I was reading online that you also have recently experienced the "red spot" on your Hitachi LCD Rear Projection TV. I contacted the Hitachi 800-654-7013 Customer Relations Department and they said since our TV is 4 years old they will not send us a new Light Engine at no cost. I was just wondering did you followup with Hitachi and did they offer to send you a new Light Engine no costs? Just curious. We paid $2,826.09 for this piece of ****!
I contacted Hitachi a 2nd time about the red spot and this time around they were EXTREMELY helpful and understanding. Could not have asked for a better way to work out the proplem.
Many thanks to Hitachi for their customer support.
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I have the same tv and the same problem, but my yellow is a cloud around the outside of the screen. My tv was recently moved, and a repair shop told me that sometimes in a move these tvs light engine takes a shock and causes a yellow "band" on the screen. I am hearing that these light engines are not cheap either. Hope this helps you.
I think your TV set combine projection and LCD technology, if you already replaced the lamp, that would have been first suspect on other projection models, It is likely to be LCD or polarizers burning out. This is common on LCD projection technology TVs, and cause colored spots forming on the screen.
THIS IS A VERY COMMON PROBLEM IN BOTH THE 50V500 AND 60V500---IT IS A BAD OPTICAL LIGHT ENGINE---MAJOR PART---WHOLESALES FOR OVER 600 DOLLARS!
IF YOU HAVE AN EXTENDED WARRANTY---GET IT IN FOR REPAIR!
There are already several class action lawsuits in several states concerning this problem in this model.
What happens is the lamp the set uses damages lens etc inside the light engine--the engines are now being sold on an exchange basis and are all rebuilt units---that are supposed to not have the same kind of problem as the early ones.
If this helps you, rate this solution as I do this here for FREE.
Sounds like Calibration is needed on the projection internals. Your TV uses a rear-projection system and the problem is either in the imaging LCD Unit or the light filter. I see in a previous thread you have changed the bulb. You can invest in a voltage regulator to keep the hardware in factory condition.
Also you can burn a DVD of a stuck pixel remedy video and run it on the screen with full brightness and full contrast. This is used for plasma burns and stuck pixels on conventional Flat panel TVs but can repair color issues with projection systems. This therapy is focused on the imaging unit between the projector and the main drop of your tv.
please feel free to post a more in-depth description or any changes
Unfortunately if you're not a technician Hitachi won't even consider sending you a LE for install... They will confirm your status and have you fill-out several documents.
As to the other part of the question, the service manual won't help - there is a procedure for memory re-initializing and after performing that you still have the spot then LE is called for.. But again, unless you're a tech with those letters behind your name Hitachi won't accept the results.
That said, we have done several of these and Hitachi has been exceptional to deal with pre and post install.
Hope this helps!
William Rayburn, CET
PO Box 442
Long Beach, WA. 98631
We had the same problem and the infamous "red cloud" is a light engine defect and Hitachi knows about it. After calling Hitachis Customer Relations Department (not customer service) they referred us to a local Hitachi dealer that diagnosed the problem in less than a minute as a "light engine defect". We called Hitachi back and once they confirmed this with the dealer, they shipped the part to the dealer and the tech came out and installed it...looks like brand new TV. Here's the deal though, when you first call Hitachi, they will act like they've never heard of the problem until you have theTV looked at. They will pay for the part...$1500 but they will ask you to pay the install. Our install was $400...worth it to us on a $3600 TV. Be sure and call the Hitachi customer relations department and not regular customer service...you will get no where with them. The Customer Relations Department # is 800-654-7013. Good Luck!