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

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Red blob I have the red blob and from reading this it looks like i need a new light engine also. But i did not buy this t.v. brand new. I wonder if that matters? Do you thin k they will replace the light engine for me and i just have to pay the install fee? thanks

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

Posted on Feb 06, 2008

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Posted on Jan 02, 2017

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Left half of picture has a green ghost like shade


The sounds like the light engine is bad. Sony is notorious for blobs because of the three LCD chip inside consisting of a red, green, and blue chip. The light from the lamp is reflected and then combined back together to form a brilliant picture. Unfortunately one of the chips is bad, or has melted due to extreme heat from the lamps. This can cause the color blobs on the screen. A lot of people experience blue or green blobs in the center or on the sides of their sets.

Feb 04, 2010 | Sony KP-61S70 61" Rear Projection...

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The unit is beeping and the red light over the battery symbol ont he right hand side is blinking. Wiggling the main power cord to the unit has been the only solution. I am wondering if the system needs to...


Probably, the battery inside the unit has reached its "end-of-life".
The RED light near the BATTERY icon is the indication.

Remove the battery, and check the date on the battery.
If it is "too old", it should be replaced.
There do exist companies that will take your battery, open it up,
replace the rechargeable cells, and ship it back to you,
for a lower price than buying a brand-new battery.


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1 Answer

I was wondering if anyone knows where i could find a sevice, repair manual, or an exploded view for a hiatachi 50v500 lcd projection. I have a red blob, and thank to other posts on this site, probably a...


http://www.tradebit.com/filedetail.php/2484734-service-manual-hitachi-50v500-lcd-rear-projection small fee for the manual

http://www.fixyourdlp.com/blog/2009/02/25/hitachi-owners-manual-for-your-lcd-tv%E2%80%99s/

Great site for dlps with allot of information including your manual

Aug 21, 2009 | Hitachi Televison & Video

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...

1 Answer

Blue blob


Hello rivas_gab. Before I answeryour question let me explain a little how your tv works. You TV uses is a 3LCDtv that gets its picture from a lamp, the lamp produces a white light brighterthan the sun, the light goes through a square prism and is split 3 ways, eachgoing through a small LCD chip (blue, red & green). Then it travels troughthe light engine where the final picture is produced. The blue blobthat appears on the screen might be caused by one or two lcd chips that havestarted to get burn by the intense heat emitted from the light of the lamp. If that is theproblem you’ll have to replace the entire light engine, the other option isthat you buy the prism with the lcd chips, how ever that almost impossible becausenobody that I know sells them separately. If you decide tobuy, search buy part number, NOT model number, otherwise you’ll run the risk ofgetting non compatible parts. If you’re lookinga place to purchase look for dedicated tv part distributors (my personal recommendation:Discount-Merchant ). Happyhunting.

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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...

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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