Originally Posted by jjb220
Has anyone been able to find the rebuild parts for these TVs? Filters and such? I am trying to avoid having to buy a new digital board when I dont need it and should be able to buy the LCD assembly for much less.
I know there has been some discussion here about obtaining separate parts rather than the whole optical block. It certainly seems like it should be possible, since companies like TriState Module presumably replace the damaged parts as part of their rebuilding process (for which they seem to charge ~$300 for parts and labor). However, I don't think that anybody who has figured out exactly which parts are needed (and where to get them) has made that information public.
It is also still a bit unclear to me whether it is a filter, the LCD panel itself, or whether the specific types of visual anomalies arise due to degradation of different parts. For example, the blue haze (diffuse light blue color) is certainly not pixel-based, and you can see temporary burned-in images that diffuse over time. In contrast, the blue star pattern (dots) seem to be pixel-based. In addition, the blue blobs may be distinct from the blue haze, as they are seemingly much brighter and more concentrated.
Beyond these observations, some people have said that swapping out filters gets rid of the problems, while others have taken pictures of their LCD panels with visible damage to them. Perhaps the haze, and maybe the blobs, arise from damaged filters, and perhaps the star patterns arise from damaged LCD panels?
I read your write up and agree with everything except for the heat on the LCD panels. I have a KDF 50WE610 and a KDF 42WE610 and both have the blue lcd furthest from the lamp. The closest LCD is the red, reversed from the way my KDF60WE955 is and both 610 models have blue dots and haze. I belive it is the ultra violet light that causes the problem and sony could have found a fix. My $.02.
Thanks for your comment. I recently read a post by you (or somebody else with a similar model) making the comment about the blue LCD being furthest from the projection lamp, and I also read the judge's Opinion and Order on the SXRD lawsuit in which he cited the UV light as a problem. That led me to change my web site to include the possibilities of heat, certain wavelengths of light, or both being involved.
What seems very clear
is that there is some latent defect or defects in Grand WEGA TVs that become evident after a certain number of hours of usage (~6,000-9,000). The specific mechanism of degradation of the optical block components that occurs as a result of these defects would be interesting to know from a technological standpoint, but probably only Sony knows the answer right now, and they are not sharing that information. It will probably take a lawsuit with subpoenas for engineering documents to illuminate things.