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Old 08-01-2008, 12:17   #23 (permalink)
digitized
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Quote:
Originally Posted by rajtelecom View Post
digitized i am waiting for 6233 plz post
check shoting in nokia 6233.....


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



2....remove this COIL mark in (2) if u want to check the shoting of gsm pf .......remove the coil and ur shoting is gone then there is shoting in ur gsm pf .......



3....remove this COIL mark in (3) if u want to check the shoting of wcdma pf .......remove the coil and ur shoting is gone then there is shoting in ur wcdma pf .......


4..... remove this ic n7541 mark in (4)....this dc-dc convertor ic for wcdma network and make volt for wcdma pf .......remove this if u want to check the shorting cause by this ic....because this ic got +b from batery......


5..remove this coil mark in (5)..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....



6....remove the resistance mark in (6) ..if u want to check irda module ... because irda module got +b from batery....



7....remove this coil mark in (7)..if u want to check the display light ic is short....



8.....remove this ic n1050 mark in (8).. this ic make volt for camera (1.5v) remove this if u want to check the shoring cause by this ic....because this ic got +b from batery......


9......remove this ic n1080 mark in (9).. this ic make volt for camera (1.8v) remove this if u want to check the shoring cause by this ic....because this ic got +b from batery......


10.....remove ic mark in (10)... this is memory card driver ic this also got +b from batery....remove it to check shoting is gone or not.......


11.....remove ic n6050 mark in (11)...this ic make volt for btfm and for lcd.....remove this if u want to check the shoring cause by this ic....because this ic got +b from batery......


12....3..remove bluetooth module mark in (12)..if u want to check blutooth module is short because bluetooth ic also got +b volt from battery....


13.....remove this ic n1060 mark in (13).. this ic make volt for camera (2.8v) remove this if u want to check the shoring cause by this ic....because this ic got +b from batery......


14 .....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 ....


digitized.....
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