Question about Toshiba 57H81 57" Rear Projection Television

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Double vision i came into the room and the kids had the remote pushing buttons. now I have double vision. tried to adjust the converse, but cannot figure out how to do it. can someone call me at 217 649-6531? I've been trying to adjust back to the factory settings

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Re: double vision - Toshiba 57H81 57" Rear Projection Television Projection Televisions

I recomand change convergence output IC

Posted on Dec 19, 2007

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1 Answer samsung projection tv has double vision and i dont know how to amend the lens can yu please help thank you

double vision in a rear projection tv has several reasons. one is convergence magnets are out of tune. u need to tune them which is back side of picture tubes. u please observe that which color is producing the double vision. the lens are firmly fixed & therefore need not to adjust. other option is to adjust the convergence of tv by going to service mode by remote.

Sep 13, 2011 | Samsung Projection Televisions

1 Answer

I have double vision on the screen tried to do the automatic conversion but the red and blue wont align in the middle. I dont have the right remote to do it manually what can I do

A convergence repair kit will need to be installed. your model uses the AV48WP74 - AV65WP74 convergence repair kit. You can get it at the kit contains the parts and the CD with detailed instructions.

Dec 13, 2009 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Double vision two picture

conversion chip is blown do a google search on "replace conversion chip"

May 06, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Double vision..

Adjust the convergence in the menu. If it will not adjust then solder connections on convergence ics or ics themselves need replaced.

Apr 26, 2009 | Projection Televisions

1 Answer

Double vision on my Mitsubishi 46 inch width screen--TV is 5 years old

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.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

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. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.



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. And you should be able to get the grid straight.

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 fix


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 are handy and can follow directions. You can get complete repair kits from or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Mar 16, 2009 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Double vision on my Mitsubishi 46 inch width screen--TV is 5 years old

any repair shop can re converge the tv for do some calling arond and get a few quotes to see what it would cost to have them come to you

Oct 09, 2008 | Mitsubishi WS-55513 55" Rear Projection...

1 Answer

Double- Vision

More than likely your akai has defective stk392-040 Convergence chips . it also may have open resistors generally 3.9 ohm flame proff. this board is attached to the top left looking from the back of the set it is screwed on by 1 screw black in the center . after installation this will probably half to be converged dinamically. which means you will half to get to the grid this is done by using the remote press mute 183 quicly to enter numbers on thew remote 2 to adjust red 4 to adjust blue horizonta 6 to adjustred vertical and 8 to adjust red vertical using center button to go up and down

Feb 20, 2008 | Akai PT4298HD Rear Projection Television

1 Answer

Double vision pretty much

This problem from what you are describing is a convergence issue the customer menu has a option that might help set convergence. if that doesent work a technician may have be called to adjust convergence or see what part has failed in the convergence cuicit

Feb 18, 2008 | RCA R52WM24 52" HDTV Projection Television

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