Iam looking for the "module" for the color for my Beovision MX3500. Is there possibility to find a damaged MX3500, so to remove any module or electronic part from the TV ?

Hi, I have a Beovision TV Model MX3500 and it has the following problem: I switch it ON and either it is appeared a black screen and you may listen only the voices or if it comes up normally, suddenly the colors dissapear and you can see the picture in black and white or becoming black screen again. According to local B&O service the "module"