Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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TV has distortion very small on top and bottom which will flicker

It will flicker at the distortions at times where it will change colors and then go back to normal. The brightness doesnt seem as bright as it once was either. Please some suggestions. Some days works better than others.

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This tv has two common problems:
in the power supply (set does distotions and shakes a lot etc very unstable until the set cannot work at all).
powerfully color gets back with a deep clean in the reflexion area. I'm sorry this job is for a technician, The set is so intricate for those two problems that any bad movement in this precision job could send the tv straight to wherever is bad.

Posted on Apr 17, 2009

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Posted on Jan 02, 2017

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Lines going through it and is very distorted


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Distorted picture on screen


Projection sets have two very common problems.

The first common problem is convergence


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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My 36 inch RCA tv has black bars on the top and bottom of the screen. The color is also dark even in daylight scenes. Can you help with this color.


as a general rule, vertical faults can be divided into two types: ones that cause geometric distortion (a circle will not be round) and those that simply black out a portion of the screen. the former are faults in the vertical oscillator, drive, or output stages. the latter are blanking faults. blanking faults are almost always caused by electrolytic capacitors changing value and thereby changing the timing of the pulses which blank the screen during vertical retrace. In other words, the pulses are turning off the video signals at the wrong time. the most common true vertical fault is geometric distortion and a foldover of white lines at the top of the screen. this is almost always caused by the electrolytic capacitor on or near the collector of the vertical output transistor or part of the IC which has the supply voltage (B+) on it. In the old tube days, the general rule was that bottom distortion was in the cathode of the output tube and distortion at the top was caused by a fault in the drive circuit. this may help the solution!!

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I hope this helps you but you might wanna look into some other posts too cause it goes farther then the lamps and color wheels. Basically it's a bad product and the consumer should be fixing it. But your problem seems to be the color wheel. Or just a good cleaning. We replaced the lamb in ours and still had a color problem. We're gonna do an exstensive cleaning and dusting of our unit and if it don't work. We're going straight to the manufactor. This is enough with this product! It's costly to repair and still don't have the quality picture it should. It's more then a simple fix and too costly for ppl to just fix and move on. For how old these products are this all should not be happening.

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Pictue problem


One of your convergence output IC's has burnt out and needs to be replaced. When the IC that handles the Red Vertical (RV) channel goes bad then a small low-value resistor usually burns out with it and the red color will sag inwards at the top and bottom. If you have no experience in repairing and realigning convergence circuits then allow a qualified tech to handle it for you.

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