Question about Hitachi 53UDX10B 53" Rear Projection Television

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Tv is dusty on the inside can the bulbs be cleaned.

I blew all the dust out but can i clean the bulbs.

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You can only wipe the exposed surfaces of the lamps. And i recommend a soft dry cloth. Do not go crazy here since in the end as long as there is no heavy coating it will not affect the image  

Posted on Feb 27, 2009

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While replacing the lamp assembly is it better to replace the filter at the same time


Replacement might be a good idea, depending on the condition of the filter. The filter is there to keep dust out. Manny of the filters you can just clean with soap and water.

It is essential to keep the filter unclogged to allow air to circulate through the tv chassis to not only keep the electronics cooler, but also to keep your bulb running cooler and prolonging the life of the bulb.

That said, you should gently vacuum out the dust inside your tv that you can reach (tv unplugged) and make sure the fans are clean as well. I have used a soft paintbrush and vacuum to help clean out the insides of a TV filled with dust/dirt.

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If you can clean it and it comes off I would do it. This haze is caused by the extra heat the bulb was putting out before it blew. Make sure you blow/clean out all the dust you can. These TV's have a air intake filter also I believe. The more you can keep the filter clean and the Light Engine the better.
Blessings,
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heat and dust are two major problems with this type of set.These set can get very dusty inside the optics and cause this type of discoloration .Heat can cause deteriation on optics and or optics cabinet parts .It is possible to clean the optics block for dust issues only but unless you know what your doing and know what areas not to touch inside optics block .Otherwise the block would have to be replaced..

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Sounds like the Bulb is almost out of life or a dustball or something is moving around inside the light compartment. Look in the instruction or user manual on replaceing bulb or opening bulb compartment or call Mits. for a service center in your area. Good Luck

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