Question about Sony Grand WEGA KDF-50WE655 50" Rear Projection HDTV

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Yellow Spot dead center on screen

I have a yellow spot dead center on my screen. Didn't realize it until my kids played "March of the Penguins" - the yellow spot stood out against the white snow. Any do it yourself remedies for this? If not, what should I expect from a professional repair visit? I also have yellow spot. We thought lamp was gone. Paid 200.00 and replaced it. Still there.

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First of all replaceing the optical block is like killing a mouse with a tank.
servicers only do that because #1 there not trained to replace a single polarizer
or lcd pannel its quicker and easier just to pull the light engine.
this is how you fix this issue:
buy a service manual,it will tell you how to disassemble the projector.
once you can get to the lcd's and polarizers inspect them, look at the blue polerizer first shine a bright flashlight at it if it is bad you will see discoloratoin it will not look uniform do the same for all of the polarizers and lcd's you will find your problem.if you look around you can find your parts cheap its better than buying a new one.fyi,to much heat cause's this condition usualy clogged filter or not enough ventilation.

Posted on Feb 13, 2012

  • Sam B Feb 13, 2012

    this solution i wrote was for the panasonic pt-ae2000 projector the sonys sufferd from bad lcos pannels and polarizers same procedure buy a service manual take it apart inspect replace bad parts clean put back together.

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Any color spot is never the lamp with this type of set.
the yellow spot is caused by the optic block (Engine). Very expensive to buy.
Little over $1000 plus labour with a qualified technician.
Sometimes technician may try to clean or repair inside but most likely won't succed.
good luck.

Posted on Sep 22, 2008

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SOURCE: Yellow Spot dead center on screen

I have a panasonic 47" rear projection tv and recently red yellow dots and lines started to show up, what could be the issue here?

these lines and spots aren't external...they are part of the picture itself.

reply would be much appreciated :)

Posted on Dec 31, 2007

6ya6ya
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Posted on Jan 02, 2017

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