Question about JVC AV-48WP74 48" Rear Projection HDTV-Ready Television

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THE VERTICAL AND HORIZONTAL COLORS DO NOT LINE UP.IT KIND OF LOOKS LIKE THE PICTURE IS IN 3D.

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  • JVC Master
  • 8,617 Answers

Thats caused by failed convergence ICs and feed resistors. You can get the JVC repair kit called the AV48WP74 convergence repair kit from www.tvrepairworld.com which contains the ICs , resistors and the CD with repair instructions.

Posted on Sep 12, 2010

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Posted on Jan 02, 2017

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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!

    Feb 02, 2011 | RCA HD61W66 61" Projection HDTV

    1 Answer

    Horizontal and vertical lines themselves are off skew. can you adjust these convergence ines. everything else color ok


    No,this tv 100% have convergence problems,it dead.Any colors lines R,G,B are mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors are dead too.These parts on the tv convergence board,must be replaced to solved the tv pictures convergence problems.The shop,will cost u like $300-350 for parts and labors.

    Nov 22, 2010 | Mitsubishi WS48511 48" Rear Projection...

    1 Answer

    THE VERTICAL AND HORIZONTAL COLORS DO NOT LINE UP.IT KIND OF LOOKS LIKE THE PICTURE IS IN 3D.


    What you most likely have is a convergence problem. The convergence circuitry is used to align your colors. What you describe sounds like that circuit has failed. Here’s a link to a decent video that will give you an idea of what is needed to fix it: http://www.youtube.com/watch?v=esk4nYZKFcg

    Aug 29, 2010 | JVC AV-48WP74 48" Rear Projection...

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    Magnavox 32MF337B/27 power supply works and like another writer when power is turned on the audio works the channels change and you can tell that all remote and on set keys work, but no picture except an...


    hi i have a 50" magnavox that has a problem, i was looking at several websites and i find out the dirfferent posibilities.
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    IT COLUD BE (X or Y or Z SUSTAIN BOARDS )

    2) just left part of screen working
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    Oct 04, 2009 | Philips Magnavox 42MF521D/37 Television

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    Picture in 3d without the 3d glasses


    Replace 2 convergence chips, will start with stk ###-###

    Oct 02, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

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    Pictures looks 3D-ish with small horizontal lines


    Projection TV sets have several common problems listed below.

    Problem #1) Convergence

    Symptoms:

    • Screen Looks 3-D
    • Colors wont align
    • Screen may look distorted
    • No Audio/Video - makes a chirping sound.
    Example Photo:
    5f6e85c.jpg
    Problem #2 CRT Fluid has clouded over.

    Symptoms


    • Dull Video, Washed out
    • White/Bright looking video
    • Halos around objects
    • Red/Orange looking
    Example Photo:
    ee1ca68.jpg

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

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

    Jul 13, 2008 | Sony KP-57HW40 57" Rear Projection...

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