Question about Sony Grand WEGA KF50WE610 50" Rear Projection HDTV-Ready Television

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Blue blob Where can I buy a light engine for the same tv cheap?

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There is no permanent fix for Sony's Rear Projection TV's. I have a KDF60XS955. I've had two optical engines go out. This an engineering problem. I refuse to pay for yet another engine as it cure the problem. I love the TV when it's working properly. I have tried working with Sony for a replacement to no avail. They want me to buy another one of their sets. I will have to buy another set but it won't be Sony they don't stand behind their products. I haven't had a full year of service out of this product since it was purchased. I have filed complaints with the FTC, my State Attorney Generals Office, Consumer Protection Agency.org, and joined the Robert Lax class action lawsuit.

Posted on Aug 12, 2009

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Cant get it cheap, however Sony has extended their warranty to cover defective optical blocks, which is what your tv needs. models from 2006 until now will be covered until 2010. contact Sony. Julio milleniumtvsvc@gmail.com

Posted on Jul 26, 2009

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We can't find a service manual for KF-WE50S1. What are parts C515 and C516?

Posted on Jul 30, 2009

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Posted on Jan 02, 2017

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1 Answer

My tv has a blue blob and slight yellow around the edges what could be the cause of this?


On a projection TV its usually the fluid. On DLP TV sets its a bad color wheel or light engine. At least in most cases

Mar 26, 2012 | Hitachi Televison & Video

1 Answer

Started with small blue dots to left of screen. mGrew to a dark blue blob in the center of the screen. How can I fix this.


The light engine (the projector part of tv) is failing. A common problem, but very expensive as you have to replace the entire engine, can't be repaired. Check with Sony to see if this model is still under their extended warranty or not. If so they'll fix it for free, if not be prepared to pay several hundred dollars at the least. At that point you'd probably be better off buying a new TV.

Sep 11, 2010 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

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...

1 Answer

What do I do with the blue blob on my HDTV?


your light engine is bad causing the blue blob.

Dec 06, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

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

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.

Dec 16, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

5 Answers

DIY light engine


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

Apr 11, 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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