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Old 08-10-2012, 16:48   #33
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answer: Solution of identify nokia phone shorting

check shoting in nokia 6600 slide....


1..remove these both coil mark in (1)..if u want to check rf ic is short because rf ic also got +b volt from battery....


2...remove these both COIL mark in (2) if u want to check the shoting of pf .......remove the coil and ur shoting is gone then there is shoting in ur pf .......this pf is only used in this circuit for tranmiting signal...(in tx section we say)


3...remove this COIL mark in (3) if u want to check the shoting of pf .......remove the coil and ur shoting is gone then there is shoting in ur pf .......this pf is work for both reciving and transmiting of signal..(this work as antena switch and pf as example in nokia 1110..)


4..remove this coil L3301 mark in (4) if u want to check the shoting cause by n3301,n3302,n3303.....these ic make volt for camera ic ...these ic got +b from batery ...so remove this coil to check shoting is gone or not ..


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


6..remove ic mark in (6)... this is memory card driver ic this also got +b from batery....remove it to check shoting is gone or not.......


7...remove bluetooth module mark in (7)..if u want to check blutooth ic is short because bluetooth ic also got +b volt from battery....


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



9...remove this ic mark in (9)..if u want to check the key boad light ic is short....


10...remove this resistance mark in (10)...if u want to check the ic which are place for controlloing and switching usb charging for the phone these ic are (n2006,n2005)...these ic got +b from batery to work...


11...remove this coil mark in (11)...if u want to check n2001 ic ...this ic is for usb controlling......this ic got +b from batery...


12...remove this ic n2002 mark in (12)...if u want to check this ic ....this ic also for usb controlling......remove this ic because this ic got +b from batery....


13...remove this ic n2000 mark in (13)...if u want to check this ic ....this ic is for controlling usb charging......remove this ic because this ic got +b from batery....


14...at end remove avilma and bety 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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