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Projection tv - Hitachi

This is an Hitachi Ultravision, 10 years old. There is a half circle, blue and yellow streak starting in the upper left and swooping down to the center (about 8inches) then back up to the right. The streak is about 10 inches wide at the left side and ends in a point at the upper right corner of the screen.

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Sounds like you need to do convergence.

Posted on Feb 21, 2008

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BIG YELLOW CIRCLE WITH A BLUE OUTER CIRLCLE HOW TO SOLVE THIS IN MY HITACHI ULTRAVISION MODEL 50VS69A


Sounds lke a light engine problem. An internal lens may have broken or come loose.

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Hitachi 1080 ultravision tv.its run for half a second and then shuts down and has blue flashers for 3 times.


This sounds like a capacitor failure. Something that is all too common in the last 10 or so years. A good repair shop can probably fix this for $100 to $150. It's up to you if you think it's worth it or not.

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Have a blue streak down middle of screen. all


I have exact problem. Is anybody know how to fix it? tv is 4 years old

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Near the top of the tv the objects are double exposed with in blue and yellow color.At the top of the tv in a light color you can see a faint color of yellow and blue that sort of swoops down like a...


Hi,it seems you are experimenting a light engine problem.This is how your tv works: http://www.youtube.com/watch?v=ZLLHnQ4y-wo So basically the 3 Lcd chips that create the colors and image is going bad and thats why you get that color discoloration.Contact Hitachi or look for your light engine online.God bless you and your house!

Nov 25, 2009 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

We have a hitachi ultravision digital hdtv which is about 6 years old and we have yellow blotches on the left side of the screen. How can we correct the problem???


Unfortunately this is not a repair for the do it yourself. it requires the replacement of the optics block or sometimes called the light engine. The part number needed is UX25302 and runs over $800 dollars. I would suggest having a technician do the repair for you since it is a very complex set to tear down and replace the optics block. Please take a moment to rate my answer. Thanks..

Nov 24, 2009 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

Hitachi UltraVision has blue streak on right side of screen.


convergent systems.. I callled Hitachi....

it cost $600 to relpace the part... all 3 colors red yellow blue,.... tech took the part out and will replace it in about 3 or 4 days.

I was told by technician that it was a very very good tV in fact he said he would buy it from me for $300 and take it away.. I am considering that ... but a new one with Picture in picuture will be 2000 or more

Apr 06, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

Blue Streak


I had the same problem w/ the same TV about 6 months ago. You need a new optical engine. Hopefully you are still under warranty. Once that was replaced, the tv looks great.

Dec 26, 2007 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

Blue/Yellow in upper left corner


I have the same problem and now there is convergence problem with the entire screen, double images and ghosting ...i was told that some IC's are burned our ...etc..i'm waiting to see if they sell the entire board since the TV's are 10 years old... will let U know what i get as a response.

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Picture Problems


the unit needs new conv ic's. they are part no stk392-180 need two.Also you might need 2 2.7 ohm resistors with minimal soldering skills,you should be able to repair unit

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