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My convergence is off on my 55 in toshiba projection screen

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The conversion chip is a STK chip and needs to be replaced along with some resistors that connect to it

Posted on Oct 15, 2008

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1 Answer

55 inch toshiba has a warped screen. Can it be fixed?


Take a look at this video to see if your a a true convergence problem or just need an adjustment.

Oct 06, 2011 | Toshiba 57H82 57" Rear Projection...

1 Answer

The picture on my Toshiba 55H70 is distorted. Most of the screen is fine, but the bottom left looks bent with all three colors misaligned. I tried adjusting the convergence some but it did nothing for that...


hello am rico, you need to replace your convergence ics (stk392 or 393 something esle). check for caps,fuses, resistors, cold solder in the boards. if you need more help, feel free to call at anytime. 602-810-7149.

Jan 07, 2011 | Toshiba 55H70 55" Rear Projection...

1 Answer

Convergence


you must go to a repaircenter
some ic,s have to be replaced

Apr 07, 2010 | Toshiba 55HX70 55" Rear Projection...

1 Answer

How do i adjust convergence on a 55 inch toshiba


You need an original working Toshiba remote: two choices here--in the customer menu there will be an option for this and there is a hidden tech menu for finer adjustment all over the screen.

Usually the customer mode works ok--if you find red or blue will not adjust somewhere you have a problem-that aside tell me what you are trying to acheive?

SD TECH

Dec 12, 2009 | Toshiba 55HX70 55" Rear Projection...

1 Answer

My colors all of a sudden went out of wack


Is there an advanced convergence setup anywhere in the menu where the screen displays a grid? If so, you might want to get into that and move along the grid to each section that looks off. Adjust until the color falls behind the gridline, and move on to the next. It can be a time-consuming process, but should take care of your convergence issues.

Jan 20, 2009 | Toshiba 55H70 55" Rear Projection...

1 Answer

Toshiba projection TV Flickers


You may have bad convergence chips in the set. I have worked on some with similar problems and replacing the convergence chips was the solution. Good luck and I hope this has helped.
Ed
NC Electronic
Mills, Wyoming

Feb 18, 2008 | Toshiba 55H70 55" Rear Projection...

1 Answer

Can not align color dirvertions on test screen


I think you need a remote to use the convergence features of this set. Does it have an auto convergence feature? And does it work?

Dec 31, 2007 | Toshiba 55H70 55" Rear Projection...

1 Answer

Toshiba 55" rear projection


Hi, convergence circuit has failed, the IC`s will have to be changed,possibly a couple of precision support resistors as well and the set will then need to be re-converged, More questions? feel free to ask away, Happy Holidays, BMW Rider

Dec 10, 2007 | Toshiba TZ55V61 55" Rear Projection...

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