I had the blue blotch of a bad light engine in my 60" Hitachi dlp set. It was under warranty, so they replaced it. The replacement fixed the blue blotch, but the picture is out of focus (badly in the lower right - very noticeable when text is on the screen), and anytime there is a crawl on the bottom (such as CNN, ESPN, etc), half of it is cut off. The repairman said that these are 'sealed systems' and cannot be adjusted. Is this true? I remember a previous set I owned (rear projection Hitachi) that had a 'convergence' setting that you could adjust for this type of thing. They said they would have to replace the light engine again. Does the repairman's statement make sense? How could these sets not have any technical adjustments?
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Re: problem with replaced light engine
NO NO NO.... Look just make them fix it or get your money back, or a NEW set. That is NOT acceptable, in any way. It MUST be returned to an acceptable standard or the goods are simply "Un-merchantable" and you need to go to consumers protection. DO NOT accept treatment like this. If it is under warranty GET A NEW SET, Or kick up blue murder. I have been doing this for over 35 years and have NEVER heard such ROT! Do NOT take any "Excuses" Remember the Customer is always right.
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SET uses a optical light engine--lamp which is quite hot shines into the engine---blue is first to get the light and heat and is usually first area in the lens and baffles to get damaged(loss of blue leaves red and green which equal a yellow screen.
It will cost you probably in the area of $700.00 to replace the Light Engine. I don't think it would be a good idea to repair it. DLP sets have been out of production a few years now due to high failure rates of the light engines for all makes and models and the consumer cost for the lamp.
Contrary to popular belief, any display product can have "Image Retention" and even "Burn-In". This is true for Plasma, LCD, LCOS, DLP, and CRT. I do not see a model number provided, but I would bet that you have an LCD rear projection TV rather than a DLP projection TV. If this is the case, the Blueish and Greenish blotches you are seeing on the screen are the result of UV light damage. UV light will move heavily damage the Blue panel, due it's short wave length. So, bad Blue or Green (absence or Blue) is typically the the first visual indicator of a problem. Replacing the Light Engine will resolve the problem.
You need to contact Sony on this one. They have had a series of defective light engines in their DLP sets and this is one of those models. They will undoubtedly instruct you to take it to an authorized service center. However, if, as in our area, there is not an authorized servicer they will give a special autorization to a qualified shop as they did in our case. We have seen several of these.
The bad light engine is typically characterized by color blotches and color speckles on the screen. The bad units we have have (not coincidentally, me thinks) have all had problems with the blue.
The customer service line is 1-800-282-2848. Remember that you always catch more flies with honey than you do with vinegar. You are trying to get them to pay for something that they are not under any obligation to. Be firm if necessary, but be kind. They should help you out.
You have a defective light engine and you do not have to be under warranty for Hitachi to replace this part. We just went through this and here's what you need to do. Call Hitachi's customer relations department at 800-654-7013 and tell them that you have a defective light engine. They will act like they've never heard of this problem but they have. They will give you the names of some certified dealers in your area to call. Once a tech comes out and confirms that it's the light engine, call Hitachi back and they will send a brand new light engine to the dealer and Hitachi will cover the cost of the part (cost $1500).
Here is the deal, if you're under warranty, Hitachi will cover the part and the install. If you're not under warranty, all you pay is the install. Our install cost $400. Others on this site have paid $200. Do not let anyone tell you that you have to pay for the light engine part...you do not. Hitachi has not recalled this part but they are replacing it for free. Also, deal only with Hitachi customer realations number that I listed. Good Luck!
Uh Oh! blue screen of death. Your light engine
has warped a little from overheating and is distorting the picture.
My suggestion to you is to get on the phone with hitachi and start
complaining, then keep complaining until they agree to pay for it. You
may have to get the problem diagnosed by a pro before they agree to pay
for it though.
Hope ya fix it!