Mitsubishi Model # VS5017S need dedflection board

i also have a mitsubishi  VS-5017S great tv sound is coming in but screen just shows a blue line across when you push test button on set or remote . someone told me it needs a deflection board. if possible can anyone tell me where to find schematics for both of my sets . they are sony KP-46S15  & mitsubishi VS_5017S thanks again for any info given we appreciate your help.