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White line across screen - Projection Televisions

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  • Anonymous Dec 27, 2008

    i have the same thing on my tv a white line across the bottom about 1/4 of the way up

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Bad vertical.  You will need to supply model number and manufacturer for more help. If it is failed vertical you will need expert help to repair
www.classtorations.com

Posted on Jun 09, 2008

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White vertical lines across the screen. Why and what can be done? Thw white lines appear and stay all the way across the screen. They are about 1.5" inbetween each vertical line,


You have a failure in the vertical circuit. Service can run between $75 to $150 depending on your area.(In home repair will cost more) If set is older then 3 years and under 27" recommend replacing it.

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Your reference to across the screen to me means horizontal. Check the bias on the video drive, there may be a potentiometer on the board to adjust. The new parts may have picked up the drive, turn it down if possible.

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KP57WV700 - Blue Lines Across The Screen


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...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

Hello, I've got red wavy lines across screen


There are two common problems with these sets.

Problem #1) Convergence

Symptoms:
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  • 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...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

Vertical white lines across screen


whatever brand your tv is go there .com maunals it should show u what u need to know

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1 Answer

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Good Day,

Does the blue spot have tin white lines?? Is there a picture behind the 'circle'? You may a blue crt (tube) problem.

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2 Answers

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YOU NEED CHECK THE 3 CRYSTALS ( RED, GREEN AND BLUE). CLEAN IT WHIT "DUST REMOVER" ( compressed gas duster) AND REPLACE THE COLOR WHEEL.

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1 Answer

White horizontal lines on screen


Replace all electrolitic capacitors on the Proscan pcb.

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1 Answer

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check you bulb and your color wheel notorious on this set

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1 Answer

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is the white line in the middle of the screen going left to right, if thats the case then sounds like a frame collapse, get it checked by an engineer

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