Question about Toshiba 50H71 50" Rear Projection Television

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ICS Convergence I just changed the both convergence ICS (STK392-110) but the picture is worse then it was before. All pictures are showing as double or triple. Looking at convergence the blue green and red are all seperated and can not be set.

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Did you also check to make sure both pico fuse are good ?

Posted on Dec 23, 2008

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Showing irregular colors are red green and yellow and doubles


Tv have a problems known as a picture convergence problems,it is dead.Tv have colors R,G,B lines are mis alignments in pictures,have colors shadows pictures or 3D picture look alike?Yes,than the tv convergence board it dead,tv must require replacement on the tv convergence board like 2 STK conconvergence ICS and some or all of it resistors too,to fixed the tv convergence board to solved tv convergence pictures problems.The tvs shops will cost u like $300-$350 for parts and labors.

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Focus Error I am getting double picture and the colors are off. When trying to auto focus the blue lines are wavy.


Replace Convergence ICs ,Big black ICs will have PN# on them example STK 392-110
Mats has ICs 1-800-628-1118

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1 Answer

My rear projection television is showing a double picture with the blue out of allignment. It also shows a bow on the top and a bow on the bottom.


The tv have a problems known as a convergence problems,tv convergence board it is dead.Tv have R,G,B colors lines mis alignments,have colors pictures shadows or 3D pictures look alike?Yes.The tv convergence board it is dead.Must require replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv picture convergence problems.The tv shop,will cost u like $300-350 for parts and labors.

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1 Answer

My TV shows doubles of everything as the picture gets close to the four corners. The picture in the center is great, just gets worse and doubled at the edges. Any ideas what this could be?


That sounds like the classic convergence failure. Replaceing the two ICs and 12 resistors should solve the problem. The DPTV305 - DPTV345 convergence repair kit from www.tvrepairworld.com is the correct kit for your model which includes both ICs the 12 resistors and the CD with repair instructions.

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Projecting double images


When convergence output ICs got failed, tv shows double image or 3D like picture. Replace convergence output ICs in tv to fix the issue. Local tv repair shop will replace it for you.

Jul 07, 2010 | JVC AV-56WP74 56" Rear Projection...

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I have a 47" panisonic rear projection tv. the tv is blurry double vision. The red has shifted to the right. The left side of the screen had less double but as you scane to the right it gets worse


It sounds that TV got convergence out IC failure, please replace convergence out ICs (two in this TV) for correct picture.
Required ICs are available in Part Store.
Thanks.

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2 Answers

EVERYTHING IN WRITING IS DOUBLE AND THE PICTURE IS DISTORTED


Hello Tim this is a very common problem with the projection tv set, the problem is coming from the convergence board with faulty ICs that have to replaced in order for your tv set picture to work properly,they do sell convergence repair kits for your tv set but i would not recommend this the reason being is that if you make a mistake while changing out a component your whole tv set is gone not going to work anymore so for this i would recommend for you to call a near by tv repair shop and have a tech come out and change this ICs for you, after you change this ICs from the convergence board your tv set should go back to working normal on the link below you can check out how a convergence board looks like thank you hope this helps.

http://bestbuy.partsearch.com/content/pages/tv-convergence-boards.html

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1 Answer

Model# AV48WP30 Picture show double vision. Colors cant be adjus


you need to replace the convergence ICs and associated resistors you can get the repair kit at the following link for your model which contains the two ICs and all the feed resistors plus step by step instructions with detailed photos how to do the repair. Heres the link to the kit for your model.
http://servicemanuals.vstore.ca/product_info.php/pName/av48wp30-convergence-repair-kit/cName/convergence-repair-kits

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1 Answer

My tv is showing a double picture in red


You have convergence problem in your tv . You need to replace convergence IC . YOu can get from the link below .

Convergence ICs

You need to replace both convergence ICs .It will cost you around $30 .
The IC number is STK392-110 .

Hope this helps .

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2 Answers

Picture


Sounds like convergence ICs. Can you move the convergence adjustments in all four directions with the blue and red? If not its the convergence amp ICs both will need to be replaced.

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