Mazda 3 bk 2005 display issue
 

Hello everyone. From a week I am owner of Mazda 3 bk from 2005, 1.6 105hp. Yesterday I went to service to change oil, filters and spark plugs...when I got my car back I saw that the radio display is not working well. Most of the time I see fully blank display with orange background light. Everything is working well as radio, AC...etc, but I don't see any info on it. From time to time while I am driving pixels came up for a minute and then again blank display. Also most of the time pixels are in shape of dashes and they are flickering sometimes. The day before service everything was fine. I saw similar solutions in the forum like changing fuses, disconnect battery, but nothing helped me. Does someone had simillar issue and what can I do to fix it. Thank you!