Characters Problem

Hello,

I use Dolibarr in Turkish. Layout is OK but there is character problem entries.
For example I cannot write İletişim.
Please look at the attachements.

I tried to change db_character_set and db_collation but the problem continues.

//$dolibarr_main_db_character_set='latin1';
$dolibarr_main_db_character_set='utf8';
//$dolibarr_main_db_collation='latin1_swedish_ci';
$dolibarr_main_db_collation='utf8_turkish_ci';

What can I do?

Thanks

Pièces jointes :

i had the same problem for Russian language, i solve in this way:
i change the collation OF EACH SINGLE TABELS in utf8_general_ci