Question about Hitachi 42V710 42" Rear Projection HDTV

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Greenish picture I've had a Hitachi 42" LCD for about 3 years. The bulb went a few months ago, they sent me a new one, I replaced it, it worked fine. Now, lately, there is a greenish hue over the entire screen. Sometimes, it's hard to notice it (High Def), but between commercials when the screen is black, or when it's a dark scene, its really obvious. Is there anything I can do, or does a tech have to come and fix it?

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  • Anonymous Feb 24, 2008

    green tint to screen after replacing the bulb about six months ago.

  • Anonymous Jan 03, 2009

    Exact same problem with mine after I changed the bulb.

  • Anonymous Apr 03, 2009

    the whole screen except the far edges has this greenish color over the entire screen

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Sounds like you might have a defective optical engine or at least it is internally dirty. would recommend that you have a qualified service tech look at it. if the quote is very high than you might want to just live with it.

Posted on Feb 20, 2008

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I have bought the biggest lemon in this tv than ive ever seen before..shortly after buying it, i had green swirly lines throughout the whole picture...had 2 repair guys out here,1 replaced the "mother...


Lamps have a limited life. They useually last 1000 hours or so. If the TV is on from 07:00 until say 23:00 every day, that equates to 60 days.
There is no such lamp as a "One time replacement lamp" as they do not last for ever.
The average life of a lamp is just about 6 months.
If the picture is cloudy is probably needs the optice cleaning. It is very fiddly and damage can occur easily so get an authorised Hitachi repair service department to clean it for you. It should be carried out in your home and will take less than an hour. If anything gets broken, it is not your problem if they are heavy handed.

Hope that helps.

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OK...Did you replace the lamp with a Sony original? If you did, then carefully check that the door is closed properly.

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Contrary to popular belief, any display product can have "Image Retention" and even "Burn-In". This is true for Plasma, LCD, LCOS, DLP, and CRT. I do not see a model number provided, but I would bet that you have an LCD rear projection TV rather than a DLP projection TV. If this is the case, the Blueish and Greenish blotches you are seeing on the screen are the result of UV light damage. UV light will move heavily damage the Blue panel, due it's short wave length. So, bad Blue or Green (absence or Blue) is typically the the first visual indicator of a problem. Replacing the Light Engine will resolve the problem.

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1 Answer

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There is no solution with Hitachi products.

If you have read many of the posts, you would have known not to buy Hitachi Telivisions or like me avoid all Hitachi products. There help line is not very useful, they just blow you off. I have never had a worse experience with other manufacturers. Take Onkyo for instance, they had a problem with a chip in their THX receiver and it was a year later ... I called their help line they located a repair store about 40 miles from where I live (in Texas that is not very long) and got my receiver fixed and this was 8 years ago.

Also use Consumer Reports to check the frequency of repair record for the product you are going to buy. In Plasma - Panasonic is a safe brand, in LCD's Sony or Samsung have good repair records.

Research the product before you buy it, avoid walking into a store have the salesperson direct you to a product. And then you save money if you order it online. Amazon online is very good.

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