Question about Thomson 50DSZ644 50" DLP Rear Projection TV

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Thomson 50DSZ645 I have *as above* dlp tv. The picture has no brightness, and has been slowly fading over the last few months. it has got to the point now where it is in storage as the picture is just about viewable with a total dark room. Any suggestions? i have been told to get a new bulb? if so, do you know which one to buy? cheers

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  • shammii Dec 02, 2008

    I have the same problem,...
    would any one know where to buy the bulb mentioned above within the u.k , and how much does it cost? (have been told its much cheaper pickin one up in france..?

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In your case you need to clean the color wheel and laser is probably covered in dust and other contaminants this is not that hard to do just use the access panel and a microfiber rag a can of dry air would help. also I'm including a video to better help you I did not have as hard a time cleaning mine it had an access panel I used long q tips to clean mine and a microfiber rage to clean the lamp I also cleaned the large projection mirror it took me about an hour to do it all...........I hope this helps


here is video 1 of 5 he has all the others on his site as well

Posted on Jul 20, 2009

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There is only one brightness bulb for your tv. You have the main bulbs which run the color for the Tv and then you have another bulb which runs the brighness. Typically it is a flourecent bulb inside which does need replacement now and then. Check tje specks on the tv's web site and you should be able to get the model number of the bulb from them and you should be able to purchase it from a repair shop or from online

Posted on Oct 23, 2008

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1 Answer

Thomson 50DSZ644. Just replaced the Lamp great picture but burned smell.. after few house it smelled verry bad..and i turned off. now when i turn on the tv the picture in middle is dark and still thi


should have unplugged it when you noticed the smell.

UNPLUG and remove and look at lamp you installed--is something in the housing where lamp goes melted? I hope you did not touch the face of the bulb with your hand or fingers.

What ever is wrong find it before trying to use set again.

Dec 22, 2012 | Thomson 50DSZ644 50" DLP Rear Projection...

1 Answer

Turned on tv, no picture, only sound


the problem is likely the projection lamp .. you can replace that yourself if you are handy .. you must unplug the set and make sure everything is cool ...avoid getting finger prints on the new lamp ...here are a few places where you can get a new lamp ... you can also see what it looks like on this site ...

http://www.bluestar-online.com/Mitsubishi_Model_WD_65731_Replacement_DLP_Lamp_p/wd-65731.htm?gclid=CLb9k4zf-6ACFdk55QodwT3dxw

the lamp is likely in a cubby in the back of the set (where you used to see the bright light) ...

the lamp is mounted in a cage ... you can get the lamp already mounted in a new cage from here ...

http://purelandsupply.com/WD65731-Mitsubishi-DLP-TV-Bulbs.html

......it costs more mounted but its easier to change and you will need a new cage if yours is damaged .. from the site above you can see what the cage looks like with the lamp already mounted ..

your lamp is a model 915p049010 ... that is available thru amazon at a good price here:.(includes cage)........

http://www.amazon.com/Mitsubishi-915P049010-Lamp-DLP-TV/dp/B001AJ8RAA/ref=dp_cp_ob_e_title_0

Apr 10, 2010 | Mitsubishi WD-65731 65" HDTV

1 Answer

What the model lamp for projector thomson 50dsz644


www.myprojectorlamps.com/rptvprojector/THOMSON/50%20DSZ%20644.html - United States
www.chooselamps.co.uk/search/projector-lamps/make/THOMSON - www.soundandvisionav.co.uk/.../THOMSON-50DSZ644--DLP-TV-UHP-Lamp-.html -

There are some links above.

Mar 24, 2010 | Thomson 50DSZ644 50" DLP Rear Projection...

1 Answer

When I turn the tv on it takes about two minutes to get a picture basically like it is slowly coming on. The TV was purchased new on March 6, 2009 so only a few months old.


Might be its time to replace Lamp Lamps Last only between 5000 to 8000hrs you cannot leave these sets on like a regular projection TV also could be just a defective Lamp make sure Fans are running correctly sometimes they are defective. Call or visit online Encompass Parts 1-800-638-3328

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Durabrand TV picture died. 2 yrs old


hats the shelf life on that tv

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1 Answer

Picture has green tint on startup


Jar-Head, bad news, the picture tube has a mild short in the green cathode, tech can come out and try to restore it but it`s usually a futile attempt on sony tubes, sorry to be the bearer of bad news, BMW Rider

Jan 14, 2008 | Sony KV-32S26 32" TV

1 Answer

Picture faded to black, came back, faded again and had stayed black.


It seems your set has a loose conection in the high voltage circuits,in fact by now it should have many loose conections in different areas like the power supply and the horizontal deflection circuits,if you are familiar with tv service you can use the information as the first step to take,some of the loose conections are hard to see even for the trained technician but the one giving you this problem should not be hard to see,if you are not too familiar with tv service be safe and call for assistance from a servicer a least for an estimate.

Oct 11, 2006 | Mitsubishi CS-40507 40" TV

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