Question about Hitachi 50V500 50 in. HD-Ready LCD Television

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DIY light engine

Hitachi 50x720 rear projection with blue blob

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  • MCAN Apr 30, 2008

    Just as an FYI - I had the same problem and followed the steps suggested by "varian". Unfortunately in my case, Hitachi would not budge and said that my TV was "too old" (purchased 10/2004) for them to provide any assistance. They continue to deny that it is a manufacturing defect.



    I suppose if I had more time I could continue to harrass them until they gave in, but just don't have the energy. Going to buy a Mitsubishi next time.



    Very expensive lesson learned: NEVER BUY HITACHI, THEIR EQUIPMENT IS GARBAGE AND THEY HAVE NO CUSTOMER SERVICE.

  • Becca28 Nov 05, 2008

    I am having the same problem with my Hitachi 62VS69A tv. I have had this tv for not quite 2 years!!!! I have talked to 2 different people from Hitachi customer service. Both of them told me that my tv was too old for any warranty and I would have to buy a new light engine. I found out that the price of a new one is $1,152.72!!!!!! Can you believe this!! This tv is not quite 2 years old. I will NEVER NEVER NEVER buy another Hitachi and I will not recommend Hitachi to anyone I know. In fact I will tell them of the problems that I have been having. So stay away from Hitachi televisions!!!!

  • Anonymous Nov 11, 2008

    I had my tv for almost a year and I had this big red blob in middle of the tv eventually the whole screen turned red. I got a new engine for my tv installed and after 2 years i have a blue blob in the middle of my tv.

  • Anonymous Dec 05, 2008

    I purchased a Hitachi 50V500 LCD TV in Jan of 2004. It now has a bigred circle in the center of the TV. It also developed a blue streakacross the top of the screen. I paid $3,000.00 for it. It is hard tobelieve that a new light engine costs half as much as the TV. I amgoing to call Hitachi tomorrow, thanks to the information I obtained onthis sight. It may be that the cheapest thing to do is buy a cheep noname brand, then if it fails after 4 years, no big deal, you wouldexpect this from a cheep no name brand. I purchased a name brand,thinking it would hold up better - wrong. I will post the results ofmy visit to Sears armed with pictures of my TV screen and printoutsfrom this website and call to Hitachi. I will update you all with the results soon.

  • Anonymous Apr 27, 2009

    I am very disappointed with my Hitachi 50 as well. One month after my warranty and they will no honor a defective light engine. They claims it is 800.00 for a new one when I only paid 1200 for the TV. I agree with all of you about terrible customer service. I will NEVER buy anything from Hitachi again.



    A terrible lesson learned.

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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

Posted on Apr 22, 2008

  • tracy74 May 26, 2011

    exact same problem and exact same negative response, I also will never buy hitachi again!!!

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I called Hitachi I think 3 times and finally they told me to have someone look at it, diagnose it, and then they would send the light engine for free. All I had to pay for was the $250 for the service man to come replace it. Keep on calling Hitachi and maybe you too will also have them send it to you for free. I also would look up the lawsuit that Hitachi has against them in Dallas Texas. Sounds like a lot of people are having trouble with the light engines.

Posted on Dec 15, 2008

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I have a Hitachi 62VS69A Rear Projection TV, and about 5 months ago started to have some Blue Blob appear. Started so small, I hardly noticed it at the top Right of the screen. Not 2 weeks after noticing it, my Bulb Blew out. (TV is 2yrs old) I purchased my TV through REX Audio and was smart enough to purchase an additional 3 yr warranty.

I had my bulb replaced (Took 2 weeks) and turned on the TV to find the Blue Blob had taken over my screen. Another Call to REX and I have a Service Tech coming out on Wed to take a look. However, the customer service gal at REX...when i explained what was going on with my tv...got quiet and said "Sounds like a Light Engine to me...". I thought it strange she could pin point from the sound of it so I asked "Does that happen often?" And her reply was "With your tv, yes."

After getting off the phone, I jumped on Google and found this site and...shes right. Ive written down the info found here just in case this happens again after my Warranty expires, but...I think I may be looking for a new TV!

Sorry you all had to go through this as well, but thank you for the info.

Posted on Oct 16, 2009

I had a light engine problem. I had to pay $50 fro a service call. They determined it was a light engine problem. Hitachi paid for a new light engine, I had to pay $168 for the installation. My TV was over 4 years old. I also live in Canada. Hitachi did not argue that the part was defective.

Posted on Nov 08, 2008

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I had this blue blob appear on my 50V500 one month ago. It started along the right edge and over several weeks got progressively larger. I read the owners manual that suggested color changes means the lamp needs replacement. Called Sears and ordered lamp ($250). Replaced lamp which did nothing, blue blob still appeared.

I found the posts on internet suggesting the light engine was bad with Hitachi providing the part outside of the one year waranty, so I called Hitachi customer relations who told me to call back after technician inspected to verify the light engine was bad. I gave the customer relations agent the model number and the age of my TV. She said that they would need a serial number to verify the correct part.

I called Sears who said a technician could come out in 3 1/2 weeks. This was too long to wait so I called a local Hitachi authorized service technician. He determined that the light engine was indeed bad. This Hitachi service technician called back the Hitachi customer relations agent, who refused to send the remanufactured light engine due too the TV being old (I bought the TV new less than 4.5 yrs. ago ).

After the technician called me to tell the bad news, I called Hitachi customer service agent who confirmed that there computer record now logs me as a out of waranty on the light engine replacement. I asked to talk to the agents supervisor.

This supervisor said that the TV was too old, 3yrs past the waranty expiration, and my TV had not had any prior service problems reported. When I questioned what what time frame was the cutoff time for providing the light engine replacement part. His reply was there wasnt a time limit instead it is replaced on a case by case basis. We went back and forth in a loop conversation for 10 minutes. This supervisor would not give me a person or mailing address to send a complaint or to send a request on the limitation of extended light engine parts replacement. I asked how I could send a letter to request a written explanation. His reply was that he told me the explanation...that the waranty had expired.

May have lost this battle...on to the war!!

Posted on Apr 24, 2008

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Blue blob on screen starting at lower left and creeping up onto center of screen. Longer the TV is on, worse the blob gets.


It is most likly an optical problem with dust or a haze onthe optics or a bulb problem or could be a bad LCD display. If I were youand if you are handy, get a service manual, look at how to disassemble theoptics and light housing, and clean everything first, but NEVER ever sprayanything onto the optics and use just a slightly damped soft cloth, never anypaper product. Or the way the pros recommend is with compressed air, butif it is canned air, be careful, as those things get cold and you can easilydamage something. In a good camera storethey will have a bulb type blower to clean lenses off .

If your problem is with the light engine Hitachi has extended the warranty of theengines out to 3 years. You'll need to contact an authorized Hitachi service center tohave this fixed at no charge.

Mar 14, 2011 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

I have a ultravision 50v500 and it has a blue blob in the middle of screen. I have just changed the bulb with hardly any change in the blob. I also had the light engine changed approx 2 years ago.


That is caused by excess heat possibly due to poor air circulation/blocked filters.
It is damage to the LCD panels. It won't get any better, just worse.
So look for another Blue LCD panel and someone who is experienced to fit it.

Jan 07, 2011 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

Blue light flashing


Possibly the power board or the sustain board has died.
Power board failure does not stop the blue light from working as this is an LED on voltage side of power transformer. The set fails because it has detected a voltage difference in one o0f the other boards that controls the initial starup and convergence. Some transistors and capacitors are also possibly involved. Not a dIY unless you are skilled. Parts $300 labour ?
but about $400
If you are a DIY get a kit from this site, complete with step by step instructions This is an LCD rear projection set.The yellow blob may be from the drivers to the LCD display, dirt or object on the projection mechanism, stain on the mirrors or lamp; bad projection lamp - among others.If you are handy, get inside the set and see if you can observe any of the items mentioned above.


Ploease rate my help++++ Thanks for using FIXYA

Feb 26, 2010 | Televison & Video

1 Answer

Hitachi rear projection LCD with yellow blobs on screen


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.

Dec 01, 2009 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

Hitachi lcd rear projection tv


Hi, thats bad news, you need a light engine, very expensive repair,sorry for the bad news,video-tek

Jan 11, 2009 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

50v500


If you have the "red" blob in the center of the screen or you have "blue" blobs that show up in random areas of the picture then the only repair is to have a technician replace the optical light engine.

Dec 19, 2008 | Hitachi 50V500 50 in. HD-Ready LCD...

2 Answers

Blue Blob on big sceen is growing


Sounds like the light engine is going out.

Feb 13, 2008 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

Red blob


call hitachi services and tell them about it cuz its not the bulb its the engine they should give you some kind of discount

Jan 28, 2008 | Hitachi 50V500 50 in. HD-Ready LCD...

1 Answer

Blue Blob in center of screen


Here is what you need to do...just went through this. Call the Hitachi customer relations department at 800-654-7013. Tell them what the TV is doing and that you have a defective light engine. They will act like they have no idea what you're talking about but will give you some names to some certified dealers in your area. Have a tech come out and once they diagnois the problem, call the customer relations department with Hitachi back and all of a sudden, they will be aware of the problem and will call the dealer directly to confirm that it's the light engine. Once they confirm it with the dealer, they will send a new light engine directly to the dealer at their expense (part cost them around $1500). The dealer will call you to set up a date/time to come out and install it. Our install was $400..worth it to us because we paid $3600 for the 60" set 3 years ago. Once our light engine was replaced,the TV is like brand new.

Please deal only with Hitachi's customer realtions department at the number listed above. Their regular customer service will have you chasing your tail. Also, DO NOT let any dealer tell you that you have to pay for this part once it comes in. Hitachi is replacing it for free..all you pay in for the install. Good Luck!

Dec 11, 2007 | Hitachi 50V500 50 in. HD-Ready LCD...

3 Answers

Hitachi 50v500


To all that are experiencing the blue blob. This is result of poor maintenance. Projectors must be kept clean on all air intakes. This is to help you all understand the failure cause. Usally not worth repairing.

Aug 21, 2007 | Hitachi 50V500 50 in. HD-Ready LCD...

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