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Sony GWIII Owners thread - Page 122

post #3631 of 3890
I have a KF-50WE620, its been running since june of 2005. Would you guys recommend taking it apart and performing the dust cleanup mentioned on this thread, even if i have no major issues with the T.V currently? Apart from some faint blue and green blobs that appeared on the screen some time ago, but those arent really bothersome and dont seem to have grown in size.


P.s while I'm posting...How often do you think it would be reasonable to upgrade an HDTV? How often do you?
post #3632 of 3890
I have a kf50we610 purchased Nov 04. Anyway I've been lurking here getting some great info from all my fellow brothers in disgust with their Sony rear projection tv. My tv started the blue blob spread in Feb.-Mar. and the pixels seem to be dieing like flies now. It looks like the star field on screen saver and getting denser each day. I paid 2500 for it plus 475 a protection plan thru Circuit city that expired last year Nov. I am just sick to think to put anymore money into this tv to replace the optical block when it didn't even last 5 yrs.

Well, I just received a service protection plan notice in the mail from GE Appliances with my tv model listed from Circuit City. It came in a Circuit city envelope, I guess GE is looking to pick up some service contracts. A one year plan is 275 with other multi year plans available. It's a 20 percent discount offer compared to the web site plan of 425 with 25 dollar deductible. Go to GEAPPLIANCES.com and look under services/support at extended warranties on lower left. Fine print showed....p. TV image burn-in, plasma or LCD panels for minor pixel illumination issues that do not affect the overall viewing of the panel such as, but not limited to, missing pixels, intermittent pixels, or wrong color pixels; not covered. Well mine isn't minor and I am sure every one with this problem isn't either.

Has anyone else received this in the mail or used it. It's obviously a legitimate plan through GE. Just wondering if anyone else has received this in the mail or used a GE extended warranty. I am thinking the 275 is worth a try to get it fixed. Even if they deem it unrepairable they will give a monetary refund depending on age which when looking at the chart I could buy a new tv then.....I hope. Any other thoughts from the Brotherhood of Sony Disgust would be appreciated.

Also found on the contract - 6. If I change my mind, can I cancel my service contract?
We are confident that you will be completely satisfied with our service protection. But if you are not completely satisfied, you can get your money back on the remaining value of your service contract, no questions asked. This applies to Price Lock service contracts also. See The Fine Print for refund calculation.
post #3633 of 3890
Quote:
Originally Posted by pilon View Post

I have a kf50we610 purchased Nov 04. Anyway I've been lurking here getting some great info from all my fellow brothers in disgust with their Sony rear projection tv. My tv started the blue blob spread in Feb.-Mar. and the pixels seem to be dieing like flies now. It looks like the star field on screen saver and getting denser each day. I paid 2500 for it plus 475 a protection plan thru Circuit city that expired last year Nov. I am just sick to think to put anymore money into this tv to replace the optical block when it didn't even last 5 yrs.

Well, I just received a service protection plan notice in the mail from GE Appliances with my tv model listed from Circuit City. It came in a Circuit city envelope, I guess GE is looking to pick up some service contracts. A one year plan is 275 with other multi year plans available. It's a 20 percent discount offer compared to the web site plan of 425 with 25 dollar deductible. Go to GEAPPLIANCES.com and look at extended warranties on lower left. Fine print showed....p. TV image burn-in, plasma or LCD panels for minor pixel illumination issues that do not affect the overall viewing of the panel such as, but not limited to, missing pixels, intermittent pixels, or wrong color pixels; not covered. Well mine isn't minor and I am sure every one with this problem isn't either.

Has anyone else received this in the mail or used it. It's obviously a legitimate plan through GE. Just wondering if anyone else has received this in the mail or used a GE extended warranty. I am thinking the 275 is worth a try to get it fixed. Even if they deem it unrepairable they will give a monetary refund depending on age which when looking at the chart I could buy a new tv then.....I hope. Any other thoughts from the Brotherhood of Sony Disgust would be appreciated.

Also found on the contract - 6. If I change my mind, can I cancel my service contract?
We are confident that you will be completely satisfied with our service protection. But if you are not completely satisfied, you can get your money back on the remaining value of your service contract, no questions asked. This applies to Price Lock service contracts also. See The Fine Print for refund calculation.

I'm Canadian, so this likely wouldn't apply to me.
post #3634 of 3890
The problem with your tv is the Opticle block, not the pixels on the lcd panels.

After replacing it you will have no more bad pixels as you did before the blue blob started showing up.
post #3635 of 3890
I have several of these tvs and have taken them apart every chance I get to clean the dust of of the lenses except they still burn the optical filter. I now have the blue blob everyone talks about. I dont think the LCD is the problem because I put it back together without the filter and the blob is gone but the color is wrong. I would like to buy the filter only. Does anyone have a way to buy only the filters? Thanks, John
post #3636 of 3890
Quote:
Originally Posted by jjb220 View Post

I have several of these tvs and have taken them apart every chance I get to clean the dust of of the lenses except they still burn the optical filter. I now have the blue blob everyone talks about. I dont think the LCD is the problem because I put it back together without the filter and the blob is gone but the color is wrong. I would like to buy the filter only. Does anyone have a way to buy only the filters? Thanks, John

Do you mean the dust buildup burns the optical filter or do they just go bad on their own?
post #3637 of 3890
Quote:
Originally Posted by jjb220 View Post

I have several of these tvs and have taken them apart every chance I get to clean the dust of of the lenses except they still burn the optical filter. I now have the blue blob everyone talks about. I dont think the LCD is the problem because I put it back together without the filter and the blob is gone but the color is wrong. I would like to buy the filter only. Does anyone have a way to buy only the filters? Thanks, John

This is interesting ? No one has said what was breaking down on the OB. They said Projection is still doing OK . I always thought they moved faster air to keep OB cooler was why not a problem in Projection. Any suggestions Welcome ? jjb220, Can You show Picture's ?
post #3638 of 3890
Quote:
Originally Posted by G.B. View Post

This is interesting ? No one has said what was breaking down on the OB. They said Projection is still doing OK . I always thought they moved faster air to keep OB cooler was why not a problem in Projection. Any suggestions Welcome ? jjb220, Can You show Picture's ?

I will spend some time over the weekend dissasebling the tvs and taking pictures of the ones that are not working properly and show pictures of the ones that are after cleaning dust away from the filters. I have 4 of these sets now. 1x 60 inch. 2x 50 inch and 1x 42 inch. Bought them all used so im not hurting from the cost as much as people who bought them new. I first ran into the problem with the 42 since I used it in my bedroom and would fall asleep wasting tv life hours. Also my wife started this powder habbit near the tv. When I opened the tv I found dust on everything. It wasnt a blue blob but the blue was uneven so after the cleaning everything was back to normal. When I had it apart I cleanned everything with 99% alcohol and cloth used for fiber optics. I noticed the concetration of dust in one area on the light filter for blue. None of the other filters had burn. After it was cleaned it was letting more light pass in that area than the rest of the filter. I put the set back together and still had a good picture for about 3 months then the blue tint (blob) started on the left of the screen. I took it apart again and came to the conclusion that the blue is the first to be burned because of its frequency and it is burning the image of the micro dust particles into the blue filter. I removed the filter and reasembled the set to find a very even blue picture telling me that the filter has to be in place without burn to reflect an even blue image. I read on this forum that the heat from the lamp warps the optical block causing the blob and I have to say I completly dissagree. The heat from the lamp can warp the housing but the heat is not a factor in the image. It is the intensity of light that burns what looks to be a cheap dichoirc filter film on a piece of glass. I bought a new optical block so I had a spare to prove this when my 50 inch had a blue blob start on the top of the screen. I used the filter from the 42 and the image "blob" moved to the left of the screen like it was on the 42. So of course I had to put the 42 inch filter in the 50 and the blob was on top. At this point I have a working 50 inch but the blob started on my 60 and I am unable to find an optical block for a reasonable price so I went on a search for the filter itself. If anyone knows about where I can find parts for the 60, please let me know. Thanks for reading, John.
post #3639 of 3890
Quote:
Originally Posted by Hughmc View Post

Do you mean the dust buildup burns the optical filter or do they just go bad on their own?

I do mean to say that it is micro dust particles that burn the optical filter. That is why there is no definition to the blob. I have yet to understand what is meant by thumb print. Can someone show a picture or explain what that is? Thanks, John
post #3640 of 3890
Quote:
Originally Posted by jjb220 View Post

I do mean to say that it is micro dust particles that burn the optical filter. That is why there is no definition to the blob. I have yet to understand what is meant by thumb print. Can someone show a picture or explain what that is? Thanks, John

Which is what I have believed for a long time. The tv itself and or the parts are not inherently defective, but the ability for dust to get into the optical block and ruin it is in a sense a defect that it seems would be hard to prevent.
post #3641 of 3890
Putting the heat (light) source further away from the filters would be a good start.
post #3642 of 3890
I like the way your are approaching this.

I have found a few manufacturers of dichroic filters but there standars sizes don't seem to be correct. If you have one handy can you measure the dimensions. Most stock only 25mmx25mm but will cut to any size by request.

Also I am assuming these are bandpass filters in the 3 color spectrums of blue, yellow and red. Is this correct?

Quote:
Originally Posted by jjb220 View Post

I will spend some time over the weekend dissasebling the tvs and taking pictures of the ones that are not working properly and show pictures of the ones that are after cleaning dust away from the filters. I have 4 of these sets now. 1x 60 inch. 2x 50 inch and 1x 42 inch. Bought them all used so im not hurting from the cost as much as people who bought them new. I first ran into the problem with the 42 since I used it in my bedroom and would fall asleep wasting tv life hours. Also my wife started this powder habbit near the tv. When I opened the tv I found dust on everything. It wasnt a blue blob but the blue was uneven so after the cleaning everything was back to normal. When I had it apart I cleanned everything with 99% alcohol and cloth used for fiber optics. I noticed the concetration of dust in one area on the light filter for blue. None of the other filters had burn. After it was cleaned it was letting more light pass in that area than the rest of the filter. I put the set back together and still had a good picture for about 3 months then the blue tint (blob) started on the left of the screen. I took it apart again and came to the conclusion that the blue is the first to be burned because of its frequency and it is burning the image of the micro dust particles into the blue filter. I removed the filter and reasembled the set to find a very even blue picture telling me that the filter has to be in place without burn to reflect an even blue image. I read on this forum that the heat from the lamp warps the optical block causing the blob and I have to say I completly dissagree. The heat from the lamp can warp the housing but the heat is not a factor in the image. It is the intensity of light that burns what looks to be a cheap dichoirc filter film on a piece of glass. I bought a new optical block so I had a spare to prove this when my 50 inch had a blue blob start on the top of the screen. I used the filter from the 42 and the image "blob" moved to the left of the screen like it was on the 42. So of course I had to put the 42 inch filter in the 50 and the blob was on top. At this point I have a working 50 inch but the blob started on my 60 and I am unable to find an optical block for a reasonable price so I went on a search for the filter itself. If anyone knows about where I can find parts for the 60, please let me know. Thanks for reading, John.
post #3643 of 3890
Quote:
Originally Posted by tdma View Post

Putting the heat (light) source further away from the filters would be a good start.

Im sure it wouldnt be a bad idea to move the bulb away from the LCD's. I always wondered why Sony didnt position the lamp like a DLP lamped from the side with a fan blowing the air across the area instead of away. The lamp is no where near the electronic display components. I have yet to see a DLP DMD damaged from heat or light. I opened the optical block from my 50WE610 and found the LCD block is reversed. The red is closest to the lamp and it still developed a blue blob. The heat may be a factor on stuck pixels and the reason there is a leftover fading image. My 50WE610 has a trailing red image where my 60 inch has a blue. I hope Sony can come up with a longer lasting slimmer way to make these sets because I have not seen a better picture from a tv in these sizes and I see the rainbow effect really bad from DLP.
post #3644 of 3890
Quote:
Originally Posted by tdma View Post

I like the way your are approaching this.

I have found a few manufacturers of dichroic filters but there standars sizes don't seem to be correct. If you have one handy can you measure the dimensions. Most stock only 25mmx25mm but will cut to any size by request.

Also I am assuming these are bandpass filters in the 3 color spectrums of blue, yellow and red. Is this correct?

If they can cut the yellow filter to the size of the one used on the optical block that may work. I will need to get the size. The light filters I see are blue, yellow and red. I did alot of searching and found a company that has new optical blocks for a good price so I will buy from them so I can clean up the picture on the 60". I am not going to buy one for the 50WE610 because it does not have a digital tuner so I will continue to experiment with it and the old OBs from the other sets. I will add pictures monday. Thanks, John
post #3645 of 3890
Quote:
Originally Posted by jjb220 View Post

Im sure it wouldnt be a bad idea to move the bulb away from the LCD's. I always wondered why Sony didnt position the lamp like a DLP lamped from the side with a fan blowing the air across the area instead of away. The lamp is no where near the electronic display components. I have yet to see a DLP DMD damaged from heat or light. I opened the optical block from my 50WE610 and found the LCD block is reversed. The red is closest to the lamp and it still developed a blue blob. The heat may be a factor on stuck pixels and the reason there is a leftover fading image. My 50WE610 has a trailing red image where my 60 inch has a blue. I hope Sony can come up with a longer lasting slimmer way to make these sets because I have not seen a better picture from a tv in these sizes and I see the rainbow effect really bad from DLP.

No one makes LCD rear projections anymore. There are still some DLP's being made.
post #3646 of 3890
Quote:
Originally Posted by jjb220 View Post

Im sure it wouldnt be a bad idea to move the bulb away from the LCD's. I always wondered why Sony didnt position the lamp like a DLP lamped from the side with a fan blowing the air across the area instead of away. The lamp is no where near the electronic display components. I have yet to see a DLP DMD damaged from heat or light. I opened the optical block from my 50WE610 and found the LCD block is reversed. The red is closest to the lamp and it still developed a blue blob. The heat may be a factor on stuck pixels and the reason there is a leftover fading image. My 50WE610 has a trailing red image where my 60 inch has a blue. I hope Sony can come up with a longer lasting slimmer way to make these sets because I have not seen a better picture from a tv in these sizes and I see the rainbow effect really bad from DLP.

Sony stopped making rptv period, no design changes to consider
post #3647 of 3890
Quote:
Originally Posted by jjb220 View Post

If they can cut the yellow filter to the size of the one used on the optical block that may work. I will need to get the size. The light filters I see are blue, yellow and red. I did alot of searching and found a company that has new optical blocks for a good price so I will buy from them so I can clean up the picture on the 60". I am not going to buy one for the 50WE610 because it does not have a digital tuner so I will continue to experiment with it and the old OBs from the other sets. I will add pictures monday. Thanks, John

Are you speaking of tristate for the refurb OB?

They will do it for 300 or so I've heard if you send them the block.

It will fail again also, can you measure the filter please if you have one, I hate to take mine apart again just to measure the glass.

If we can get filters on the cheap, and it corrects the problem, it might make keeping this tv an option.

When this tv works it's an awesome picture.
post #3648 of 3890
Quote:
Originally Posted by tdma View Post

Are you speaking of tristate for the refurb OB?

They will do it for 300 or so I've heard if you send them the block.

It will fail again also, can you measure the filter please if you have one, I hate to take mine apart again just to measure the glass.

If we can get filters on the cheap, and it corrects the problem, it might make keeping this tv an option.

When this tv works it's an awesome picture.

I have a company that sells new OB for under 200. No repair or exchange needed. Does not come with board or fans but is well worth it. I did my first repair buying from them. I did not get to take pictures because my son broke my digital camera LCD. New one on the way so I will get photos then.
post #3649 of 3890
Quote:
Originally Posted by jjb220 View Post

I have a company that sells new OB for under 200. No repair or exchange needed. Does not come with board or fans but is well worth it. I did my first repair buying from them. I did not get to take pictures because my son broke my digital camera LCD. New one on the way so I will get photos then.

Can you tell me who that is? I have taken mine apart enough that I have no problem swapping components of the block.

Like many others I am out of work now and have been for a while.
A couple hundred bucks saved is a big deal in my house right now.

Also what do you get with the new block?
post #3650 of 3890
I have a Sony KF50WE610 that developed the infamous "yellow stain" in the upper right corner of the screen (extends into mid screen). I believe it to be the optical block. Here are my questions. If Sony doesn't cover part or all of the cost to repair (~$1000), is it more beneficial to buy a new tv? How long does this type of repair typically last before it happens again?
post #3651 of 3890
Quote:
Originally Posted by stm981 View Post

I have a Sony KF50WE610 that developed the infamous "yellow stain" in the upper right corner of the screen (extends into mid screen). I believe it to be the optical block. Here are my questions. If Sony doesn't cover part or all of the cost to repair (~$1000), is it more beneficial to buy a new tv? How long does this type of repair typically last before it happens again?

That is difficult to answer because there are many variables that seem to affect this tv.

The distance from the wall (air flow) can be a factor.
The amount of time the tv is being used per day is another.
The cleanliness of your house, smoking, dust, pet hair, and how often you clean behind your tv is a major factor.

My second block only lasted 19 months on my 60 inch. It was on about 10 hours a day, more some days.

You can bet it will happen again eventually.

If you can do the repairs yourself it becomes a possibility to keep it, if not, that 1000 + and a new lamp every year or 2 make it very difficult to justify keeping it.

Be sure to let Sony know how unhappy you are and never buy another Sony tv.
post #3652 of 3890
Quote:
Originally Posted by jjb220 View Post

I will spend some time over the weekend dissasebling the tvs and taking pictures of the ones that are not working properly and show pictures of the ones that are after cleaning dust away from the filters. I have 4 of these sets now. 1x 60 inch. 2x 50 inch and 1x 42 inch. Bought them all used so im not hurting from the cost as much as people who bought them new. I first ran into the problem with the 42 since I used it in my bedroom and would fall asleep wasting tv life hours. Also my wife started this powder habbit near the tv. When I opened the tv I found dust on everything. It wasnt a blue blob but the blue was uneven so after the cleaning everything was back to normal. When I had it apart I cleanned everything with 99% alcohol and cloth used for fiber optics. I noticed the concetration of dust in one area on the light filter for blue. None of the other filters had burn. After it was cleaned it was letting more light pass in that area than the rest of the filter. I put the set back together and still had a good picture for about 3 months then the blue tint (blob) started on the left of the screen. I took it apart again and came to the conclusion that the blue is the first to be burned because of its frequency and it is burning the image of the micro dust particles into the blue filter. I removed the filter and reasembled the set to find a very even blue picture telling me that the filter has to be in place without burn to reflect an even blue image. I read on this forum that the heat from the lamp warps the optical block causing the blob and I have to say I completly dissagree. The heat from the lamp can warp the housing but the heat is not a factor in the image. It is the intensity of light that burns what looks to be a cheap dichoirc filter film on a piece of glass. I bought a new optical block so I had a spare to prove this when my 50 inch had a blue blob start on the top of the screen. I used the filter from the 42 and the image "blob" moved to the left of the screen like it was on the 42. So of course I had to put the 42 inch filter in the 50 and the blob was on top. At this point I have a working 50 inch but the blob started on my 60 and I am unable to find an optical block for a reasonable price so I went on a search for the filter itself. If anyone knows about where I can find parts for the 60, please let me know. Thanks for reading, John.

here is a maker of dichoric filters, we just need to determain the size of the filters to get a price.
http://www.manufacturers.com.tw/show...a=8604-3-4-0-0
post #3653 of 3890
I would think item 505 would be the filter for the blue lcd.

Borosilicate

http://rocoes.com.tw/2008e/optical/dichroic.htm

The wavelenth for blue is 450nm, making this a blue bandpass filter.
post #3654 of 3890
TDMA,
any progress? I have a KF60WE610 with blue pixels. It needs a new light engine. If there is a cheaper fix (swapping the lenses) that would be great. Sure beats spending all that money on a LE.

JJB220,
can you share the company who sells the LE (minus electronics) for $200. That would be great if that information is posted!!
post #3655 of 3890
I have a Sony KDF-50WE655. When I turn it on it works for Less than a minute then its like it automaticly restarts. I have picture for a few seconds then no picture for about 45 seconds and its like a cylce over and over......not sure what to do? Can anyone help??????
post #3656 of 3890
Quote:
Originally Posted by chad772401 View Post

I have a Sony KDF-50WE655. When I turn it on it works for Less than a minute then its like it automaticly restarts. I have picture for a few seconds then no picture for about 45 seconds and its like a cylce over and over......not sure what to do? Can anyone help??????

I remember having this problem a few years ago. Best I remember, I just shut everything down (unplug the TV), wait awhile, and try again. If I remember correctly, the problem disappeared after a couple of restarts.

Of course, I came back to this forum because I have a problem. I have a Sony KF50WE610 with 6 to 10 (it varies) stuck blue pixels in the center of the screen in a constellation formation. Am I about to be toast?
post #3657 of 3890
Quote:
Originally Posted by chad772401 View Post

I have a Sony KDF-50WE655. When I turn it on it works for Less than a minute then its like it automaticly restarts. I have picture for a few seconds then no picture for about 45 seconds and its like a cylce over and over......not sure what to do? Can anyone help??????

I would give it a 95% chance you just need a new lamp.
post #3658 of 3890
Arniemc,

sounds like the optical block failure we are all experiencing.

Sorry to hear it but some reading reading will inform you and probably piss you off like the rest of us.

The blue dots will get worse.
post #3659 of 3890
I've tried unplugging the tv to reset it, didn't help. I was thinking that maybe it was the bulb also. But the one thats in it is only 12 days old. I have the optical block out now, trying to clear away all the dust to see if it helps with cooling the bulb. If the bulb still fails I guess I will return it and try to get a new one. Thanks for the input..........
post #3660 of 3890
Quote:
Originally Posted by chad772401 View Post

I've tried unplugging the tv to reset it, didn't help. I was thinking that maybe it was the bulb also. But the one thats in it is only 12 days old. I have the optical block out now, trying to clear away all the dust to see if it helps with cooling the bulb. If the bulb still fails I guess I will return it and try to get a new one. Thanks for the input..........

I don't know where you bought the lamp, but I personally don't mess around with anything other than original Sony replacement lamps.

I have heard some bad stories about those cheap Chineese knockoffs.

IMO spend a few bucks more and get the real lamp, they have been improved from the original ones that shipped in the sets and last much longer than they used to.

I have had the same issue and a new lamp has alwas stopped the problem for about 18 months or so.
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