Quote:
Originally Posted by rajtelecom  plz post nokia 3230 shorting test points |
check shoting in nokia 3230......
``````````To check shoting in nokia 3230 first remove display board in which display or camera is place or then check shoting is gone or not,........................
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 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 this resistance mark in (4)....if u want to check shoting cause by infrared .....because infrared got +b through this resistance......
5...remove this smps ic mark in (5)... to check the shoting cause by this ic.........this ic make v corea volt for upp...
6...remove ringer ic mark in (6)... to check the shoting cause by ringer ic......
7...remove ic n233 mark in (7).... this ic make regulator volt for display and for camera....this ic got +b from batery......remove it to check shoting is gone or not.......
8...remove ic n234 mark in (8) ... this is vcam maker ic this ic make volt for camera.... .this ic got +b from batery......remove it to check shoting is gone or not.......
9...remove n130 ic mark in (9)... this is memory card driver ic this also got +b from batery....remove it to check shoting is gone or not.......
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 ....
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