Re: bottom right side of screen (about 4 inches high) has...
I had the same problem with my 4 yr old Sony KDF60WF655 rear projection set, and I was fortunate to buy a 4 year extended warranty - because it was the "Optic Block", ($1300. -not incl labor), that was replaced to fix the problem. That part contains all new LCDs, & multiple Lens & some electronics. I had already got a new bulb (under warranty) a few weeks earlier, that I had not yet installed so the service guy did replace that as well. (This happened 3 weeks before my warranty ended).
He told me that he replaces hundreds of Sony Optic Blocks every year and that many Sony Rear Projection sets have automatic FACTORY extended warranties (up to 10 years), because of some known problems with the blue LCD panels. You might want to contact a SONY office & see if your set is covered.
ALSO - The tech checked my Service Codes & showed me the TV had been running for 10051 hours in about 4 years - on the Original bulb! He was quite surprised because he said the bulbs usually last about 5000 - 7000 hours. He also said it's good to replace them BEFORE they go bad, because they can sometimes burn out the amplifier that powers the bulb, (which is a seperate piece that attaches to the outside of the Optic Block). My TV is like new now.
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The Optical Block is causing the problem. It has been a common problem and Sony may still have a recall on it. You can check it a 1800-222-sony. If it is not still covered, I would expect to spend 800.00 to 900.00 for the assembly plus 250.00 labor for a professional to replace it.
I hope this helps,
if you have a Sony LCD projection ..Theres good chance optical block needs replacing .This spot will get bigger and will eventually cover most of screen the longer you use it .needs repair.If there is no warranty on this unit..I would estimate repair around 6- 8 hundred dollars ..
I have a similar problem with an LG (except my red is the one that is fine) and was able to talk to a tech in some detail about it. The tech prefaced by saying that he had done a hundred or so of these with exactly the same issue. This is very common and the life span of rear projection televisions is not great. Having said that, plasmas and LCDs are also limited in life span mostly due to modern high performance gaming machines which shorten the lifespan of monitors both plasma and LCD alike.
From what I have gathered, this is not a problem that you can easliy sort out. (Of course they would say that though) It involves replacing the digital board which means soldering followed by aligning the lamps which requires quote a lot of expertise.
The part itself apparently costs around $200 Australian and the labour will vary for the cost of the technician but I was quoted that the labour was about the same cost as the part.
Not sure if I would call this solved but I hope it has been at least a little helpful.
·http://esupport.sony.com/perl/news-item.pl?news_id=24 ·Which models are affected with the "flicker" problem?
A1: There are 12 models in total: KDP57XBR2, KDP65XBR2, KP46WT500, KP51HW40, KP51WS500, KP57HW40, KP57WS500, KP57WV600, KP57WV700, KP65WS500, KP65WV600 and KP65WV700.
You have dust on the lcd image plate and about all you can do there is take it too the shop. Unless you have an expensive dust free enviroment and know how to dismantle the light engine...
It's not an expensive fix for a qualified shop - call around and explain what you have here in your post. A good shop will know what this is right away...