Question about JVC HD-70G886 70" Rear Projection HDTV

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Jvc 70 rear projection green red vertical lines

Red and green vertical lines appeared with tv image and sound still visible.

Posted by Anonymous on

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Not worth the money

Posted on Jun 14, 2014

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: jvc tv picture quality

sounds like your crt tubes...meaning Red, Green and Blue are out of alignment...or possibly 1 of the crt's is burned out.

Posted on May 04, 2007

  • 1694 Answers

SOURCE: Red and Green lines

Yes,it's worth fixing....if done right, with first quality parts.
Should hold up 3-5 years....What can you tell me about
previous parts ??...............................................T.

Posted on Jan 30, 2008

  • 453 Answers

SOURCE: BLURRED DOUBLE IMAGES

need to replace convergence ic stk392-110

Posted on May 08, 2009

Mr_Wizardtex
  • 205 Answers

SOURCE: Vertical jitters on picture - JVC AV48P776

What you are experiancing is loss of High voltage. The line is called a retrace line. It is usally caused by failure of the flyback circuit or aging of the TV tube. This is the single most common failure with CRT based display systems. The high voltage can be tweaked up, to accomidate for the age of the tube. Its a short term solution. Because of the high voltage nature of this circuit, suggest a professional repair.

Posted on Jun 29, 2009

ccormier007
  • 60 Answers

SOURCE: Vertical lines appear on the screen.

It appears like there is a bad capacitor in the horizontal circuit. Try to put a fan near the ventilation trap, just for a test.
the part cost almost nothing but having someone to your house is expensive.
Your decision.

Posted on Jul 01, 2009

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1 Answer

LG TV 42LV5500 with vertical lines


T con Board or the LCD panel of the TV is faulty. You have to replace the Tcon Board to confirm where it is T con Or LCD panel.
If you wish to get some details; check the site linked here. Pull up older posts.
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Tip

How to set convergence on Projection TV ' s


I have given an general explanation on most projection TV ' s

  1. Enter the menu on your TV. Use the remote control and bring up the menu.
  2. Choose "Convergence." This may be under "Picture Settings," "Function" or "Advanced Options."
  3. Select a color. You will have red, green and blue to choose from. Do each one, starting with red.
  4. Press "Enter." A crosshair pattern will appear on your screen.
  5. Adjust vertically. If there is a horizontal red line visible, press the up or down arrow keys (or channel up or down) to adjust the convergence until the line is superimposed on the horizontal-center line of the white crosshair.
  6. Adjust horizontally. If there is a vertical red line visible, press left or right (or volume up or down) to adjust horizontally. Do this until the line is superimposed on the vertical line of the white crosshair.
  7. Save settings. It is important to save your settings when you are done, instead of simply exiting the menu.
  8. Repeat these steps for all colors.

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A horizontal band of green and red lines across the screen


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent.
Type in the brand name to your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts. It will make surf easy.

Mar 17, 2015 | Panasonic TC-P46C2 - 46 Inch 720P Plasma...

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My picture is doubled on my toshiba TN50V71 as if there is a shadow behind everything? Please help!


hi, sounds like a convergence issue. try this...
  • Look through your manual. Your manual will always give you the most specific directions for your particular model. Look for an "adjusting convergence" or "set manual convergence" section.

  • Enter the menu on your TV. Use the remote control and bring up the menu.
  • Choose "Convergence." This may be under "Picture Settings," "Function" or "Advanced Options."
  • Select a color. You will have red, green and blue to choose from. Do each one, starting with red.
  • Press "Enter." A crosshair pattern will appear on your screen.
  • Adjust vertically. If there is a horizontal red line visible, press the up or down arrow keys (or channel up or down) to adjust the convergence until the line is superimposed on the horizontal-center line of the white crosshair.
  • Adjust horizontally. If there is a vertical red line visible, press left or right (or volume up or down) to adjust horizontally. Do this until the line is superimposed on the vertical line of the white crosshair.
  • Save settings. It is important to save your settings when you are done, instead of simply exiting the menu.
  • Repeat these steps for all colors.
    good luck!
  • Feb 02, 2011 | Toshiba TN50V71 50" Rear Projection...

    1 Answer

    It has tripple vision and looks like a bow tie.


    hi, sounds like a convergence issue. try this...
  • Look through your manual. Your manual will always give you the most specific directions for your particular model. Look for an "adjusting convergence" or "set manual convergence" section.

  • Enter the menu on your TV. Use the remote control and bring up the menu.
  • Choose "Convergence." This may be under "Picture Settings," "Function" or "Advanced Options."
  • Select a color. You will have red, green and blue to choose from. Do each one, starting with red.
  • Press "Enter." A crosshair pattern will appear on your screen.
  • Adjust vertically. If there is a horizontal red line visible, press the up or down arrow keys (or channel up or down) to adjust the convergence until the line is superimposed on the horizontal-center line of the white crosshair.
  • Adjust horizontally. If there is a vertical red line visible, press left or right (or volume up or down) to adjust horizontally. Do this until the line is superimposed on the vertical line of the white crosshair.
  • Save settings. It is important to save your settings when you are done, instead of simply exiting the menu.
  • Repeat these steps for all colors.

  • good luck!

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    How do you set convergence


    What is your Make and Model number?

    Mar 18, 2010 | Televison & Video

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    A 12" high by 4" wide block of colored vertical lines in middle of screen


    I have the exact same problem as sal1965. Does anyone know which circuit board may have a problem?

    Aug 16, 2006 | Samsung PPM50H2 50 in. Plasma Television

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