Detecting utf8 broken characters in MySQL

I fixed with

UPDATE wp_zcs9ck_posts_copy SET post_title = 
    CONVERT(BINARY CONVERT(post_title USING latin1) USING utf8);

Complete solution: http://jonisalonen.com/2012/fixing-doubly-utf-8-encoded-text-in-mysql/

UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'á','á');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'ä','ä');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'é','é');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'í©','é');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'ó','ó');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'íº','ú');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'ú','ú');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'ñ','ñ');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'í‘','Ñ');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'Ã','í');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'–','–');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name`,'’','\'');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name`,'…','...');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name`,'–','-');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name`,'“','"');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name`,'â€','"');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name`,'‘','\'');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name`,'•','-');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name`,'‡','c');
UPDATE `table_name` SET `column_name` = REPLACE(`column_name` ,'Â','');