Question about Sony KDF-E42A10 42 in. LCD Television

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Light engine Why did it pop, and what causes the halo. where is it and why so difficult to change? the sony is two years old

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What do you mean by halo? and pop?

Posted on Aug 08, 2008


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Green tint on screen especially with dvds. picture also cuts out for a few minutes every hour or so on our sony kds-50a2020

Usually in this set if screen gradually changes to something other than black and white the optical light engine is the problem---major part.

Google the model number with "problems" or "light engine" to learn more.

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Ghosting or double vision on screen...about 5 years old..changed bulb did not change anything

If your TV looks 3D, warped, or distorted it likely has a convergenge problem.
If however it just looks dull, washed out, redish, or if it looks like objects on the screen have halos the fluid in the lens has soured.
You can search google for parts or you can get the parts with repair instructions from sites such as

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Engine light is on. Apparently the problem relates to a sensor on the muffler. I am told there are three sensors on and the one that is causing the problem is the rear sensor or the one furthers away from...

The oxygen sensor can prove to difficult. Your third sensor should be after the catalytic converter depending on make, model and year. You'd need a O2 sensor socket and remove it when the engine is hot to avoid breaking it, stripping it or both.

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I have a sony kdfe50a10 that has a great picture in the middle but has a yellow halo all around it. I replaced the bulb about a year ago. Does anyone have the same problem.

It may be the color wheel or the light engine. Do you hear any whiring noise - more than usual from the TV? If so its possible the color wheel bearings are going out.

Dec 10, 2009 | Sony Televison & Video

2 Answers

Loud clicking sound when starting engine: 98 Suburu Outback Legac

The oil pump on your engine (EJ25) has a back plate on it that the screws tend back out and allow oil to flow out the back of the pump insted of through the engine. Most times the plate will back off far enough to loose oil pressure all together causing engine failure. You need to remove the oil pump and replace it or take the old one and tighen the screws using blue Loc-Tite.

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1 Answer

Tint is yellow green

bad light engine call sony and see if your tv is one on the extended warranty list.

Sep 20, 2009 | Sony KDSR50XBR1 50" Projection HDTV

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My sony trinitron is 14 years old. has no picture, sound is fine

In this situation many possibilities could be there like:but one thing is sure that the area of problem is "Vertical Section"
1-PF could be short/open
2- Collector volts are not present due to open/short
3- Capacitor could be popped.
If you are tech person then check the Vertical Section and you will find the caused component.
And if you are not an expert then i suggest you to contact any expert because fault finding is a bit difficult and can only perform by an expert.
Thanks for using fixya.

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1 Answer

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I believe you have a optical Engine causing the problem. Due to the cost, I would call Hitachi to see if they could help with repairs.
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Sparkly halo around edges

This is caused by speakers being too close to the TV. Try moving your entertainment speakers away from the TV. If this was the problem, the halo will go away in about a week.

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1 Answer

I have Samsung HL-S4266W DLP. It's about 1 year old. Just began seeing what appears to be 'haloing' on all channels. My neighbor calls it 'crunching'. It doesn't matter what source I use (ie...ant,...

HI, Could be caused by alot of problem, first why in h#$% did you by Samsung, the haloing, my be cause by bad power supply, by y board, what tech do is change one board at the time, I would change the board on the left hand side whitch is the y board, then power supply, if for any reason it doesn't regulate proproly, it will make this problem.

I hope this help

What About Bob
Timmins, Ontario

Feb 24, 2008 | Televison & Video

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