Question about Sony KDF-E42A10 42 in. LCD Television

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KDF-E42A10 Sony TV Blue Colored blobs on screen

KDF-E42A10 Sony TV bought in March 2006 is starting to have blue streaks in the TV display from the upper left hand corner in a blob shape coming gradually to the middle of the screen. What is the solution and is this worth repairing? What is the life expectancy of this model?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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mattozan
  • 555 Answers

SOURCE: No picture, Pulsing red with bluish/yellow tinge

Take it to Best Buy for repair.

Posted on Mar 10, 2008

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SOURCE: 3LCD Projection TV 2.5 years old displaying blue hue/blobs

I would first try a new lamp. If the reflector portion of the lamp has any defects, it could show up this way as the light would not be uniform. The next possibility is a defective light engine. The engine portion if not field repairable and would need to be replaced. Try the lamp first and let us know what happens.

Dan

Posted on Jan 13, 2009

  • 8 Answers

SOURCE: I have a Sony KDF-E42A10 42" LCD TV that has probably 100 vert

Its a b-block assy that causes the vertical lines b- block is out

Posted on May 24, 2009

  • 188 Answers

SOURCE: The screen has a large

Try cleaning the inside of the frontplate and the lens

Posted on Jul 27, 2009

vljenterp81
  • 86 Answers

SOURCE: Large blue blob in middle of screen on my 42

check to see if your green and red lamps are lighting. if they are not then go to your convergence board and check to see if you are getting the right voltages. the voltages are written on the circuit board on some tv's. i believe that you are having problems with your convergence.

Posted on Nov 10, 2009

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Picture has a blue blob-like on side and bottom. Also has a yellow shade in middle when viewed from 15 ft +?


Jerry to be frank with you I would not invest another cent in that Tv. The new once are getting cheaper and you would be alot happier. If you do decide to purchase a new TV look for SMART TV'S. Good Luck.

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Recomended solution to fix the blue at the bottom of screen


Defective light engine. Contact Sony Support because they extended the light engine warranty for some models. Sony technical support number can be found in your Owner's manual. Thanks :)

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Large blue blob in middle of screen on my 42" sony tv model # KDFE42A10


check to see if your green and red lamps are lighting. if they are not then go to your convergence board and check to see if you are getting the right voltages. the voltages are written on the circuit board on some tv's. i believe that you are having problems with your convergence.

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replace the cold cathode(s) that lights your display it is like a small florescent lamp

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1 Answer

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Hello,

You have the classic "blue blobs," In most of Sony's rear projection LCD's, the Optical block is bad. Manufacturer's defect. The blue panel inside of the optical block starts de-laminating (due to heat from the lamp). This is a very common problem. I have changed about 70-80 optical blocks myself over the course of about 4 years.

There is no other fix but to replace the optical block. Unfortunately, it will get worse, and will probably develop "stars," or stuck pixels, as well. You can call Sony and try to get some assistance, but the extended warranty on these sets has recently expired.

Hope this helps you in some way...

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Sony KDF-E42A10


correct, no video source, whether it be on a video input or cable, still the colored lines

Jan 15, 2008 | Sony KDF-E42A10 42 in. LCD Television

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