Question about Toshiba 53AX62 53 in. Rear Projection Television

1 Answer

Center screen convergence problem

Hello, I have the convergence set pretty well around the edges but the center screen horizontal lines won't line up. Is there an adjustment for center screen (crosshairs)? Thank you for your assistance in advance.

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The convergence adjustment on the TV set are for the center adjustments ONLY. if you cannot get them in or they are way out, then you have a convergence IC problem. Dont feel bad though as it happens to every rear projection set ever made. Good Luck

Posted on Dec 31, 2006

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Posted on Jan 02, 2017

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How i adjust horizontal size and vertical size


To answer your concern, all you have to do is to change the setting of your aspect ratio on your TV.

Here is my suggested way to procede:


1. Apply 1080i signal, which should produce an oversized HD image on ColorStream1or 2.
2. Select an HD channel that is broadcasting standard 4:3 image, not wide screen.
3. Switch to the Service Mode ( Please refer to the above links). In the Service mode, press channel up/down to find the Adjustment parameters needed for the following steps.

4. Adjust HIT with volume up/down control for the image height to 22.5 inches.

6. Adjust WID for image width of 30 inches, (22.5*4/3)
7. Adjust HPOS to center the image.
8. Adjust PARA and TRAP to minimize geometric distortion.
9. Switch into Convergence mode and Adjust VLIN to get equally spaced horizontal grid lines.
10. Measure the length of the central grid lines and note the number of horizontal and vertical grid lines. This information is used to create an overlay grid.
11. Create the overlay grid on 40x25 x0.003 inch clear Acetate sheet, which you can get at the Art Supply store for under $2. Draw the grid with a fine line erasable pen. Draw vertical and horizontal lines through the center of the sheet so that the lengths are the same as the central grid lines. Now draw the grid so that it has the same number of lines as the convergence grid but are equally spaced, with the outer ones at the ends of the central lines.
12. Cut off about 1/4 inch from the right side of the sheet so that the sheet can lay flat against the screen, which is slightly less than 40 inches.
13. Put a reference mark on the TV frame 2.5 inches down from the upper left side of the screen.
14. Place the overlay on the screen so that the upper edge lines up with the reference mark. The overlay sticks by electrostatic attraction.
15. Use convergence controls to remove grid distortion and converge grid colors. Refer to the Anamorphic link for details.
16. Enjoy 1080i.

Other Comments:
I didn't realize I could create the overlay grid before placing the Acetate sheet on the TV screen, until I finished drawing the grid with the sheet placed on the screen. I added grid lines as called for in the procedure. I'm sure this method took much longer no only to draw the lines but some of them were difficult to see.

Part way through the convergence procedure, I became concerned that the image width was off since I did my screen adjustment with wide screen image. Thus, I decided to repeat that step with a 4:3 screen.

I confirmed the need to press 7 often to save results since after I adjusted one grid color without it, I accidentally hit a key that switched me out of convergence mode and when I switched back, all settings were gone.

Another mistake I made was not realizing that the cursor color determines which grid gets moved.


May 13, 2011 | Toshiba 32AV500U 32 in. LCD HDTV

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.

on Mar 18, 2010 | Televison & Video

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

    2 Answers

    How do you set convergence


    What is your Make and Model number?

    Mar 18, 2010 | Televison & Video

    2 Answers

    Convergence lines are SLANTED. Red line is above


    Your TV most likely a convergence 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.
    Here are some photos of convergence problems.

    3dc9420.jpg
    645fba6.jpg
    0dcec37.jpg
    Here is a quick test....

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

    Try to adjust the red and then the blue 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.

    0667c5f.pngSOLUTION

    You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

    Apr 26, 2009 | Hitachi 53FDX01B 53" Rear Projection...

    1 Answer

    PICTURE HAS DISTORTED HORIZONTAL LINE IN CENTER OF SCREEN.


    Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

    Convergence problems are very common on all Projection TV sets including Sony, Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit from the link below.

    Common Symptoms include....
    • 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.
    • TV shuts off after powering on - TV may also make a chirping noise.
    Here are some photos of convergence problems.

    49abec3.jpg
    f0add3d.jpg


    Here is a quick test....

    Using your original remote go-to the settings menu then goto the convergence section.

    Try to adjust the red and then the blue convergence.

    You should be able to move RED and BLUE in all directions - up, down, left, and right.

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

    Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a solution

    93a1209.pngCONVERGENCE SOLUTION

    You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
    This is a a fairly easy DIY job if you know what you are doing. If you have never done this before we would advise calling a shop or if you want to do it yourself get a complete kit with instructions and support from www.TvRepairKits.com

    Jan 03, 2009 | Toshiba 55H70 55" Rear Projection...

    1 Answer

    Red Convergence


    http://electronicshelponline.blogspot.com/
    http://schematicscom.blogspot.com/
    http://homenol.blogspot.com/
    Visit these sites. Convergence procedure of projection televisions are given in detail.

    Mar 28, 2017 | Televison & Video

    2 Answers

    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.
    Everything you need to fix it yourself.

    Jan 28, 2008 | Hitachi 51SWX20B 51" Rear Projection...

    1 Answer

    Sudden discoloration, ghosting, bowed horizontal lines in top and bottom of picture


    The most likely cause is shorted convergence chips and possibly a few pico fuses.

    These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

    When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer2_bing.gif Hitachi,Mitsubishi,Zenith and others.
    You can get a convergenece repair kit with instructions from the links below.

    Here are some of the most common problems with these sets...

    Problem #1) Convergence

    Yours may have one or more of the following symptoms...

    *Screen Looks 3-D
    *Colors wont align
    *Screen may look distorted or warped
    *No Audio/Video - TV Shuts down - May also make a constant chirping sound

    Problem #2
    Another common problem is dull or washed out video.

    Your set may have one or more of the following symptoms....

    *Dull looking picture
    *White looking picture
    *Halos around objects
    *Red/Orange looking picture

    You can see some more examples and find a fix herebb0cf99.png http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

    Nov 10, 2007 | Samsung PCL6215R 62" Rear Projection...

    1 Answer

    Retrace lines and poor convergence


    you have bad solder connections on the convergance board solder then and get back to me k

    Oct 30, 2007 | JVC AV-48WP74 48" Rear Projection...

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