Question about Hitachi 50VS69 50" Projection HDTV

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Hitachi 50 in 50vs69a

Put in a new lamp and now we have a pink spot in the middle of scree'husband took lamp out put it bavk in now have blue spot middle of screen HELPPPPPP hockey starts soon

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  • BlackcatMom1 Oct 19, 2008

    I have the Hitaci 50vs69a. It has developed a blue steak on one side and a circle of blue dots in the middle of the screen. The picture is still there but in those sections it has a blue color... Help!!!

  • ehoestsade Oct 19, 2008

    i have the same model and have developed a blue spot in the top center had it about 1 1/2 years come on!! help!!!!

  • jerwilso Oct 29, 2008

    i have the same blue ghost over my left side. did anyone get help for this yet. I had my 50sv69a for 1 1/2 years too

  • ih8jocks1692 Nov 10, 2008

    i replaced the lamp (not even a year old!!!) now i have a blue dot over most of my tv!!!!! help

  • Anonymous Nov 30, 2008

    Same thing, blue circle on the middle

  • Anonymous Dec 24, 2008

    hgcvjl

  • hbrewton Feb 22, 2009

    Same thing as everyone else...replaced bulb after 1 year of ownership and now a blue blob in the left middle side of screen. Very irritating.

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Blue screen on mine too.had the serve guy come out and he told me it was" the engine".
also the clock won't remember time after i turn it off,or the input names i gave.he said it was a circuit board problem that keeps resetting itself.
fortunately for me he said i would get a new one from the extended warranty.
just so you know the pic in pic doesnt work either because the second picyure has to be digital.my old tv ,s pic in pic works fine.new technology isn,t always the best.i hope i get an in store credit so i can buy another brand.remember 1080p is better!

Posted on Dec 03, 2008

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Posted on Jan 02, 2017

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2 Answers

I just recently changed my lamp in my hitachi 50 VF 820 and the screen has a large blue spot on it. I have done it before once or twice and all went well. Did I possibly put the bulb in incorrectly or is...


No. If the set turns on and you have a picture, the lamp is installed properly. Most of the time the optical block is the issue. The lamp shines directly into it. If the picture was good before the lamp was replaced, it is possible that that replacing the lamp might have dislodged some micro dust build up internal to the optical block and it landed in a concentrated area causing the red and green lcd panels not to pass light through as bright as the blue giving you a blue spot. Unfortunately the optical blocks are not designed to be taken apart to clean. Replacing the optical blocks are expensive. Most costing in the area of $700.00 to $1200.00 for the part. It also is a major tear down to get to the optical block to replace it. Once upon a time Hitachi had a couple of recalls on their optical blocks for various models. I do not know however if this qualified.
I hope this helps,
Skyassoc

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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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A pink spot in middle of the screen


http://www.complaintsboard.com/complaints/light-engine-problem-c66320.html

CHECK THIS SITE OUT----YOU have a bad light engine damaged by heat from the lamp.


It is the only thing that can cause this problem in this LCD rear projection set and lots of other people have the same troubles.


I do not like giving bad news but this is what it has to be.

If this information or the information at the above link told you something you did not know, rate this solution as very helpful as I do this here for free.

REGARDS, SD TECH

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Hi , it seems you are experimenting a light engine problem.Here's how your tv works: http://www.youtube.com/watch?v=ZLLHnQ4y-wo Basically there's 3 LCD chips that create the colors and image by blending together.When these chips start to melt you will get those blue spots, pixilation even vertical lines.You will need to replace the light engine. Have a blessed one!

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1 Answer

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If you Google "60v500a light engine" you will learn a few things about this set which was first sold in 2003.

There are some class action lawsuits out there for several Hitachi models made at about the same time.

Most of the time these sets develop a discolored area fairly large in the middle of the screen---a lot of them had a large red or pink oval area but other colors are possible.

This set uses a LAMP for the light source and it directs the light into the optical light engine--at the top of the engine is a 3 inch lens that the picture comes out of and is directed into the mirror which puts it on the screen.

Lots of these sets develop a "burn" inside the engine from the heat--there are a series of lens and baffles inside---even slight separation inside will change the color in some area of the picture.

I am sorry to give you bad news but I have replaced a lot of these engines under extended and when they were new mfg. warranty.

The part is no longer available from Hitachi new--the only way to get one is to remove the one in the set and have it sent out for "rebuild" and the last time I saw one the engine was over 600 dollars at the wholesale level not counting the fact that it is major labor to replace.

Find someone in your area familiar with Hitachi and this model and you will see what I am talking about.

Even though this is not good news, I think it is what your problem is.

If this helps you, rate this solution as I do this here for FREE.

SD TECH

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1 Answer

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Hello :
I suggest u retrace you the steps u took to replace your lamp make sure no foriegn objects got on the prism where the light shines throung the optics engine, if you remove the lamp compartment througly. If you had a perfect picture prior to replacing the lamp, then retracing your steps you might find something that does not belone. One final note: Did you purchase the right lamp 120watts anything higher than this wattage could damage your optics engine. I suggest never vacuuming the compartment because particals fly around from the suction and could get on the glass of the color wheel asembly.

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1 Answer

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I just had the same problem with my Panasonic 52' A serviceman came and up date some info inside the set, took out the blue and red spots. it was covered under warrienty. TV is 3 yrs old. Try to call your local service center, that what I did. Hope this helps.

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