Question about Toshiba 42H83 42" Rear Projection HDTV-Ready Television
They are adjusted through the convergence control in the menu.If they do not adjust, the convergence IC's are bad and need to be replaced.
Call a good TV Tech.
Posted on Jul 30, 2009
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Posted on Jan 02, 2017
Having the same kind of problem, only mine occurs twenty or so minutes after start up and only on the left and right sides of the screen.
Posted on Jan 26, 2008
your convergence IC;s are out, they cost about $40, if you know how to solder, you can do it your self, if not , I would try to find somone that can, service centers charge about 4 or 5 hundred, after you get the new ones, there easy to find on the board in the back of the tv
Posted on Jan 08, 2009
Ur convergence it dead,Must know how to solders?Buy a convergence kit,replaced what in that kit.Tries Tv Repair World.com,Tvrepairkits.com.
Posted on Dec 23, 2009
Replace both of your convergence ICs they are big black ICs will have STK392-110 on them Call Mats 1-800-628-1118 10.95 each.
Posted on Jan 09, 2010
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....
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
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
Posted on May 30, 2010
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