Question about Hitachi 50V500 50 in. HD-Ready LCD Television

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Hitachi lcd rear projection tv

Screen has a blue blob through the center appears to come and go

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  • 150 Answers

Hi, thats bad news, you need a light engine, very expensive repair,sorry for the bad news,video-tek

Posted on Feb 11, 2009

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Posted on Jan 02, 2017

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1 Answer

Blue haze/blob near the center and lower right corner.


Failing optical block. check this website
http://sites.google.com/site/sonylcdrptvproblems/sonykdf-55wf655opticalblockreplacement

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Left half of picture has a green ghost like shade


The sounds like the light engine is bad. Sony is notorious for blobs because of the three LCD chip inside consisting of a red, green, and blue chip. The light from the lamp is reflected and then combined back together to form a brilliant picture. Unfortunately one of the chips is bad, or has melted due to extreme heat from the lamps. This can cause the color blobs on the screen. A lot of people experience blue or green blobs in the center or on the sides of their sets.

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you most likely have a bad light engine.

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Hi, the convergence chips on the board are showing signs of failure. simply replacing the board will fix this issue.(convergence board failure)

May 14, 2009 | Hitachi Televison & Video

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I have a blue oval hue in the middle of my screen, how to fix?


This problem is known as a defective Light Engine. The cost is usually 800.00 plus.

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1 Answer

Blue blob on projection tv screen


CALL HITACHI THEY MIGHT HELP WITH REPAIR, HAS A BAD OPTIC BLOCK.

Apr 18, 2009 | Hitachi Televison & Video

1 Answer

Blue blob on screen


Took the TV to the shop...there I learned that the obtical engine assambly has been a pain on this type of TV. The repairer suggested on calling the company and to compliant about it, since there seems to be a known problem with that assambly. The company will send the part ($900.00 cost) to the shop and all I have to pay is for the remove and instalation of the assambly.

Jan 05, 2009 | Hitachi Televison & Video

1 Answer

50v500


If you have the "red" blob in the center of the screen or you have "blue" blobs that show up in random areas of the picture then the only repair is to have a technician replace the optical light engine.

Dec 19, 2008 | Hitachi 50V500 50 in. HD-Ready LCD...

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