check shoting in nokia 7710.........
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 light ic mark in (2)..if u want to check the light ic is short....
3...remove boot ic mark in (3)..if u want to check shoting cause by boot ic if it is short replace it with new one......
4.....remove ic mark in (4)... this is make volt for memory card this also got +b from batery....remove it to check shoting is gone or not.......
5....remove these ic n4204 and n4203 mark in (5).. thise ic make volt for camera .... remove this if u want to check the shoring cause by this ic....because this ic got +b from batery......
6....remove these ic n4201 and n4202 mark in (6)...these ic make volt for omap ic to set turn on........ remove this if u want to check the shoring cause by this ic....because this ic got +b from batery......
7...remove this ic n4200 mark in (7)...this ic make volt for omap ic to set turn on........ remove this if u want to check the shoring cause by this ic....because this ic got +b from batery......
8..remove ringer ic n2100 mark in (8)...to check the shoting cause by ringer ic......remove this if u want to check the shoring cause by this ic....because this ic got +b from batery......
9..remove this ic n2000 mark in (9).....to check the shoting cause by this ic this acessory regulator ic......remove this if u want to check the shoring cause by this ic....because this ic got +b from batery......
10...... at end remove 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 u not have to remove ic to check the shorting in pcb it save time and ur ic ....
Saturday, September 5, 2009
check shoting in nokia 7710.........
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