Question about Sony KP-51HW40 51" Rear Projection Television

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Sony 51" KP51HW40

Hello - I have a 4yr old sony that's been sitting in my living room dead for probably 8mths now. The problem is when I turn it on the screen shows for a couple of seconds then it starts to get these green curved lines flashing then a few seconds of that and the tv shuts off. I've been told by some repair people that by what I describe it looks like it could be that my green picture tube has gone bad which can cost anywhere from $550-650. We bought this tv around $1200 so it makes no sense to me to fix it for that amount. If it is the picture tube is that something I could change myself? I contacted sony and they say the part cost $140 which is a lot cheaper than the $650 estimate I got. Any thoughts? Other suggestions of what may be going on? Thank you!

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  • Mickie dev Oct 12, 2006

    Hey Brookeinfla - I was wondering how did you get the information about faulty picture tubes and that they no longer make the parts. When I e-mailed sony they told me that the picture tubes were only warrantied for 1yr and that a picture tube for our model would cost $140 each. So that would suggest that they did have the part.. Is there something I'm missing or was I misinformed by sony? I hope you don't mind my also added you to my aim so maybe we can talk about this a bit more.... I'm usually always around so message back anytime........ thanks Mickie

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MCDV1, I have the same problem with our Sony 51" KP51HW40 as well as thousands across the country. I have done a lot of research on this and have been in contact daily with Sony and my area service dealers. This is what I have found: The green, red, and blue picture tubes are filled with a material that is defective. When this material eventually gets overused (after a few thousand hours of use) the TV senses "something is wrong" and automatically shuts itself down. Sony is and was aware of this situation back in production and even changed the type of tubes they used but the new ones weren't any better. Sony established an extended, limited warranty to cover the cost of repair for this well-known problem but at this point the picture tubes are no longer in stock to provide repair. According to Federal law, manufactures are obligated to replace with equal or greater value product if they cannot provide repair on something they know was defective. My suggestion is to visit www.ftc.gov to report a consumer complaint to the Federal Trade Commission. I just did this morning and it took me about 3 minutes - very easy. Turn to Sony and ask to "Escalate your complaint" to higher levels because Call center reps are not in a position to help you. You start to get somewhere when you get a Special Event ID # and reach the Tech Rep department. I have been in contact with a few people that have been very persistent and stuck to there guns on this and they have been able to get an upgraded new TV for the price of what the repair would have been if Sony had been able to repair the set. The entire process for these people took about 4 weeks. I'm in week 2 and feel like Sony if finally being receptive. Hope this helps, feel free to contact me for any additional information at Brookeinfla@aol.com. BadSony

Posted on Oct 11, 2006

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There is a good possibility the green picture is arking and making the set turn off,SOMETIMES if you pick up the set from the ground about 3 inches and then drop it takes care of the problem,then the same symptom becomes intermitant or goes away for a long time,replacing the picture tube is a lot of work and then it needs to be adjusted completly that is why the high labor,If you decide to try it dont over do it,if that does not take care of it the only solution might be to replace the picture tube.Please let Us know if you need more information.

Posted on Oct 11, 2006

  • Omar Urrutia
    Omar Urrutia Oct 11, 2006

    The rating response is important to the person helping you

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