The part in question will fail over time. It's not solid state and there are documents about the expected life span so old posts where it failed earlier than expected and was covered can lead folk to believe it's the same issue but it isn't.
Watch http://www.youtube.com/watch?v=JgiZdc4kZDw for an example of what to expect if you DIY.
Parts are out there at samsungparts.com and shopjimmy.com
Over the course of the past year, my HDTV has been developing white dots that have gotten progressively worse.
I am currently unable to afford the labor cost to fix this, let alone purchase a new TV, and I am wondering what my options are.
I have read some threads here where they have managed to get this fixed at no cost, but in calling Samsung I was told that my display is not covered for this kind of repair, even though the issue is exactly the same as in the HDTVs that are covered.
I have seen that Samsung_HD_Tech has been very kind in helping users escalate issues to maybe get this resolved. If you read this Samsung_HD_Tech, I humbly ask for your help!
Model #: HL-T6187S
Model Code: HLT6187SX/XAA
Transaction ID: 5108191462