All nokia emi-filter ic datasheets keypad, lcd,sim, These are the datasheets of emi-filter used on nokia circuits and most commonly causes problem on handsets for these are the protection ic on each circuit like in lcd. All gsm solution: nokia x3-02 keypad problem ( working, Post a comment. hello all lovely user i am here any kind solution need just comment me i try to solved of your problem early tnx to visit again my blog. Nokia x1 - 01 lcd light problem solution ways jumper, Problem is not lcd display light and keypad light also not getting on lighten.it is common fault of lcd pin 2 and 3.in diagram given bellow you can find.
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