Question about Toshiba 50HDX82 50" Rear Projection Television

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CONVERGENCE RED GUN

THE RED WILL NOT CONVERGE HORZ. IT WILL VERT. DOSEN`T MOVE AT ALL HORZ. CURVED LIKE A RAINBOW AT TOP AND A UP SIDE DOWN AT BOTT. GREEN AND BLUE ARE FINE . LOOKS LIKE R7711 IS BURNT ALL COLORS ARE THERE ,JUST WON`T CONVERGE ?

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Check these sites , you would have a better conclussion, better check with a local professional, so that he would fix your problem,its only a minor fault..

http://myweb.accessus.net/~090/how2adj.html

http://www.anatekcorp.com/faq/archprotv.htm

Posted on Dec 10, 2007

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1 Answer

My 52 inch tv has rainbows on the top and bott of the screen


Replace your convergence ICs STK392-110s use 180s CK all Low ohm resistors RK42,46,48,50,52,56,
Mats Electronics has STKs 1-800-628-1118

Mar 22, 2010 | Hitachi 51F59 51" HDTV Projection...

1 Answer

Red vert lines will not convergenge(sides) blue and green o.k.


your convergence output amps are done...
you have to do repair on the convergence output circuit, and inspect
the power supply for any damages.

Jan 21, 2010 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Samsung SP47W3HFX tv blue flickering curved line..


If the lines are slightly curved and stationary on about 2/3 of the screen its either the Blue CRT or the Blue CRT drive board which is having the problem.

Dec 19, 2009 | Televison & Video

1 Answer

50H82 red wavy convergence (stks didn't fix)


If the tin can module you are referring to is the hyper module, it is common to replace all 11 caps because the factory caps ****. Check for bridged solder connections at STK's search the forum at electromaniacs for 50h81 :)

Sep 15, 2009 | Toshiba 57H82 57" Rear Projection...

1 Answer

Sometimes I get a rainbow on the bottom of the screen.


Your TV most likely has 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.

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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.

Jun 18, 2009 | Philips 60PP9202 60" Rear Projection...

1 Answer

I have what I believe is a convergence problem. The red line curves down at the sides on the adjustment screen and when I am viewing TV the picture has a red ghost curving up at the sides of the picture....


Hi, this is a convergence chip failure and it can only be corrected by replacing the entire convergence board in this unit. This Board regulates and collaborates the RGB streams. if there is an apparent malfunction, it will become impossible to correct the issues you are experiencing at this time.

Simply replacing the convergence board or chip set will fix this issue.

May 16, 2009 | Zenith A50M91W 50" Rear Projection...

1 Answer

Curved in at top and bottom and rainbow colors on bottom


REPLACE ALL STK?????? CONVERGENCE AMP IC'S & CHECK RESISTORS FOR THAT CIRCIUT

Apr 12, 2009 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

Toshiba 43A9UE convergence problem


Check the resistors right next to the Convergence ICs often 1 or 2 of them go oen when the ICs fail.

Feb 09, 2008 | Televison & Video

1 Answer

Jvc av56pw74 blue shadow


You are going to need a full convergance alignment to rectify this issue.

Aug 09, 2007 | JVC AV-27720 27" TV

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