Question about Hitachi 50V720 Television

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Blue haze in center of screen yellowish circle

I have the blue haze problem,and with a white background a half circle of yellowish tint. its a hitachi 50V720 50 in. manual says that there is a optic filter. I have replaced a burned bulb and could not find the filter. is there one ? dust is a problem in our location .

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Hi you see alot of these types of tellys with your problem or similar problem and they all lead to the same fault i dont think the problem will be the optic filter the problem is more likely going to be the convergence ic it is best to replace both of them as replacing one usually means youll come across problems with the other sooner or later getting these replaced will put your telly back how it was and youll find that you wont have this problem again for a good while.
Most tv repair shops will have ample experiance in this fault and if you ask them they will tell you the same as i have.
Now if you have the equipment to do this repair yourself then you will need to get the schematics for your telly and any part numbers youll need.
It is also worth checking any resistors as well as often these will go when the convergence ic go this will need testing and replace any as needed.
If you are going to get someone else to do the repair then the cheapest way is for you to take the telly to them as you will get charged for call out and for transporting your telly so to avoid this unecessary charge take it their yourself.
Let me know if you need further assistance ok

Posted on Jan 15, 2008

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