Solution of identify nokia phone shorting -IMEI Source - View Single Post  
IMEI Source

  
View Single Post
Old 08-10-2012, 18:05   #41
Tushuer
No Life Poster
 
Tushuer's Avatar
 
Join Date: Aug 2010
Posts: 606
Thanks: 4
Thanked 25 Times in 20 Posts
Rep Power: 8
Tushuer is on a distinguished road
answer: Solution of identify nokia phone shorting

check shorting in nokia 6120c rm-243......

1..remove this coil mark in (1) l7510...if u want to check is pf n7520 is short,.....this pf is for 850/900mhz and for 1800/1900mhz...


2..remove these both 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 coil mark in (3) l7550 if u want to check the pf n7540 is shot ....this pf is for 1950mhz ...band...


4..remove this coil mark in (4) ..l7591 to check the ic n7541 which make controling volt for n7540....


5..remove this coil mark in (5) if u want to check the ic n7601 ...this ic is for network ....this ic got +b from batery through this coil ......


6....remove the memory card driver ic n3200 mark in (6) it also got +b it can be check by only removing this ic.....


7..remove this ic mark in (7) n2390.. this ic make v-core supply for rapido(cpu)...this also got +b from batery to make v-core voltage ... if this ic is damage then ur phone not boot in soft or manual....


8..remove n3300 ic mark in (8) ...it is vdig_cam maker ic which make vdig cam for camera ......remove this to check shoting because this ic got +b from batery......


9...remove n3320 ic mark in (9) ...it is vana_cam maker ic which make vana cam for camera ......remove this to check shoting because this ic got +b from batery......


10..remove this coil mark l3301 in (10)..if u want to check the shorting cause by flash light driver ic d3301 ....because this ic got +b from batery...


11.. remove this ic n2000 mark in (11)... this ic is for earphone spekers ...remove this ic to check shoting because this ic got +b from batery....


..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 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 ....



Offline   Reply With Quote
 
  

All times are GMT +1. The time now is 10:37.



Powered by Searchlight 2017 Axivo Inc.
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright 2016 DragonByte Technologies Ltd.
- IMEI Source. - 2008-2017 -

SEO by vBSEO