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Blue circular image on dark screen on our zenith lcd tv about 5 months after chaning halogen bulb?

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Anonymous

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You have a bad light engine, sorry.

Posted on Dec 16, 2009

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I have noticed the screen is now not as bright as it use to be, still works just not bright. A darker look is the best way to describe it

Hi,

The most common indications of a weak bulb in a Sony LCD Rear Projection TV are:
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  • NoPicture, Dark Screen.
  • Shadowsin Image, sometimes circular.
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Also check for distortion caused by Optical Engine Failure. If any of these faults are present, bulb will not fix. Sony Optical Engine Fault Gallery

Here is a link for Identifying Sony TV Lamps.

[email protected]
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My tv has sound but no image..only a dark blue almost black screen...the same screen as component

The tv projection lamp?How long it been inside ur tv,if it like 1 1/2 or 2 and tv been in used like 4 or 5 hours a day.The tv projection lamp life are ending and the causes.Replaced the tv projection lamp the tv should be fine.
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I have a 50inch DLP Hitachi that is 3 and a half years old. I replaced the bulb about 5 months ago now the blacks are blueish and it has a greenish blotch on the screen. It also leaves an image on the...

Contrary to popular belief, any display product can have "Image Retention" and even "Burn-In". This is true for Plasma, LCD, LCOS, DLP, and CRT. I do not see a model number provided, but I would bet that you have an LCD rear projection TV rather than a DLP projection TV. If this is the case, the Blueish and Greenish blotches you are seeing on the screen are the result of UV light damage. UV light will move heavily damage the Blue panel, due it's short wave length. So, bad Blue or Green (absence or Blue) is typically the the first visual indicator of a problem. Replacing the Light Engine will resolve the problem.
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Blue images on lcd tv

optical block failure
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I have a 1994 zenith big screen the picture is showing really dar

It could be that the picture tubes have gone down on emission, there is a prcedure that can be tried to bring up the overall brightness but it is just possible that you will loose some picture quality. If it's a 1994 projo tv i am thinking of the three crt system, a gray scale alignment would probably correct the dark condition in your picture, again depending on how far gone is the emission in your picture tubes, if your projo tv is the dlp system, the bad news is that you could be needing some light engine repair. The color adjustment is possible with the availability of a service manual or in the case of the dlp system, light engine repairs or replacement are available from some on line stores.
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My zenith D52WLCD has a blue haze going diagonally

This a Normal Intensive Use Defects, this a Screen Burnout. Sorry
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Dark and snowy Screen on my Zenith Plasma

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P42W46X

take visa or mastercard to local best buy for new tv. sorry
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