i9100 S2 home button problem
 

hi
i have galaxy s2 device the back/home/setting button not work also no led. i think that the flex cable is the problem but i try the board at other complete LCD its also not work and try other board on the first one it was 100% work so the problem in the device board not in the flex

i try to find the flex connector on the schematics so i can know the parts related to these button but with no luck..:(:(

so pls help me ...

best regards

any help please... im losing money