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My tv has wavy blue lines when the screen is black

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Your lcd (liquid crystal display) is defective. Wether it's a manufacturers defect or not it may be covered by warranty but this is usually caused from a tv facing a window with direct sunlight or perhaps children using magnets near the display. There is no repair other than replacing the entire display.

Posted on Oct 17, 2013

  • Josh Oct 17, 2013

    Thank you so what do you mean by whole display? How much will this cost? If so can I even still buy this?

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Posted on Jan 02, 2017

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SOURCE: Wavy lines

This TV uses small voltage regulators. On each side of the regulators is the input voltage and the regulated output voltage on the other side. There are capacitors used for stabilization on the input and output. Change these capacitors.

Posted on Nov 27, 2006

  • 1 Answer

SOURCE: my TV has blue lines,flashes then turns off

I spoke with a technician yesterday. I live in Quebec. He told me that he fixed this problem a lot but now it's impossible to find the blue and green tube needed to fix the problem. Some red tube are still available. So basically my Sony TV is now plastic and glass junk. There's hope for those with an extended garantie because they give you a new TV cause it's unfixable. Good luck. Too bad Sony doesn't do anything about this. I'll never buy Sony again...

Posted on Jan 08, 2008

  • 899 Answers

SOURCE: a wavy line with 3 colors

this a convergence problem and the convergence IC's will need replacing along with some testing of resistors and or replacement
to have a technician come out to do this repair will cost about $300 - $350 to get this fixed

Posted on Dec 12, 2008

  • 2 Answers

SOURCE: Green screen with red and blue wavy lines

This is "NOT" meant as "expert" advice...as this is not my area...HOWEVER...I see no one has answered this yet...AND I got some good help from here a year or so ago that worked for me!

When I had a similar "green screen" problem with my SONY projection tv...the guy helped me by having me make "MINOR" adjustments to the red/blue/green etc knobs behind the panel. These were three small black plastic pieces and needed less than a 1/16 of an inch adjustment...try adjusting one at a time and giving it few seconds after each adjustment. It worked for me..at least for a while (till my wife gave it away to a friend because it was "too big"...ah! women!!! LOL)...hope this helps. (NON-expert help!)

Posted on Jan 11, 2009

localwonder
  • 6784 Answers

SOURCE: rear projection tv screen warped

HI, this is typical convergence chip failure. you will need to replace the convergence board in this set asap. this will fix this issue you are experiencing.

Posted on May 23, 2009

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My samsung projection tv has blue wavy lines on top of screen, I adjusted convergence, the blue will not line up horizontally, is there a inexpensive solution?


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Check with TVrepairparts.com who sells some kits for this by brand and model number

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1 Answer

Lines, then no picture, then turns off


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1 Answer

Green screen with red and blue wavy lines


This is "NOT" meant as "expert" advice...as this is not my area...HOWEVER...I see no one has answered this yet...AND I got some good help from here a year or so ago that worked for me!

When I had a similar "green screen" problem with my SONY projection tv...the guy helped me by having me make "MINOR" adjustments to the red/blue/green etc knobs behind the panel. These were three small black plastic pieces and needed less than a 1/16 of an inch adjustment...try adjusting one at a time and giving it few seconds after each adjustment. It worked for me..at least for a while (till my wife gave it away to a friend because it was "too big"...ah! women!!! LOL)...hope this helps. (NON-expert help!)

Jan 11, 2009 | Televison & Video

1 Answer

A wavy line with 3 colors


this a convergence problem and the convergence IC's will need replacing along with some testing of resistors and or replacement
to have a technician come out to do this repair will cost about $300 - $350 to get this fixed

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1 Answer

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'I to am getting only wavy blue lines, no sound, doesn't even show channel indicators. TV was off for 4 days, came home turned it on and ten minutes later this screen appeared, it wont even show the menu screen, different channels or video inputs no sound either.

Jun 21, 2008 | Apex Digital GB5108 51" Rear Projection...

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