Hitachi 50VG825 50 in. LCD HDTV "spots projecting onto screen" Questions

...spots are. Please help. You will need a new optic block assembley. This has been a common problem found in all brands of LCD projection type television sets. Cause for this is fine dust and particles ...

onto the screen. For some brand, the type of lamp you need is listed on the side of the TV. (It's also on the lamp housing or in that area.) However, different brands access the lamp in different ways

...onto the screen or the mirror (do not touch it) or between the lens and the inside of the screen---anything will if there show up in the picture.In some cases I have used compressed air to dust these ...