Question about Hitachi 42V715 Rear Projection Television

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Hitachi 42V515 LCD TV

Large yellow spot in the middle. Do I need a new lamp. 3 years old

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Mine did the same thing 3 times now. Each time the tech put in a new Light Engine (not a lamp). At least it was under an extended coverage.

Posted on Jan 14, 2009

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Its either the lamp or the colorwheel you need to replace.most likely the lamp

Posted on Sep 12, 2008

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Ok turn the tv of for 40 minutes by the power point and back on that way it will reset all picture - and should go back to normal please let me now how this goes's

Make sure you un plugged it by the power point

Posted on Sep 12, 2008

  • reminder has to be off un plugged for at lease 30 minutes as the minimum time to reset but i recommend 40 minutes

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1 Answer

Change lamp in hitachi 42v515


the lamp ,unit price is USD120
any questions, feel free to contact me
We supply original projector lamp,bulb,accessories,Lcd panel,Lens,DMD chip,color wheel,motherboard,powersupply,ballast... with high quality and competitive price.
have a nice day!
Jerry,Lampdeng Limited

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A large yellow circle like a donut in the middle of the screne


the lcd panel was broken, you need a new one ,USD100

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Picture has a red tint what is causung it replaced the blub 6 months ago


the lcd panel was broken, you need a new one , USD100

We supply original projector parts: lamp, bulb, Lcd panel, Lens, DMD chip, color wheel,
motherboard, powersupply ... with high quality and competitive price.
any questions, feel free to contact me
have a nice day!
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Go to the place you bought it from and ask them, to me it sounds like your color wheel is going.

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My Hitachi 60VG825 projection TV is 3 years old. For the past several months the screen has been turning blue around the outer edges & this past week a large yellowish green spot the size of a...


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.
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you most likely have a bad light engine.

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it is actually a light engine problem, i have replaced probabily 50 of thease for that exact problem, it is a prity hard part to change yourself, and it costs about 400 dollars

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2 Answers

Yellow spot


Good Day, dv28;
No, the lamp will not correct this. The TV has a bad light engine, it's very common for this TV and very expensive. Call the manufacture and try to get a concession for the part. They normally give it about 75% of the time.
Good Luck, big IRISH.

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bad light engine? what does this mean? how can I fix it? price?

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