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Blue haze around objects on lcd flat screen - Projection Televisions

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If the haze is like a halo it means your coolant needs to be changed

Posted on Apr 12, 2008

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Remove purple haze around edges


The set needs to be focussed and reconverged. The red and blue images combined make a magenta/purple image. Adding green makes it white. Depending on the type of TV, if it's a CRT projection TV then there's an electronic focus control for each of the three tubes as well as the mechanical adjustment of the optical lenses. Given the description, then I'd have a look at the electronic focus first. A sudden shift in focus suggests that something in that circuit has given out. This would cause the red and blue images to go soft enough to create a halo around objects on screen.

Sep 12, 2014 | Projection Televisions

2 Answers

Little blue dots on screen and large blue haze in upper left corn


Sounds like the light engine is going bad...that's why they stopped making these rear projection sets using LCD's. Costs almost as much as a new set! But get a second opinion before trashing it.

Apr 15, 2010 | Sony Grand WEGA KF50WE610 50" Rear...

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Our screen has a blue haze around the edges. The picture goes out intermittently and the sound softens.


You have a bad optical assy, common problem to many projection type lcd tv's, very costly to repair.

Mar 19, 2010 | Sony Grand WEGA KDF-55WF655 36" Rear...

1 Answer

Hi i have a phillips 43pp6360/79 it has a very cloudy over bright picture. Also when adjusting the blue convergence the second cross dosent appear anywhere but a slight blue haze moves around the first...


I'm not quite sure about the convergence issue, but the glowing white haze is a sign that the fluid in the color tubes is dirty and usually can only be fixed if the fluids are changed out(draining and refilling). This is not recommended for someone who does not know what they are doing, it is best to get an expert to do this work because it can be dangerous as well as hazardous to your television and quite expensive. Mostly all rear projection televisions will have this issue, but I find that just upgrading to a newer-model television is usually better, maybe a flat panel LCD(Liquid Crystal Display)(stay away from unknown brands and plasmas, although Vizio's LCDs will get you more bang for your buck). On an LCD, all you really have to worry about is cracking the liquid-crystal display, which is quite fragile, but can be avoided if no hands or objects touch the LCD. On the other hand, best of luck in fixing your Philips rear-projection.

May 16, 2009 | Philips 60PP9202 60" Rear Projection...

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Sony WEGA LCD tv has a blue haze on the screen as well as blue specs. Can this be repaired?


I had the same problem (w/o the blue specs). Sony extended the warrentee on this issue to the end of 2008. But hurry since I am not sure on that. They offered to fix it for free or sell me the latest flat panel ($2,500 at Best Buy) for $850. I took the flat screen since this problem will probably come back even after the fix. Also, they let you keep the old TV.

Aug 04, 2008 | Zenith D52WLCD 52" Rear Projection...

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Color out of line


Sounds like a convergence problem. First, try using your set's user convergence mode.

Mar 25, 2008 | Hitachi 46UX24B/25K 46" Rear Projection...

1 Answer

Philips 43P8341/37 blue color problems


Change the coolant in the blue CRT and your picture will be new looking again. Let me know if you need more information.

Mar 15, 2008 | Philips 43P8341 43" Rear Projection...

1 Answer

Picture problem Model Toshiba 61H71


Hi, convergence circuit has failed, IC`s and probably 1 or 2 precision resistors will have to be changed, not really something you can fix if your not an electronics tech, BMW Rider

Jan 09, 2008 | Toshiba 61H71 61" Rear Projection...

1 Answer

Zenith D60WLCD with blue haze over entire picture


throw the set away!the part required to repair the set is the optical engine.Zenith made alot of these sets with defective engine assemblies in wich the lcd filters burn,which cannot be replaced.The labor is also silly.Theunitrequires a complete teardown for replacment.You could buy a very nice new set for the repair bill

Feb 20, 2007 | Zenith D60WLCD 60" Rear Projection...

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Sony KP 48S75 Rear Projection Red Haze around objects on screen


Sometimes this can be caused by excessive dust buildup on the lens over the red picture tube, and if you have access to that part of the set, that is where I would start. If it is clean, then you could have the red tube out of focus either due to a bad focus block or if you were lucky, a minor adjustment may fix it. If the set was over 8 years old, I'd consider replacing it with a HDTV model. Check out Consumer Reports latest issue for a start.

Dec 16, 2006 | Sony KP48V85GRAY 48" Rear Projection...

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