


9..remove this ic n6519 mark in (9).. this ic make volt for front camera (1.5v) remove this if u want to check the shoring cause by this ic....because this ic got +b from batery......


10..remove this ic n7542 mark in (10).. this ic make volt for front camera (2.8v) remove this if u want to check the shoring cause by this ic....because this ic got +b from batery......


11..remove smps ic n6515 mark in (11)..if u want to check smps ic n6515.. ..this ic make v corea for omap ic and rap remove and for ape memory remove this to check shoting is gone or not.....because this ic got +b from batery......


12..remove this ic n9006 mark in (12).. this ic make volt for main camera (1.5v) remove this if u want to check the shorting cause by this ic....because this ic got +b from batery......


13..remove this ic n6517 mark in (13).. this ic make volt for main camera (1.5v) remove this if u want to check the shorting cause by this ic....because this ic got +b from batery......


14..remove this ic n6518 mark in (14).. this ic make volt for main camera (1.8v) remove this if u want to check the shorting cause by this ic....because this ic got +b from batery......


15..remove this ic n6516 mark in (15).. this ic for controling ic for main camera remove this if u want to check the shorting cause by this ic....because this ic got +b from batery......


16..remove this ic n6513 mark in (16).. this ic make volt for main camera (2.8v) remove this if u want to check the shorting cause by this ic....because this ic got +b from batery......


17..remove this ic n6508 mark in (17).. this ic make vio supply... remove this if u want to check the shorting cause by this ic ...because this ic got +b from batery......


18..remove this ic v6519 mark in (18).. this ic is for leds .....remove this if u want to check the shorting cause by this ic ...because this ic got +b from batery......


19...remove this ic v6507 mark in (18).. this ic is for leds .....remove this if u want to check the shorting cause by this ic ...because this ic got +b from batery......


20...at end remove bety and avilma power 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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