Saturday, October 5, 2013

How to clean the 3 lenses on my projection TV ?

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flarnt


I have an older 65 inch Hitaci TV (65F59) . The picture has been getting darker over the years with the bright up now to 100%. I assume it's due to dust on the 3 projecter lights inside. I plan to one day take TV apart then clean the dust, dirt, etc.

Does anyone know what to use, how to do it or a link to a website who specializes in big TV's

Thanks



Answer
How old is it?

Rear projection TVs also lose color. I had a 40' rear projection Mitsubishi for 25 years, picture was getting darker and the green beam was fading. $50 for house call, he boosted the green beam and told me that you are better off buying a new LCD, LED or Plasma than spending any more - average life of rear projection is 10-12 years.

Phone an authorized Hitachi TV repair place and talk to a tech. These people have probably dealt with problems like this a lot of times and they could give you what the problem is. Dimming picture likely means dimming lights. They can also let you know about $$$$$ for changing the 3 beams.

It will likely be cheaper to buy a new LCD TV. The new TVs are much easier on the eyes with super sharp print and vibrant colors.

When I purchaaed my 42" LG HD TV I had only wished I bought it much sooner (except I was waiting for prices to come down)

What should I consider when buying a TV for PC gaming?




J


This is for my new man-cave. Make it count!

I know it has to be 1080p and probably LED .. but other than that what features should I look for?



Answer
Size. Sounds obvious but it's slightly different than picking a size for normal tv. The text on PCs is quite small so you will want a bigger tv. I know you can change the text size on the computer, but that makes things cramped. I have a gaming PC connected to a 50 inch TV sitting 2.5 metres away and I have to lean forward and strain my eyes to read text at 150% DPI. Depending on the size of your man cave, I'd recommend at least 60 inches.
Another thing is the frame rate (Measured in Hertz for TVs). Most TVs don't go higher than 60Hz because films are usually at 23fps with the occasional film at 60fps. TV is also broadcasted at 23fps. PCs on the other hand go as high as the GPU allows. Most PC screens will go at at least 100Hz. Games usually run at 60fps and many can get up to 120fps on high end PCs. So your TV should really be at least 100Hz.
Also, not really a problem now, but you should make sure the TV has the right plugs. Almost all TVs will have around 4 HDMI jacks, a VGA jack, and a Component jack. Sometimes DVI as well. Chances are your PC has HDMI but better safe than sorry.




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