Question about Toshiba TZ50V51 50" Rear Projection Television

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The lower left corner of the picture has a red out of line convergence. It will not adjust. what can I do?

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The tv have convergence problems is dead.The tv convergence board require 2 STK convergence ICS and some or all it resistors changing.To solved the convergence problems.The shop will cost u $300-350 for parts and labors.

Posted on Jul 14, 2010

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Posted on Jan 02, 2017

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When i try to adjust the convergence, the red and blue adjust ok, i assume the green in the basline color, but it turns up on the right side of the screen and the picture has a green wave in the lower left...


The tv 100% have convergence problems,it dead,if have any colors lines mis alignment or don't stay in the convergence - + grid.The tv convergence board is dead.The 2 STK convergence ICS and some or all is resitors are dead.Must replaced these parts on the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Dec 11, 2010 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Convergence


did u do a repair in recent days
by replacing the convergence ICs?

Jun 18, 2008 | Toshiba 43A10 43" Rear Projection...

2 Answers

Suddenly a curved line appeared in the upper left and lower right corner ....and words like "muting" and lower right words are doubled with a red virtual image....the main picture in the center is pretty...


Convergence problem---set uses two of the STK-392-560 convergence chips.

Both will have to be replaced and set adjusted with remote.

Total parts cost on EBAY under 25 dollars.


I can tell you what is involved.

see attached photo of typical convergence problem and typical convergence chip.

If this told you something you did not know, rate this solution as very helpful as I do this here for free.

SD TECH


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Sep 03, 2010 | Sony KP-51WS500 51" Rear Projection...

1 Answer

I have a double picture and the red apears to be


This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

Dec 07, 2009 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Yellow arch on bottom left of screen


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

Sep 30, 2009 | Toshiba 43H70 43" Rear Projection...

1 Answer

TOSHIBA 50H72 50IN. REAR PROJECTION TV BLUE COVERGANCE PROBLEM


you have a convergence ampliphier ic failing that will need to be changed and then adjusted
average repair cost for this are 280.00 to 320.00

Jan 20, 2009 | Toshiba 50H72 50" Rear Projection...

1 Answer

Convergence issue


try fixing the convergence 2 after your've aligned the convergence 1 - the second (accessed via the set up control) let's you adjust on 9 different axis to align the red and blue tubes to the green. you select which + sign you want to adust by pressing the corresponding number for the + ie 1 for the top left, and 9 for the lower right corner.

good luck (note - you cant change the green only the red and blue, if the whole edge is a mess try moving the image (you need to be in zoom mode, and then access the position adjustment via the pitcure set up screen.

Nov 05, 2008 | Panasonic PT-47WX49 47" Rear Projection...

2 Answers

Convergence problem, lower left corner fixed green gun convergence bows upward


You have a componet out of tolerance in the green drive circuits, resistor or capacitor. If you have the service manual you should be able to take some raedings off the test points for the circuit and be able to track it down. I am enclosing a link where you can purchase the service manual for that set for 10.99. They will mail it to you unless you go back to the site and request that they email it to you by clicking on the contact us link. They also offer unlimited free support if you purchase your manual. I am one of their support techs. Hope this helps. Heres the link
http://servicemanuals.vstore.ca/

Dec 27, 2006 | Pioneer PRO-119 60" Rear Projection...

2 Answers

Annoying diagnol lines in background


Sorry to tell you gus, if you paid 500 bucks for convergence IC's you got #### and didnt get kissed. A repair like this should not go much over 250 to 300 bucks.

Sep 29, 2006 | Samsung HCM4216W 42" Rear Projection...

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