Question about Hitachi UltraVision CineForm 55VG825 55" HDTV

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I put in a new lamp but the red is gone.

What is wrong? Is it the "color generator filter block"?

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Http://www.retrevo.com/support/Hitachi-55VG825-TVs-manual/id/372ag019/t/2/
http://www.fixdevice.com/smanuals/file/36466.html
Please use this service manual and user manual to troubleshoot your issue.
Often, the problem isn't the lamp, but the drive or power supply to it. Use the troubleshooting procedures to check.

Posted on May 26, 2010

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1 Answer

Put new lamp in 12hrs later red light was on lamp had black around it why


new lamp may have gone bad. was this the recommended lamp for the unit. Most Mitsubishi units must have the correct manufacturer recommended lamp installed.

The correct part# for this unit is 915B403001

You may find that lamp at the following web site:

http://www.shopjimmy.com/catalogsearch/result/?q=915b403001

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I bought a new Sony xl5100 lamp. Delicately and accurately replaced the old lamp with the new one. Installed the lamp and housing correctly. Closed the lamp access doors correctly. Turned on TV...red light...


1,Check the fans ,whether each fan is running,when you turn on the projector
2,if the fans run, then ,check the lamp or lamp ballast


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I have a HDTV DLP TV HLT6187SAX/XAA I have problem with the color, now all in green, red and yellow. the blue was gone. I want to know is that the problem from the lamp or the bulb?


He is talking about the HLT6187SAX/XAA which is an LED model not the HL-T6187S model which has a lamp unless he gave the wrong model number in the original post.

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I have a KDF-E42A10 - with a bad optical block. I also have the red light on the front indicating a failing lamp. So, in order to get the replacement deal from Sony - I need to take a picture of my...


Like any projector, enclosed in a cabinet or not, it has a lamp and/or filter hour counter. Did you reset these when you put in the new lamp? Also, did you replace/clean filter. VERY IMPORTANT.

Nov 24, 2010 | Sony Grand WEGA KDF-42WE655 42" Rear...

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Green screen


inside the light engine there is a red a green and a blue glass color filter.The heat from the lamp causes the color to burn off the glass.You need new filters .One is red one is blue and one is green.The lcd itself doesnt make the color,it is a black and white device.The colr comes from light shining through colored glass

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Themescene rd 50 wont turn on and red lights on


this will fix your problem. take out lamp and put it in your freezer for 5 minutes. reinstall and when unit comes on, go into menu and select lampsetting and reset lamp to zero hours. also if you have an air filter, take that out shake clean and put back in

Nov 09, 2009 | Televison & Video

1 Answer

Color on tv cannot be adjusted. too much red. lamp has already been replaced.


A discolored Blob, loss of one color or blotchy pattern usually in the center of the screen. The problem is becoming all too common with Hitachi projection sets. What happens is that one of the lenses in the optical block (or light engine) starts to burn or discolor due to overheating because of a blocked air filter causing poor air (cooling) circulation. Nothing can be done when the damage is too far-gone except to replace the light engine-at a cost that makes it not worth repair. if the damage is minimal than to reduce further damage, the air filter should be replaced. The Light engine needs to be removed in order to replace the air filter. Be sure to vote/rate me if this helped Thanks!
Also see link:
http://fyshere.blogspot.com/search/label/Hitachi%2050V500%2050%20in.%20HDTV-Ready%20LCD%20Television

Oct 23, 2009 | Hitachi 50V500 50 in. HD-Ready LCD...

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Epson 76C projector that the picture has no red color to it. I have tried the adjustments as described in the manual but no success. The blue and green is great but no red? Thank you.


Youve probably got something gone wrong with your dlp chip with the million mirrors on it, see when the mirror tilts away from the light you get a black shade- tilted toward light lighter shade now throw the color wheel in which gives you color youve got green and blue so the color wheel is fine. Now how to replace chip? Dont. Look for a digital board or video board replace that and that should take care of ya. Good luck hope this helped ya-

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I have a Sony Grand WEGA KDF-42WE655 60 inch Rear Projection TV with what looks like a huge fried egg shape in middle of picture screen in what appears to be yellow. Is this part of the problem with the...


Both of these answers are incorrect but the first one is very close. When the lamp door warps, the picture keeps proper color but looses brightness. The second answer is just completly wrong. This set does not have a color wheel.
This set needs a new optical block and cleanning. The picture will be good as new with that. The Sony tv's are not DLP, a Texas instrument chip technology. A Digital light processor has a lamp, a color wheel and a optical chip that works together to produce the picture. A Sony has a lamp but uses a combination of mirrors and light filters to send the lamps light through 3 LCD's. The LCD's are about in inch in size for each color red, green and blue. They have millions of tiny mirrors inside to make up the picture. This method creates a better black in the video and eliminates the rainbow effect, better than a DLP but makes the LCD's work harder and heat up more because of location to the lamp. the most common problem is the blue (The closest to the lamp) starts to loose its ability to pass light so the picture gets blotches of brown/yellow because the blue is missing or reduced. The light filters collect dust and because the light is so bright when it passes though, it actuly burns the image of the dust into the filter. A home that is dusty and people smoke in will ruin one of these sets in 1,000 hours of use. A clean smoke free home will see over 4,000 but this was a problem with design and is most likely to happen again and again. Hope this help and good luck.

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