Question about Hitachi 50V715 50" Rear Projection HDTV-Ready Television

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Hitachi 50V715 have a problem with yellow ghosting, several yellow shadows in a circle, very noticeable with white background. changed lamp no changes. HELP!!!

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Re: Hitachi 50V715

This sounds like your light engine is going out. NOT GOOD! It all depends when you bought your set and if its under warranty. I had the same thing with mine bought is 2004, light engine died in 12/08 and was out of warranty. Talked to the rep. said they knew about the problem. They replaced my light engine for free but I had to have a authorized dealer install it . I had to pay for the labor $300, Now I've got another problem with it shutting down and back on.(That's another story.) I would call Hitachi and let them know that you know they have problems with this. Keep trying they may replace your to. To buy one out right is $400 to $500 plus labor, some folks have paid $800 to $1400 , That's a shame. Hope this is helpful. GOOD LUCK!!

Posted on Oct 23, 2009

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50v715 hitachi..the tv was on doing fine then it went off and the 2 red lights blink. What can i do to fix it?

If is the lamp and temp light on the front panel, then it could be that the bulb (lamp) needs to be replaced. Make sure you buy an original replacement lamp (phillips) they are supposed to last longer. There are also videos on you-tube that show you how to replace the lamp. Hopw this is helpful.

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The Optical Engine needs to be replaced. Due to the cost of the repair, I recommend you to call Hitachi at 1800-HITACHI to see if they could help with repairs and also refer a Service Facility to you to confirm the symptom.
I hope this helps,

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1 Answer

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Pull back off and try to to see if there is anything arcing or where the popping noise is coming from. It could be the ballast board. This is the high voltage for the lamp. A arc(snap) would come through the audio. BE VERY CAUTIOUS IN THIS AREA BECAUSE OF HIGH VOLTAGE!!! Always unplug the set when pulling off wires or have your hand inside the set. Unless you are taking voltage checks and have a little electronics background. Hope this is helpful....

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1 Answer

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spherical or oval shaped light starting in the center of your picture is an indication of an led backlit tv.. probably a hitachi. solution, replace light no garuntees not with led backlit sets.. was bad idea to begin with. when the leds start going they start at the center and branch out.

Apr 13, 2009 | Hitachi 50V715 50" Rear Projection...

1 Answer

Red circle and yellow tint in our white

If you have RED color that starts from Center of the Screen,(no red color on sides ) 100 % your light engine is deffective..
In order to solve this issue Replace Light Engine Control Board (also called Driver Board ) attached to light engine.

Good Luck

Do not forget to Rate!!


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it might be scorch mark starting from the bulbs heat or someone placed a magnet close to machine that gives the same impression

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Check you cable box compared to another tv.  The pisture may need adjusting take off front panle and use the screws to adjust pic  it could get better of worst be carefull

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