Question about Sony Grand WEGA KDF-70XBR950 70" Rear Projection HDTV

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Blue shadow I Have a Sony KDF-70xBR950 and im getting blue shadowing on all video sources i replaced the lamp, tried to adjust color still nothing helps. Just out of Sony's extended warranty,(optical block) even after I contacted them thru their Sony support & service, before warranty was dropped. Positivly will not help me. Origionaly, they had me do some fix me's that I knew would not fix problem. At this time they should have told me of extended warranty offered for this problem. I think It's Sony's responibilty to contact people who purchased affected TVs of any extended warranty's, but they would probably go out of business, because they would go broke.

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U have to connect orhorised service center its very hard to repair it so u need to go with

Posted on Nov 05, 2008

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A variety of issues can influence poor picture quality, including settings on the TV, electrical devices in close proximity to the TV, and connection issues with the signal source. Follow the steps below to troubleshoot issues related to poor picture quality.
IMPORTANT:

NOTE: If model-specific information is required to complete any of the steps below, refer to the operating instructions supplied with the TV. Manuals are available online in the Manuals/Specs/Warranty section of the Sony Support Web site.
  1. Make sure there is no glare or reflection from an external light source on the TV screen.
  2. Turn off any electrical or battery-operated devices that may be creating radio frequency (RF) interference. NOTE: Vacuum cleaners, fluorescent and halogen lights, and some battery-operated devices (including toys) have been known to create RF interference.
  3. If your TV has a Digital Noise Reduction (DNR) function, turn this feature on.
  4. If your TV has a Digital Reality Creation (DRC) feature, try turning it off or on.
  5. If your TV has a Sharpness or Picture Mode setting, try adjusting these options. NOTE: If the television menu is fuzzy or blurry, then service may be required.
  6. If you have a projection TV, try adjusting the convergence of the picture tubes.
  7. Try plugging the power cord into a different electrical outlet and/or surge protector. NOTE: These symptoms can occur if the wall outlet is improperly wired or not producing the proper voltage. If using a surge protector or extension cord, it also could be faulty.
  8. If the issue is still not resolved, select the appropriate device below to troubleshoot the signal source and connections.

Posted on Nov 05, 2008

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Hi,
there are two possibilities either Blue LCD ( I'm talking about color engine) itself is defective or it has enough amount of dust layer.
Now they way is to open color engine and perform cleaning. If problem resolved, pretty good. (You need to do LCD alignment after cleaning)
If not, Blue LCD need to be replaced ( might be complete color engine)
Need further info, let me know please.
Good Luck.

Posted on Oct 08, 2008

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  • Shahid Electronics
    Shahid Electronics Oct 08, 2008

    Above solution is applicable if you have expertise in TV repair and good electronics knowledge.

  • Shahid Electronics
    Shahid Electronics Oct 10, 2008

    hope you received solution email.

  • Shahid Electronics
    Shahid Electronics Nov 05, 2008

    I was expecting your comments but nothing from your side.
    Extended warranty is better option to resolve TV issue.



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HI

You have a bad light engine or in Sony TV sets, it is called an Optic Unit Block Assembly. This is a very expensive part and should not be attempted to be replaced by a novice. Call an authorized Sony repair place to have this repaired. Good Luck

Thank you

Posted on Oct 08, 2008

  • Thafa Oct 08, 2008

    Hi

    see this link for repair the tv

    http://www.repairfaq.org/sam/tvfaq.htm

    thank you


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