Question about Panasonic PT-43LC14 43" Rear Projection HDTV

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Yellow streaks on tv screen

How do i remove yellow streaks on tv screen?

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  • dolphinheron Nov 16, 2008

    yellow blotch that is spreading from bottom to top

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I have the same problem with the yellow blotch that keeps growing. I had a certified Panasonic technician look at it. It took him 15 minutes and $96 to tell me that the light engine had failed and it would cost $1800 to fix. I contacted Panasonic and they offered me a plasma at 20% off of their MSRP. It didn't amount to much when I realized I could negotiate for about the same on my own. The TV is 4 years old and I paid $2500 at the time. I doubt i will choose Panasonic again.

Posted on Nov 21, 2008

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I have an hitachi 62vs69a that has blue streaks on the side with a yellow tint? how do i fix it?


BLUE STREAKS AND YELLOW TINT describes almost perfectly a bad optical light engine--no do it yourself repair and engine is well over 600 dollar part exchange.

The shutdown may or may not be related but it does not matter--time for another (in my view) TV.

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The yellowing of Sony’s KDF-60WF655 rear projection is a problem with the SXRD optical engine. This turned out to be a big problem on many of the SXRD TV's. Sony actually had a class action lawsuit that covered the optical engine for 5 years. My unit was replaced in June of last year (2009) about 1 month before the coverage ended. My unit had a bad yellow streak on the right hand side. Sony no longer covers the cost of replacement, as the class action suit has now expired. Sorry for the bad news. Its not clear if a new optical engine will suffer the same fate after a few years. Sony’s rear projection TV's are amazing and the picture rivals many of today’s LCD's and Plasma's. Any authorized Sony Tv repair shop will no exactly your problem and will be able to give you a fixed price to repair.
Hope this helps

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1 Answer

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1 Answer

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This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

Hitachi UltraVision has blue streak on right side of screen.


convergent systems.. I callled Hitachi....

it cost $600 to relpace the part... all 3 colors red yellow blue,.... tech took the part out and will replace it in about 3 or 4 days.

I was told by technician that it was a very very good tV in fact he said he would buy it from me for $300 and take it away.. I am considering that ... but a new one with Picture in picuture will be 2000 or more

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1 Answer

Projection tv - Hitachi


sounds like you need to do convergence.

Feb 21, 2008 | Projection Televisions

1 Answer

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Can you describe in a little more detail what the symptoms are? Are the streaks thin lines or are they large thick swashes of Blue? Is yur video still visible? Sounds like it may be the blue convergence amps or the resistor tied into the amps. is there anyway you can post a picture of your screen distortion?

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1 Answer

Yellow streaks on screen.


It could be something on the crt embedded that looks like the screen.

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1 Answer

Blue haze around image, yellow streak


the tv color circuit is off frequency change the color ic take a look on the crystal that gives the 4.8.mhz burst could be that it needs to be replace dont rule out the video IF change the two ICs you mention.good luck.from the look of your tv screen that is my conclusion.good luck.email me at nicodhem@yahoo.com

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