Question about Panasonic PT-47WX42 47" Rear Projection Television

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Convergance problem I have not had a problem with this in the past but last nigth everything went crazy....i cant get the vertical green bar to line up with the hatch mark and it is not a straight line as it has bends at the top and bottom. The horizontal is fine....any thoughts or help.

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  • mparnell9890 Nov 15, 2008

    I have the same problem, but with the red line.

  • mparnell9890 Nov 15, 2008

    Red convergence line is off.

  • missie96 Dec 08, 2008

    my red covergence doesnt work the left side of the screen hre is up 3 " from the middle r giht side ok . wont adjust from menu.

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  • Panasonic Master
  • 8,617 Answers

Replace the two STK392-110 convergence ICs. You can get replacements at the following link with free installation instructions.
http://servicemanuals.vstore.ca/

Posted on Oct 14, 2008

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2 Answers

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!
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    Green and red a little blue everything is doubledup lines droop down from the top everything is dropping to the middle


    CONVERGENCE PROBLEMS. WILL REQUIRE PARTS REPLACEMENT. POSSIBLE VERTICAL DEFLECTION FAILURE ALSO

    Dec 27, 2009 | Zenith R57W46 57" Rear Projection...

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    Colors dont line up and green is "dancing" all over screen


    Your TV most likely has a Convergence Chip Failure ( common problem )

    Here are some of the most common symptoms and example photos of a convergence problem

    • Screen looks 3D
    • Colors don't line up
    • One or more colors can't be adjusted when using the convergence menu.
    • Screen is bowed or warped.
    701cb04.jpg
    77ea520.jpg
    f0900cb.jpg

    2c07611.pngSolution #1

    You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together convergence repair kits for most models.

    The kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, etc. Everything you will need to do the repair yourself.

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    Convergence issue


    try fixing the convergence 2 after your've aligned the convergence 1 - the second (accessed via the set up control) let's you adjust on 9 different axis to align the red and blue tubes to the green. you select which + sign you want to adust by pressing the corresponding number for the + ie 1 for the top left, and 9 for the lower right corner.

    good luck (note - you cant change the green only the red and blue, if the whole edge is a mess try moving the image (you need to be in zoom mode, and then access the position adjustment via the pitcure set up screen.

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    51 big screen apex tv, convergence or verticle IC?


    If the lines are thin and close together running horizontally, it may be the vertical driver, but that usually takes out the resistor and sometimes the diode in the B+ for the vert. Also you must replace the caps that caused the problem in the first place.

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    Hitachi 51SWX20B Convergence problem


    Solution:

    Your TV has a convergence problem. Here are some of the most common symptoms.

    Screen looks 3D
    One or more colors can't be adjusted when using the convergence menu.
    Screen is bowed in or warped.

    Here is a quick test....

    Using your original remote go-to the tv settings then goto the convergence or magic focus section.

    Try to adjust the convergence.

    You should be able to move them up, down, left, and right.

    If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

    Its a fairly easy fix on the Hitachi sets.

    You can get a repair kit that includes all the parts from www.TvRepairKits.com. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
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    Jan 28, 2008 | Hitachi 51SWX20B 51" Rear Projection...

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    Convergence


    Seems like you need to replace its convergence amplifier ICs (2 pcs). The convergence amplifiers are attached vertically to two heatsinks. When replacing these, remember to reapply thermal paste (white paste for better heat transfer from IC to heatsink). If you don't replace these, over time other components will be affected.

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    Green vertical lines on the screen


    Sounds like you may have some bad filter capacitors in the convergence board. Better take a close look at them before they damage the chips. Good Luck
    Ed
    NC Electronic
    Mills, Wyoming

    Nov 15, 2006 | Hitachi 42V710 42" Rear Projection HDTV

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