Question about Hitachi 42V710 42" Rear Projection HDTV

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Have yellow spot in center of screeen

Have owned TV over 3 years.I havea Hitachi 42V715. Replaced lamp on 3/25/08. Yellow spot turns white lettering yellow and changes purple to green. Is this a lamp problem or something different?

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  • Keith Mar 28, 2009

    We have the same problem with our 42 in V710. It's in repair right now and yesterday they said it would cost $800.00 to fix. We took an extended warranty out for 3years at REX. Bought in 7/05. They said too bad -now out of warranty. Repair service says they have had same issues with many of the Hitachi's. Can we repair it ourselves? Is $800.00 way too much? We don't have money anyways, husband been layed off since 10/08. We already had to pay $150.00 to pick it up and diagnosis.

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  • 133 Answers

It is actually a light engine problem, i have replaced probabily 50 of thease for that exact problem, it is a prity hard part to change yourself, and it costs about 400 dollars

Posted on Jan 09, 2009

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Yellow to green tent screen to hitachi tv 42v715


You have some reason to believe it will not?

Some history for you---several years ago Hitachi began along with others to have issues with the optical light engines.

With a mix of high heat from a lamp into the engine (it has a blue,green and red section inside---guess what? BLUE is the first place that gets the heat and is damaged----minus blue and you have red and green which equals YELLOW.

Several of their sets made about 6 years ago (research 50v500) had exact same issues and were settled in a class action lawsuit.

The issue can but does not always affect the entire screen.

The question really is: This set really worth the part and labor cost for the repair?

On that earlier model I replaced under warranty over 40 of the engines. Also Sony and others have had similar issues some of which were settled in court.

HOPE IT WORKS OUT FOR YOU.

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ok turn the tv of for 40 minutes by the power point and back on that way it will reset all picture - and should go back to normal please let me now how this goes's

Make sure you un plugged it by the power point

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1 Answer

Grenn yellow tent


the color filters are burned from heat there are three small glass filters one is red one is blue and one s green They are in the light engine.I know I have the same tv and the same problem.you have to take the light engine apart or you could replace the light engine.a lot of plugs and screws to take out just to change three colored glass plates

Feb 18, 2010 | Hitachi 42V715 Rear Projection Television

4 Answers

Yellow spots


I have been told by a local repair person that Hitachi might replace the light engine at no cost because it is such a big issue... has anyone hear about this... I am going to contact them directly also.

Sep 08, 2009 | Hitachi 42V710 42" Rear Projection HDTV

1 Answer

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you most likely have a bad light engine.

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1 Answer

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That is a defective light engine and would cost more to fix than to replace..Sorry to hear the bad news. This comin from a former Circuit City TV technician.

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1 Answer

Blue shadows appear to be behind white objects


TV shows large red spot in middle of tv when dark show are on, you can see it more.  Now blue spots on upper right side too.  Spend way to much on this tv to have these kinds of problems only after 3 yrs.

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2 Answers

Yellow spot in center of screen


I have recently developed the same yellow spot problem on my Sony KDF-E50A10  50" LCD television...a large yellow circular hue that takes up the bottom center of the picture and is especially noticeable against a white background.  It has been diagnosed as the optical block (light engine) and without an extended warranty Sony refuses to assist with the repair cost.  Repair was estimated at $1,100 plus tax and travel fees to my home.  So you see, it is not only a Hitachi problem.  You would think they could build something that would last more than two years considering the initial cost of over two grand for the TV !

Jan 03, 2008 | Hitachi 50V710 50" Rear Projection...

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Color problems at top and bottom of screen


Repair Kit for Hitachi convergence Chassis DP-14G
KIT10 Includes 2 pcs STK392-150 , 1 each of the following 1W axial lead fusible resistors:
http://www.eserviceinfo.com/
http://www.digitalhome.ca/forum/search.php
http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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