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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Posted on Jan 02, 2017

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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...

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Blurry screen on 50in Hitachi LCD


Sounds like you need a bulb replacement, if you watch tv a lot ave life is about 5 years

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Black spot in bottom of tv


I just had my caps replaced and after the tech put it back together there was a spot. He tok the screen off and cleaned the mirrors around the bulb and the large mirrors(they were reaaaalllllly dirty. It did brighten up the picture and it looks crisper, oh and the spot was gone.
P.S.. Like nettiser stated. If it's unde warrenty have them do it. If you drop something "you will be pissed" if you don't !

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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 | Televison & Video

2 Answers

I am getting a red spot on my screen. Is this a


no, it is the light filter (polarizer). it is caused by excessive heat and dust buildup. blow out projector with canned air to prevent further discoloration, but the filter needs replacing.

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1 Answer

Spots on picture screen,color not correct


the picture tube has three color production units (bulbs) red, yellow and blue.....since these three colors can be combined to produce almost any color. as you have specified the red bulb might have damaged due to one of the following reasons.
1.continuous usage
2. keeping your tv in standby mode for a prolonged time.
the only thing you can do is call a technician and get your damaged part replaced.
remember please do not try to disassemble the unit yourself.

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1 Answer

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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.

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1 Answer

PICTURE WITH BLACK SPOT


CCD sensor has some dirt/dust on it . Set camera to B ( in manual mode scroll until 'bulb' is displayed in the top display ) . Take lens off and release the shutter and keep the button pressed down so that the sensor is exposed : use blower to remove dust/dirt but NB do not touch sensor surface as you will make it even dirtier. Take some shots to see if the spot has gone and repeat if it has not disapear.

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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.

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