Sony XL-2100U Projector Lamp for KF-42WE610, KF-50WE610, KF-60WE610, KDF-60XBR950, KDF-70XBR95 "dlp tv lit sound" Questions

...it has worked fine since. Is this a new problem or is it the bulb? I think that it is 4 years old. what should i do? Hi there Is this a DLP tv ? If it is then your colourwheel might need ...