Question about Sony KDF-E42A10 42 in. LCD Television

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Red spots I have red spots all over the screen of my tv, i have replaced the bulb and has not gone away. Is the tv shot?

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  • jakisargent Mar 18, 2009

    Red blotches or blobs on the far sides of the screen. Bulb was replaced but no changes.



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Its a light engine also known as an optical block

Posted on May 24, 2009

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I read your answer about kdp-51ws550 regarding the bulb usually the main reason( besides the power supply) dosen't this tv has three bulbs?


Three bulbs, no. They are not bulbs in the sense that you are thinking. The way that it works is there are three small high intensity CRT guns. There are three because most images on any TV can be created with three basic colors. They are Red Green and Blue (RGB). This has been the industry standard since the first projector came out and since color tv came about. Each Gun is pointed at a specific angle towards the Rear of the TV and is reflected off of a mirror then is focused to its appropriate spot upon the viewing projection screen. Gotta love math.

Apr 03, 2011 | Flat Panel Televisions

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Over past couple of months the tv has gotten 2 red spots in the lower right hand corner of screen about an inch in diameter, and recently a green spot in center top third of screen that is about 2 inches...


Unfortunately your light engine(also know as optic block) may need to be replaced. If your tv is out of warranty, it will probably cost around $1000 to fix. There is a slim possibility that the optics lens could have dust on it and a tech could clean it for much less than that. This is a very common problem in any dlp tv and they are all expensive to fix. I've replaced several of them at our shop, but about half of the customers won't have the tv fixed and will get a new one. Good luck!

Jul 30, 2010 | Panasonic PT-44LCX65 Television

2 Answers

I have a red glow in the middle of the screen and the color is dim. It has been gradually getting worse as the year has gone on. Is this a bulb issue or a convergence issue?


Hi,
This is light engine issue, light engine produce image and project it front screen of TV.
I'm afraid light engine replacement would cost you much, $1000 plus, check with local tech for estimate.
Thanks.

Dec 05, 2009 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

My panosonic lcd tv has devepoped multiple bright colorspots


This is caused by magnetic fields. Either the speakers of tv is faulty or demagnatziser not working. Switch of tv and remove powercord from wallsockets. Leave for about 10 hours and plug in powercord and switch on. if demagnatiszr is working the blue will be gone. if not have youre tv demagnetized

If hometheatre or radio speakers are closer than ½ meter this could also generate coulouration of screen. move speakers further away. If tv is on and and being moved your static electricity can also cause this. So switch of if if you move your tv.

Aug 09, 2009 | Flat Panel Televisions

1 Answer

There are red spots on the screen.


the bolb needs replacing not cleaning if it needed cleaning the picture on the tv with be light a cloud cant see pic right

Jan 27, 2009 | Sony KDF-E60A20 60 in. LCD HDTV

1 Answer

Lg 42inch LCD TV problem


The problems that you are talking about have been seen before. But I have some bad news for you. The LCD panel needs to be replaced. It would be cheeper to buy a new tv. Sorry.

Nov 20, 2008 | Samsung LN-S4051D 40 in. LCD Television

1 Answer

Help


I see a very large red spot on my screen now. I just replaced the lamp and it seem OK. Now I get a large red spot with no indicator lights. Is there a pending problem?

Sep 08, 2008 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

Lg tv will not turn on, red light


i think your bulb is shot must be replaced

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2 Answers

Spots on the screen


Your problem could be dust or dirt on the lens inside the reflection cavity or the problem could be the light engine. If the problem is the light engine, thank god you have an extended warranty as the light engine alone cost somewhere around 1000 buck. Good Luck.

Apr 27, 2007 | Panasonic PT-44LCX65 Television

2 Answers

Pink cloud covering most of the screen


If the pink spot appears as mostly a circle in the middle if the screen then a light engine is needed. If it is an even coverage than possibly just a memory initilization needed by a technician.

Jan 13, 2007 | Hitachi 50V500 50 in. HD-Ready LCD...

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