Question about Sony KDF-E55A20 55 in. LCD Television

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I have a faint light blue tint on part of my picture, it is present in all input modes and with any device operating. Looks almost like an old CRT when it needed to be degaussed

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Its appears that the Optical block of the TV is affected and needs to replaced. I hope you have tried with different cables and different inputs also along with different video source. Please reset the TV by disconnecting the power from the wall outlet for a minute and then reconnect the power cord. After that try to view the channels. If the issue persists, please contact Sony to get the TV repaired under optical block extended warranty. FYI: Sony has ended the warranty however, call 800-222-7669 to discuss about the free repair

Posted on Sep 26, 2009

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Posted on Jan 02, 2017

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3 Answers

Phillips tv has red tint across screen


This brand is known for getting discolored CRT cooling fluid in the blue and green CRTs. At 10 years old, it's almost for sure .. unless never used. A bit expensive repair. Don't attempt this yourself unless you're both a TV tech and a transmission mechanic ,, LOL.

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I have a sony wega and the picyure is clear but has a green tint what could that be


There are several possibilities in that area. The Picture Tube (CRT) is driven by three different video signals. One presents the Red, one the Blue and one Green. All other colors are derived from a mixture of those three colors. The greenish tint could be a sign that the green gun is being over driven or the Red and the Blue are less than adequate to create a normal picture. Sorry to say this but the most common problem that causes that symptom is the emission in the "gun" assembly inside the picture tube is declining with age and hours of operation. Sony Picture tubes are typically good for around 40,000 hours of use. I don't recommend replacing the picture tube. If the set is more than 5 years old I would suggest that you start looking for a new set.

I know this is bad news but I am just telling what I know the most likely scenario that I have seen in 35 years of TV service.

Zashiban

May 29, 2010 | Sony Televison & Video

1 Answer

The picture has a green tint to it on all channels


The color signal consists of Red, Green and Blue. Those three colors, at various degrees, make all the other colors on your screen.

If you have a BRIGHT green screen it's best you don't operate your set.
If it's just tinted green then there is a problem on the CRT (Cathode Ray Tube) drive board. Do check your "tint" setting and see if someone misadjusted it. If that isn't it then you need to have your set on an electronics bench and get an estimate for repair.

Apr 17, 2010 | Sony FD Trinitron WEGA KV-27FS100 27" TV

1 Answer

Grainy and red tint on component video inputs from


Usually when you have a red tint when using the component input i'ts because the wires are switched on one end or one of the 3 video wires is bad. See if blue and green are switched.I see this all the time. Is your picture grainy on all input?

Nov 22, 2009 | Panasonic TH-42PX75U 42 in. Plasma...

1 Answer

Mitsubishi cs-40503 tint problem


internal codes are good, but when the is like what you post then a tech is what you need.it seems that one of the problem is the flyback transformer or the CRT cap.have a tech check you unit.

Sep 08, 2008 | Mitsubishi CS-40503 TV

1 Answer

Picture fads to Blue after a 30 minutes the picture comes back with a blue tint.


yeah you need a tech to adjust the bias of the picture tube if you are lucky that fix it other wise the blue picture tube is bad

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1 Answer

Blue tint screen in video mode


· http://esupport.sony.com/perl/news-item.pl?news_id=24
· Which models are affected with the "flicker" problem?
A1: There are 12 models in total: KDP57XBR2, KDP65XBR2, KP46WT500, KP51HW40, KP51WS500, KP57HW40, KP57WS500, KP57WV600, KP57WV700, KP65WS500, KP65WV600 and KP65WV700.

Jan 05, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Sony 46" RPT color problems


Hello BlueKalel,

It looks like your green CRT is malfunctioning. You should try to see if the voltages are correct on the socket of the green CRT and check the high voltage on the green CRT using a high voltage probe. Use a schematic diagram to reference these voltages to.

I am positive that the problem is the green CRT or the circuitry leading to the green CRT. Please use caution when checking these voltages.

Thank you,
Shuttle83

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1 Answer

Images seem over-exposed


Time for a new one I guess- too old to consider remedial work.

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1 Answer

Toshiba 32AF41 Power up Problem and Green Screen


My first inclination would be to check the picture tube, especially if the set is over 7 years old. If it is not that, then anything from bad solder connections to capacitors or a defective IC could be the cause. If it's over 10 years old, replace it. No use flogging a dead horse.

Jan 13, 2007 | Toshiba 32AF41 32" TV

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