Thank you, for your replay. No! Problem with picture size, if adjusted the brightness. Kalev

If adjust brightness....change picture size.

Mr.Die_Bogener on the maiboard I replace IC4=TDA8124 (geometry controller), but nothing change.

Dear Die_Bogener, Did you mean this caps: C52-2200uF x 16V C44, C46, C120, C121, C131, C134-470uF x 25V and 63V C48, C130-1uF x 50V C14, C137-22uF x 10V C29, C42-100uF x 40V and 100V C61-2,2uF x 50V I replace this caps but nothing change. Please give me more advice. Kalev

Thank you for your reply.

Dear B & O fans, Sorry, my bad english. My MX6000 in service mode I'cannot adjust horizontal amplitude, geometry in the corners and the sides ). I change transistor TR33(BU2508DF) and free caps C100 220uF 16V, C102 6,8nF 1600V, C101 2,2nF 1600V. But nothing change. Please give me a good advice Best regards, Kalev